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OpenAPI Specification

openapi: 3.2.0
info:
  title: Captapi LinkedIn Ad Library API
  version: 0.1.0
  summary: Structured public data from social platforms through one REST API.
  description: 'Captapi returns public data (profiles, posts, comments, transcripts, search, ads, commerce) from social platforms as JSON.


    Auth: send your key as `Authorization: Bearer capt_live_...` or `X-API-Key: capt_live_...`. Keys are created by a human at https://captapi.com/dashboard/api-keys.


    Billing: each operation states its cost in `x-credit-cost`. The `X-Captapi-Credits` response header shows what was charged. Failed requests (4xx/5xx) are not billed. `cache=true` serves from the 24h cache, free on a hit where `billedOnCacheHit` is false. Where the price depends on which path served the call, `x-credit-cost.note` gives the full rule and the range we have observed.


    Empty results: on many list and search endpoints a call that ran but found nothing is charged 0 credits (for example an ad-library or profile search with no matches). Where an empty result is still billed, the endpoint description says so; Google Maps business search, for instance, bills its one page because the lookup ran. The `X-Captapi-Credits` header always shows the actual charge.


    Errors: every non-2xx response uses the same envelope, `{ success: false, error: { code, message, retryable } }`. Retry only when `retryable` is true, honouring `Retry-After`.


    Timing: every response carries `Server-Timing: total;dur=`, the total time the request took. Deprecated: the `timings` object some endpoints still return in `data` will be removed from response bodies on 2026-12-17; use the header instead. It is not part of the response schemas below.


    Response schemas are inferred from real captured responses and list the fields seen there plus documented top-level fields. Fields can be null when a platform does not expose them.


    Endpoint list: https://captapi.com/llms-endpoints.txt · Guide for agents: https://captapi.com/llms.txt · MCP: https://captapi.com/mcp.json'
  contact:
    name: Captapi support
    email: support@captapi.com
    url: https://captapi.com
  termsOfService: https://captapi.com/legal/terms
  license:
    name: Captapi Terms of Service
    url: https://captapi.com/legal/terms
servers:
- url: https://api.captapi.com
security:
- bearerAuth: []
- apiKeyHeader: []
tags:


# --- truncated at 32 KB (38 KB total) ---
# Full source: https://artifacts.apis.io/captapi-com/openapi/captapi-com-linkedin-ad-library-api-openapi.yml