aid: langchain
name: LangChain
description: 'LangChain is a comprehensive ecosystem for building and deploying AI
  agents, consisting of open-source frameworks and an agent engineering platform called
  LangSmith. The company offers two main frameworks: LangChain, which enables rapid
  development with pre-built agent architectures and model integrations, and LangGraph,
  which provides low-level primitives for building custom agent workflows with greater
  control.'
kind: contract
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Consuming
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/langchain.png
tags:
- Agents
- Artificial Intelligence
- Large Language Models
- LLM Observability
- Tracing
- Evaluation
created: '2026-01-02'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/langchain/refs/heads/main/apis.yml
specificationVersion: '0.23'
apis:
- aid: langchain:langchain-access-policies-api
  name: LangChain access_policies API
  description: The access_policies API from LangChain — 3 operation(s) for access_policies.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - access_policies
  properties:
  - type: OpenAPI
    url: openapi/langchain-access-policies-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-ace-api
  name: LangChain ace API
  description: The ace API from LangChain — 1 operation(s) for ace.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - ace
  properties:
  - type: OpenAPI
    url: openapi/langchain-ace-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-alert-rules-api
  name: LangChain alert_rules API
  description: The alert_rules API from LangChain — 3 operation(s) for alert_rules.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - alert_rules
  properties:
  - type: OpenAPI
    url: openapi/langchain-alert-rules-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-annotation-queues-api
  name: LangChain annotation-queues API
  description: The annotation-queues API from LangChain — 17 operation(s) for annotation-queues.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - annotation-queues
  properties:
  - type: OpenAPI
    url: openapi/langchain-annotation-queues-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-api-key-api
  name: LangChain api-key API
  description: The api-key API from LangChain — 4 operation(s) for api-key.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - api-key
  properties:
  - type: OpenAPI
    url: openapi/langchain-api-key-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-audit-logs-api
  name: LangChain audit-logs API
  description: The audit-logs API from LangChain — 1 operation(s) for audit-logs.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - audit-logs
  properties:
  - type: OpenAPI
    url: openapi/langchain-audit-logs-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-auth-api
  name: LangChain auth API
  description: The auth API from LangChain — 7 operation(s) for auth.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - auth
  properties:
  - type: OpenAPI
    url: openapi/langchain-auth-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-aws-marketplace-api
  name: LangChain aws_marketplace API
  description: The aws_marketplace API from LangChain — 1 operation(s) for aws_marketplace.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - aws_marketplace
  properties:
  - type: OpenAPI
    url: openapi/langchain-aws-marketplace-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-backfills-api
  name: LangChain backfills API
  description: The backfills API from LangChain — 1 operation(s) for backfills.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - backfills
  properties:
  - type: OpenAPI
    url: openapi/langchain-backfills-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-beacon-api
  name: LangChain beacon API
  description: The beacon API from LangChain — 1 operation(s) for beacon.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - beacon
  properties:
  - type: OpenAPI
    url: openapi/langchain-beacon-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-bulk-exports-api
  name: LangChain bulk-exports API
  description: The bulk-exports API from LangChain — 7 operation(s) for bulk-exports.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - bulk-exports
  properties:
  - type: OpenAPI
    url: openapi/langchain-bulk-exports-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-charts-api
  name: LangChain charts API
  description: The charts API from LangChain — 13 operation(s) for charts.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - charts
  properties:
  - type: OpenAPI
    url: openapi/langchain-charts-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-comments-api
  name: LangChain comments API
  description: The comments API from LangChain — 3 operation(s) for comments.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - comments
  properties:
  - type: OpenAPI
    url: openapi/langchain-comments-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-commits-api
  name: LangChain commits API
  description: The commits API from LangChain — 2 operation(s) for commits.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - commits
  properties:
  - type: OpenAPI
    url: openapi/langchain-commits-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-data-planes-api
  name: LangChain data_planes API
  description: The data_planes API from LangChain — 1 operation(s) for data_planes.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - data_planes
  properties:
  - type: OpenAPI
    url: openapi/langchain-data-planes-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-datasets-api
  name: LangChain datasets API
  description: The datasets API from LangChain — 28 operation(s) for datasets.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - datasets
  properties:
  - type: OpenAPI
    url: openapi/langchain-datasets-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-evaluators-api
  name: LangChain evaluators API
  description: The evaluators API from LangChain — 2 operation(s) for evaluators.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - evaluators
  properties:
  - type: OpenAPI
    url: openapi/langchain-evaluators-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-examples-api
  name: LangChain examples API
  description: The examples API from LangChain — 9 operation(s) for examples.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - examples
  properties:
  - type: OpenAPI
    url: openapi/langchain-examples-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-experiment-view-overrides-api
  name: LangChain experiment-view-overrides API
  description: >-
    The experiment-view-overrides API from LangChain — 2 operation(s) for experiment-view-overrides.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - experiment-view-overrides
  properties:
  - type: OpenAPI
    url: openapi/langchain-experiment-view-overrides-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-experiments-api
  name: LangChain experiments API
  description: The experiments API from LangChain — 1 operation(s) for experiments.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - experiments
  properties:
  - type: OpenAPI
    url: openapi/langchain-experiments-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-features-api
  name: LangChain features API
  description: The features API from LangChain — 4 operation(s) for features.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - features
  properties:
  - type: OpenAPI
    url: openapi/langchain-features-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-feedback-api
  name: LangChain feedback API
  description: The feedback API from LangChain — 7 operation(s) for feedback.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - feedback
  properties:
  - type: OpenAPI
    url: openapi/langchain-feedback-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-feedback-configs-api
  name: LangChain feedback-configs API
  description: The feedback-configs API from LangChain — 1 operation(s) for feedback-configs.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - feedback-configs
  properties:
  - type: OpenAPI
    url: openapi/langchain-feedback-configs-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-fleet-github-app-api
  name: LangChain fleet github-app API
  description: The fleet github-app API from LangChain — 9 operation(s) for fleet github-app.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet github-app
  properties:
  - type: OpenAPI
    url: openapi/langchain-fleet-github-app-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-fleet-integrations-api
  name: LangChain fleet integrations API
  description: The fleet integrations API from LangChain — 3 operation(s) for fleet integrations.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet integrations
  properties:
  - type: OpenAPI
    url: openapi/langchain-fleet-integrations-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-fleet-mcp-api
  name: LangChain fleet mcp API
  description: The fleet mcp API from LangChain — 4 operation(s) for fleet mcp.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet mcp
  properties:
  - type: OpenAPI
    url: openapi/langchain-fleet-mcp-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-fleet-usage-api
  name: LangChain fleet usage API
  description: The fleet usage API from LangChain — 4 operation(s) for fleet usage.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet usage
  properties:
  - type: OpenAPI
    url: openapi/langchain-fleet-usage-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-fleet-webhooks-api
  name: LangChain fleet_webhooks API
  description: The fleet_webhooks API from LangChain — 1 operation(s) for fleet_webhooks.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet_webhooks
  properties:
  - type: OpenAPI
    url: openapi/langchain-fleet-webhooks-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-hub-environments-api
  name: LangChain hub_environments API
  description: The hub_environments API from LangChain — 2 operation(s) for hub_environments.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - hub_environments
  properties:
  - type: OpenAPI
    url: openapi/langchain-hub-environments-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-info-api
  name: LangChain info API
  description: The info API from LangChain — 2 operation(s) for info.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - info
  properties:
  - type: OpenAPI
    url: openapi/langchain-info-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-integrations-api
  name: LangChain integrations API
  description: The integrations API from LangChain — 1 operation(s) for integrations.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - integrations
  properties:
  - type: OpenAPI
    url: openapi/langchain-integrations-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-likes-api
  name: LangChain likes API
  description: The likes API from LangChain — 1 operation(s) for likes.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - likes
  properties:
  - type: OpenAPI
    url: openapi/langchain-likes-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-mcp-api
  name: LangChain mcp API
  description: The mcp API from LangChain — 2 operation(s) for mcp.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - mcp
  properties:
  - type: OpenAPI
    url: openapi/langchain-mcp-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-mcp-vendors-api
  name: LangChain mcp_vendors API
  description: The mcp_vendors API from LangChain — 6 operation(s) for mcp_vendors.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - mcp_vendors
  properties:
  - type: OpenAPI
    url: openapi/langchain-mcp-vendors-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-me-api
  name: LangChain me API
  description: The me API from LangChain — 4 operation(s) for me.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - me
  properties:
  - type: OpenAPI
    url: openapi/langchain-me-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-metrics-api
  name: LangChain metrics API
  description: The metrics API from LangChain — 1 operation(s) for metrics.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - metrics
  properties:
  - type: OpenAPI
    url: openapi/langchain-metrics-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-model-price-map-api
  name: LangChain model-price-map API
  description: The model-price-map API from LangChain — 2 operation(s) for model-price-map.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - model-price-map
  properties:
  - type: OpenAPI
    url: openapi/langchain-model-price-map-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-nps-api
  name: LangChain nps API
  description: The nps API from LangChain — 1 operation(s) for nps.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - nps
  properties:
  - type: OpenAPI
    url: openapi/langchain-nps-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-oauth-api
  name: LangChain oauth API
  description: The oauth API from LangChain — 7 operation(s) for oauth.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - oauth
  properties:
  - type: OpenAPI
    url: openapi/langchain-oauth-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-ok-api
  name: LangChain Ok API
  description: The Ok API from LangChain — 1 operation(s) for ok.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - Ok
  properties:
  - type: OpenAPI
    url: openapi/langchain-ok-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-optimization-jobs-api
  name: LangChain optimization-jobs API
  description: The optimization-jobs API from LangChain — 4 operation(s) for optimization-jobs.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - optimization-jobs
  properties:
  - type: OpenAPI
    url: openapi/langchain-optimization-jobs-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-organizations-api
  name: LangChain Organizations API
  description: The Organizations API from LangChain — 1 operation(s) for organizations.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - Organizations
  properties:
  - type: OpenAPI
    url: openapi/langchain-organizations-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-orgs-api
  name: LangChain orgs API
  description: The orgs API from LangChain — 39 operation(s) for orgs.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - orgs
  properties:
  - type: OpenAPI
    url: openapi/langchain-orgs-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-ownerships-api
  name: LangChain ownerships API
  description: The ownerships API from LangChain — 1 operation(s) for ownerships.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - ownerships
  properties:
  - type: OpenAPI
    url: openapi/langchain-ownerships-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-playground-settings-api
  name: LangChain playground-settings API
  description: The playground-settings API from LangChain — 2 operation(s) for playground-settings.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - playground-settings
  properties:
  - type: OpenAPI
    url: openapi/langchain-playground-settings-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-prompt-webhooks-api
  name: LangChain prompt-webhooks API
  description: The prompt-webhooks API from LangChain — 3 operation(s) for prompt-webhooks.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - prompt-webhooks
  properties:
  - type: OpenAPI
    url: openapi/langchain-prompt-webhooks-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-prompts-api
  name: LangChain prompts API
  description: The prompts API from LangChain — 2 operation(s) for prompts.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - prompts
  properties:
  - type: OpenAPI
    url: openapi/langchain-prompts-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-public-api
  name: LangChain public API
  description: The public API from LangChain — 20 operation(s) for public.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - public
  properties:
  - type: OpenAPI
    url: openapi/langchain-public-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-repos-api
  name: LangChain repos API
  description: The repos API from LangChain — 5 operation(s) for repos.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - repos
  properties:
  - type: OpenAPI
    url: openapi/langchain-repos-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-run-api
  name: LangChain run API
  description: The run API from LangChain — 19 operation(s) for run.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - run
  properties:
  - type: OpenAPI
    url: openapi/langchain-run-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-runs-api
  name: LangChain runs API
  description: The runs API from LangChain — 7 operation(s) for runs.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - runs
  properties:
  - type: OpenAPI
    url: openapi/langchain-runs-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-sandboxes-api
  name: LangChain sandboxes API
  description: The sandboxes API from LangChain — 11 operation(s) for sandboxes.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - sandboxes
  properties:
  - type: OpenAPI
    url: openapi/langchain-sandboxes-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-sandboxes-internal-api
  name: LangChain sandboxes-internal API
  description: The sandboxes-internal API from LangChain — 1 operation(s) for sandboxes-internal.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - sandboxes-internal
  properties:
  - type: OpenAPI
    url: openapi/langchain-sandboxes-internal-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-scim-tokens-api
  name: LangChain SCIM Tokens API
  description: The SCIM Tokens API from LangChain — 2 operation(s) for scim tokens.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - SCIM Tokens
  properties:
  - type: OpenAPI
    url: openapi/langchain-scim-tokens-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-service-accounts-api
  name: LangChain service-accounts API
  description: The service-accounts API from LangChain — 2 operation(s) for service-accounts.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - service-accounts
  properties:
  - type: OpenAPI
    url: openapi/langchain-service-accounts-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-sessions-api
  name: LangChain sessions API
  description: The sessions API from LangChain — 1 operation(s) for sessions.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - sessions
  properties:
  - type: OpenAPI
    url: openapi/langchain-sessions-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-settings-api
  name: LangChain settings API
  description: The settings API from LangChain — 2 operation(s) for settings.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - settings
  properties:
  - type: OpenAPI
    url: openapi/langchain-settings-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-tag-transitions-api
  name: LangChain tag-transitions API
  description: The tag-transitions API from LangChain — 1 operation(s) for tag-transitions.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - tag-transitions
  properties:
  - type: OpenAPI
    url: openapi/langchain-tag-transitions-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-tags-api
  name: LangChain tags API
  description: The tags API from LangChain — 2 operation(s) for tags.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - tags
  properties:
  - type: OpenAPI
    url: openapi/langchain-tags-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-tenant-api
  name: LangChain tenant API
  description: The tenant API from LangChain — 1 operation(s) for tenant.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - tenant
  properties:
  - type: OpenAPI
    url: openapi/langchain-tenant-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-threads-api
  name: LangChain threads API
  description: The threads API from LangChain — 2 operation(s) for threads.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - threads
  properties:
  - type: OpenAPI
    url: openapi/langchain-threads-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-tools-api
  name: LangChain tools API
  description: The tools API from LangChain — 3 operation(s) for tools.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - tools
  properties:
  - type: OpenAPI
    url: openapi/langchain-tools-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-tracer-sessions-api
  name: LangChain tracer-sessions API
  description: The tracer-sessions API from LangChain — 14 operation(s) for tracer-sessions.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - tracer-sessions
  properties:
  - type: OpenAPI
    url: openapi/langchain-tracer-sessions-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-ttl-settings-api
  name: LangChain TTL Settings API
  description: The TTL Settings API from LangChain — 2 operation(s) for ttl settings.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - TTL Settings
  properties:
  - type: OpenAPI
    url: openapi/langchain-ttl-settings-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-usage-limits-api
  name: LangChain usage-limits API
  description: The usage-limits API from LangChain — 3 operation(s) for usage-limits.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - usage-limits
  properties:
  - type: OpenAPI
    url: openapi/langchain-usage-limits-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
- aid: langchain:langchain-workspaces-api
  name: LangChain workspaces API
  description: The workspaces API from LangChain — 25 operation(s) for workspaces.
  humanURL: https://docs.langchain.com/langsmith
  baseURL: https://api.smith.langchain.com
  tags:
  - workspaces
  properties:
  - type: OpenAPI
    url: openapi/langchain-workspaces-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: Signup
    url: https://smith.langchain.com/
  - type: Authentication
    url: https://docs.langchain.com/langsmith/create-account-api-key
  - type: GraphQL
    url: graphql/langchain-graphql.md
common:
- type: AgenticAccess
  url: agentic-access/langchain-agentic-access.yml
- type: DomainSecurity
  url: security/langchain-domain-security.yml
- type: Authentication
  url: authentication/langchain-authentication.yml
- name: Agent Skills
  url: https://www.langchain.com/blog/interpreter-skills
  type: AgentSkills
- type: LinkedIn
  url: https://www.linkedin.com/company/langchain
- name: LangChain
  url: https://www.langchain.com/
  type: Website
- name: LangChain Blog
  url: https://blog.langchain.com/
  type: Blog
- name: Case Studies
  url: https://blog.langchain.com/tag/case-studies/
  type: CaseStudies
- name: Documentation
  url: https://docs.langchain.com/
  type: Documentation
- name: Resources
  url: https://www.langchain.com/resources
  type: Guide
- name: Changelog
  url: https://changelog.langchain.com/
  type: ChangeLog
- name: Pricing
  url: https://www.langchain.com/pricing
  type: Pricing
- name: Support
  url: https://support.langchain.com
  type: Support
- name: GitHub
  url: https://github.com/langchain-ai
  type: GitHub
- type: Integrations
  url: https://docs.langchain.com/oss/python/integrations/providers/overview
- type: LlmsText
  url: https://docs.langchain.com/llms.txt
integrations:
- name: light
- name: dark
- name: Downloads per month
- name: PyPI - Latest version
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com