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/agentpmt-com:agentpmt-com-agents-json-api"

All apis

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

Discovery needs no key. Ratings and market analysis are Pro.

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: Fast Agents.json API
  version: 0.1.0
tags:
- name: Agents.json
paths:
  /agents.json:
    get:
      summary: Agent discovery manifest (compatibility alias)
      operationId: _well_known_agent_alias_agents_json_get
      responses:
        '200':
          description: AgentPMT agent discovery manifest. All aliases return the same shape.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AgentDiscoveryManifest'
      tags:
      - Agents.json
components:
  schemas:
    AgentDiscoveryInstructionUrls:
      properties:
        canonical:
          anyOf:
          - type: string
          - type: 'null'
          title: Canonical
          description: Canonical agent instructions document (agent-md).
        docs:
          anyOf:
          - type: string
          - type: 'null'
          title: Docs
          description: Human-readable docs entry point.
        llms_txt:
          anyOf:
          - type: string
          - type: 'null'
          title: Llms Txt
          description: llms.txt summary.
        llms_full_txt:
          anyOf:
          - type: string
          - type: 'null'
          title: Llms Full Txt
          description: Full llms-full.txt summary.
        announcements:
          anyOf:
          - type: string
          - type: 'null'
          title: Announcements
          description: Machine-readable announcements feed.
        agent_home:
          anyOf:
          - type: string
          - type: 'null'
          title: Agent Home
          description: Agent-oriented landing page.
      additionalProperties: true
      type: object
      title: AgentDiscoveryInstructionUrls
    AgentDiscoveryManifest:
      properties:
        schema_version:
          type: string
          title: Schema Version
          description: Manifest schema version.
        generated_at:
          type: string
          title: Generated At
          description: ISO-8601 timestamp when the manifest was generated.
        platform:
          type: string
          title: Platform
          description: Platform name (for example `AgentPMT`).
        preferred_interface:
          type: string
          title: Preferred Interface
          description: Preferred integration surface for autonomous agents.
        payment_flow:
          type: string
          title: Payment Flow
          description: Payment flow clients should use.
        instruction_urls:
          $ref: '#/components/schemas/AgentDiscoveryInstructionUrls'
        discovery_aliases:
          items:
            type: string
          type: array
          title: Discovery Aliases
          description: Alternate well-known URLs that return an equivalent manifest.
        external_agent_api:
          additionalProperties: true
          type: object
          title: External Agent Api
          description: Profile of the external-agent-api surface (tool catalog, invoke, session URLs).
        mcp:
          $ref: '#/components/schemas/AgentDiscoveryMcpSection'
      additionalProperties: true
      type: object
      required:
      - schema_version
      - generated_at
      - platform
      - preferred_interface
      - payment_flow
      - instruction_urls
      - discovery_aliases
      - external_agent_api
      - mcp
      title: AgentDiscoveryManifest
      description: Agent discovery manifest returned from `/.well-known/agent.json`.
    AgentDiscoveryMcpSection:
      properties:
        endpoint:
          anyOf:
          - type: string
          - type: 'null'
          title: Endpoint
          description: MCP endpoint URL.
        oauth_protected_resource_metadata:
          anyOf:
          - type: string
          - type: 'null'
          title: Oauth Protected Resource Metadata
        oauth_authorization_server_metadata:
          anyOf:
          - type: string
          - type: 'null'
          title: Oauth Authorization Server Metadata
        openid_configuration:
          anyOf:
          - type: string
          - type: 'null'
          title: Openid Configuration
        note:
          anyOf:
          - type: string
          - type: 'null'
          title: Note
          description: Guidance for autonomous clients (typically points at the x402 flow).
      additionalProperties: true
      type: object
      title: AgentDiscoveryMcpSection
  securitySchemes:
    HTTPBasic:
      type: http
      scheme: basic