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OpenAPI Specification

openapi: 3.2.0
info:
  title: Edgepedia Health API
  version: '1'
  description: Read-only JSON access to the Edgepedia encyclopedia articles. Keyless. 600 requests a minute and 100,000 a day per IP address (429 with Retry-After past that). Free with credit under the Edgepedia Community License 1.0; AI training is open to everyone.
  license:
    name: Edgepedia Community License 1.0
    url: https://www.edgechat.ai/edgepedia/license
  contact:
    url: https://www.edgechat.ai/developers
    name: EdgeChat
    email: olivia.jin@biostate.ai
  x-logo:
    url: https://www.edgechat.ai/assets/edgechat-chestnut-orange-logo-v2.png
    altText: EdgeChat
    backgroundColor: '#FFFFFF'
    href: https://www.edgechat.ai/developers
  x-origin:
  - format: openapi
    version: '3.1'
    url: https://www.edgechat.ai/openapi.json
servers:
- url: https://www.edgechat.ai/api/v1
tags:
- name: Health
paths:
  /health:
    get:
      summary: Whether the API can answer
      responses:
        '200':
          description: pass or warn.
          content:
            application/health+json:
              schema:
                $ref: '#/components/schemas/Health'
              examples:
                live:
                  summary: GET https://www.edgechat.ai/api/v1/health
                  description: 'A live answer of 2026-10-07: arrays cut to two items, long text cut with an ellipsis.'
                  value:
                    status: pass
                    version: '1'
                    releaseId: 1.5.1
                    serviceId: edgepedia-api
                    description: Edgepedia API
                    checks:
                      store:manifest:
                      - componentType: datastore
                        status: pass
                        time: '2026-10-07T15:48:52.515Z'
                        observedValue: v20261006-184436
                      search:index:
                      - componentType: component
                        status: pass
                        observedValue: index3
                        time: '2026-10-07T15:48:52.515Z'
                      mcp:server:
                      - componentType: component
                        status: pass
                        observedValue: 'on'
                        time: '2026-10-07T15:48:52.515Z'
                    links:
                      about: https://www.edgechat.ai/developers
                      api: https://www.edgechat.ai/api/v1
          headers:
            RateLimit-Policy:
              $ref: '#/components/headers/RateLimit-Policy'
            ETag:
              $ref: '#/components/headers/ETag'
            Last-Modified:
              $ref: '#/components/headers/Last-Modified'
            Content-Digest:
              $ref: '#/components/headers/Content-Digest'
            Edgepedia-Corpus-Version:
              $ref: '#/components/headers/Edgepedia-Corpus-Version'
        '503':
          description: fail.
          content:
            application/health+json:
              schema:
                $ref: '#/components/schemas/Health'
          headers:
            RateLimit-Policy:
              $ref: '#/components/headers/RateLimit-Policy'
      operationId: getHealth
      parameters:
      - $ref: '#/components/parameters/fields'
      tags:
      - Health
components:
  headers:
    RateLimit-Policy:
      description: 'The limiter''s two windows, per IP address and per server instance (IETF RateLimit header fields): 600 requests a minute and 100,000 a day.'
      schema:
        type: string
        example: '"minute";q=600;w=60, "day";q=100000;w=86400'
    Edgepedia-Corpus-Version:
      description: The corpus release that answered.
      schema:
        type: string
    Content-Digest:
      description: sha-256 of the body (RFC 9530).
      schema:
        type: string
    Last-Modified:
      description: The corpus release date (informational; only the ETag validates).
      schema:
        type: string
    ETag:
      description: A hash of the body; send it back as If-None-Match for a 304.
      schema:
        type: string
  schemas:
    Health:
      type: object
      properties:
        status:
          type: string
          enum:
          - pass
          - warn
          - fail
        version:
          type: string
        releaseId:
          type: string
        serviceId:
          type: string
        description:
          type: string
        checks:
          type: object
        links:
          type: object
  parameters:
    fields:
      name: fields
      in: query
      required: false
      description: 'Comma-separated keys: each result (or the answer, when it has no results) keeps only these.'
      schema:
        type: string