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/feason-com:feason-com-well-known-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: Feason Context REST .well Known API
  version: 1.4.0
  description: Source-grounded theological research plus public Signed Proof V2 publishing, verification, key discovery, and transparency receipts.
servers:
- url: https://www.feason.com
security:
- bearerAuth: []
tags:
- name: .well Known
paths:
  /.well-known/feason-proof-keys.json:
    get:
      operationId: getFeasonProofSigningKeys
      summary: Get active and retained Feason Proof Ed25519 public keys
      security: []
      responses:
        '200':
          description: Feason Proof issuer trust registry.
          content:
            application/json:
              schema:
                type: object
                required:
                - issuer
                - purpose
                - keys
                properties:
                  issuer:
                    const: https://www.feason.com
                  purpose:
                    type: string
                  keys:
                    type: array
                    items:
                      $ref: '#/components/schemas/ProofSigningKey'
        '503':
          description: Key registry is misconfigured.
      tags:
      - .well Known
components:
  schemas:
    ProofPublicKeyJwk:
      type: object
      required:
      - kty
      - crv
      - x
      properties:
        kty:
          const: OKP
        crv:
          const: Ed25519
        x:
          type: string
          pattern: ^[a-zA-Z0-9_-]+$
    ProofSigningKey:
      type: object
      required:
      - keyId
      - algorithm
      - status
      - publicKeyJwk
      properties:
        keyId:
          type: string
        algorithm:
          const: Ed25519
        status:
          enum:
          - active
          - retired
        publicKeyJwk:
          $ref: '#/components/schemas/ProofPublicKeyJwk'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: OAuth access token or Feason MCP key
      description: Credential must include the context:read scope.