aid: linkup-so
url: https://raw.githubusercontent.com/api-evangelist/linkup-so/refs/heads/main/apis.yml
name: Linkup
kind: company
description: Linkup is a production-grade web search and answer API for AI agents and
  LLMs. Its /search endpoint grounds model responses in real-time web context, returning
  ranked results, sourced answers with citations, or structured output, plus /fetch
  for clean LLM-ready markdown, an async /research endpoint, and a credits balance
  endpoint - all authenticated with a Bearer API key.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- AI
- LLM
- Web Search
- Grounding
- RAG
created: '2026-06-20'
modified: '2026-06-20'
specificationVersion: '0.19'
apis:
- aid: linkup-so:linkup-search-api
  name: Linkup Search API
  tags:
  - Web Search
  - Sourced Answer
  - Structured Output
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.linkup.so/pages/documentation/api-reference/endpoint/post-search
  baseURL: https://api.linkup.so/v1
  properties:
  - url: https://docs.linkup.so/pages/documentation/get-started/introduction
    type: Documentation
  - url: https://docs.linkup.so/pages/documentation/api-reference/endpoint/post-search
    type: APIReference
  - url: openapi/linkup-so-openapi.yml
    type: OpenAPI
  description: Grounds AI agents and LLMs in real-time web context. POST /search runs
    a natural-language query at fast, standard, or deep precision and returns ranked
    search results, a sourced answer with inline citations, or schema-driven structured
    output, with date, domain, and image filters.
- aid: linkup-so:linkup-fetch-api
  name: Linkup Fetch API
  tags:
  - Fetch
  - Markdown
  - Content Extraction
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.linkup.so/pages/documentation/api-reference/endpoint/post-fetch
  baseURL: https://api.linkup.so/v1
  properties:
  - url: https://docs.linkup.so/pages/documentation/api-reference/endpoint/post-fetch
    type: APIReference
  - url: openapi/linkup-so-openapi.yml
    type: OpenAPI
  description: POST /fetch retrieves the content of a given URL as clean, LLM-ready
    markdown, with options to render JavaScript, include raw HTML, and extract images.
- aid: linkup-so:linkup-research-api
  name: Linkup Research API
  tags:
  - Research
  - Async
  - Citations
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.linkup.so/pages/documentation/get-started/introduction
  baseURL: https://api.linkup.so/v1
  properties:
  - url: https://docs.linkup.so/pages/documentation/get-started/introduction
    type: Documentation
  - url: openapi/linkup-so-openapi.yml
    type: OpenAPI
  description: Asynchronous deep-research endpoint (beta). POST /research starts an
    autonomous web investigation that returns a task id; poll the task until it reaches
    a terminal state to retrieve a synthesized, cited report.
- aid: linkup-so:linkup-credits-api
  name: Linkup Credits API
  tags:
  - Credits
  - Account
  - Balance
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.linkup.so/pages/documentation/api-reference/endpoint/get-balance
  baseURL: https://api.linkup.so/v1
  properties:
  - url: https://docs.linkup.so/pages/documentation/api-reference/endpoint/get-balance
    type: APIReference
  - url: openapi/linkup-so-openapi.yml
    type: OpenAPI
  description: GET /credits/balance returns the number of credits remaining in your
    account.
common:
- type: GitHubOrganization
  url: https://github.com/LinkupPlatform
- type: LinkedIn
  url: https://www.linkedin.com/company/linkup-platform
- type: Website
  url: https://www.linkup.so
- type: Documentation
  url: https://docs.linkup.so
- type: Plans
  url: plans/linkup-so-plans-pricing.yml
- type: RateLimits
  url: rate-limits/linkup-so-rate-limits.yml
- type: FinOps
  url: finops/linkup-so-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com