find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/citedindex-com:citedindex-com-mcp-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: CitedIndex — machine MCP API
  version: 1.0.0
  description: 'The neutral index of AI-visibility and GEO tools: which ones track whether ChatGPT, Perplexity, Gemini and AI Overviews cite your brand. Researched and compared. Free, keyless read endpoints over the tools corpus, plus verified-session submission intake. CitedIndex Data Terms (https://citedindex.com/terms): Search engines and AI assistants may read CitedIndex and quote it in their answers, and AI models may be trained on it. Credit CitedIndex and link to https://citedindex.com when you quote it.'
  license:
    name: CitedIndex Data Terms
    url: https://citedindex.com/terms
servers:
- url: https://citedindex.com
tags:
- name: MCP
paths:
  /mcp:
    post:
      operationId: mcp
      summary: The MCP door — stateless JSON-RPC 2.0 POST (initialize / tools/list /…
      description: 'Read tools need no authentication. submit_listing requires a verified account session cookie, or an agent key (Authorization: Bearer) the account made at https://citedindex.com/dashboard/agents, on this request; sign in or explicitly create an account at https://citedindex.com/login?next=%2Fsubmit. Its JSON-RPC text content reports the submission httpStatus (401 with loginUrl, 403 with email/remediation, or 201/200 on success).'
      security:
      - {}
      - sessionCookie: []
      - agentKey: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: JSON-RPC response.
          content:
            application/json:
              schema:
                type: object
      tags:
      - MCP
components:
  securitySchemes:
    agentKey:
      type: http
      scheme: bearer
      description: An agent key the account made at https://citedindex.com/dashboard/agents (it starts with mak_). It acts as that account on submit, the claim and domain-proof steps, quotes, orders and reading its own listings, each by the scope the key was given, with the same refusals as its session; it cannot sign in, change the account or pay.
    sessionCookie:
      type: apiKey
      in: cookie
      name: __Secure-better-auth.session_token
      description: Existing Better Auth session cookie issued through https://citedindex.com/login?next=%2Fsubmit. The account email must be verified for submission. This is a session cookie, not an API key to provision.