openapi: 3.1.0
info:
  title: LangSmith access_policies sessions API
  description: 'The LangSmith API is used to programmatically create and manage LangSmith resources.


    ## Host

    https://api.smith.langchain.com


    ## Authentication

    To authenticate with the LangSmith API, set the `X-Api-Key` header

    to a valid [LangSmith API key](https://docs.langchain.com/langsmith/create-account-api-key#create-an-api-key).


    '
  version: 0.1.0
servers:
- url: /
tags:
- name: sessions
paths:
  /v1/platform/sessions/{sessionID}/agent-versions:
    get:
      security:
      - API Key: []
      - Tenant ID: []
      - Bearer Auth: []
      description: Returns all agent versions (commit SHAs) seen in the given tracing project, ordered by first_seen_at descending.
      tags:
      - sessions
      summary: List agent versions for a project
      parameters:
      - description: Tracing project (session) UUID
        name: sessionID
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Agent versions
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/tracer_sessions.AgentVersionResponse'
        '400':
          description: Invalid session ID
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: string
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: string
components:
  schemas:
    tracer_sessions.AgentVersionResponse:
      type: object
      properties:
        commit_sha:
          type: string
        first_seen_at:
          type: string
  securitySchemes:
    API Key:
      type: apiKey
      in: header
      name: X-API-Key
    Tenant ID:
      type: apiKey
      in: header
      name: X-Tenant-Id
    Bearer Auth:
      type: http
      description: Bearer tokens are used to authenticate from the UI. Must also specify x-tenant-id or x-organization-id (for org scoped apis).
      scheme: bearer
    Organization ID:
      type: apiKey
      in: header
      name: X-Organization-Id