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OpenAPI Specification

openapi: 3.2.0
info:
  title: CoinRebate Fee Optimization Guides Search API
  description: 'Free, open API for querying crypto exchange fee data and compliance-filtered recommendations. No authentication is required. Breaking changes follow the published 90-day deprecation policy: https://www.coinrebate.vip/en/developers#deprecation'
  version: 4.1.0
  contact:
    name: CoinRebate
    url: https://www.coinrebate.vip/en/contact
    email: support@coinrebate.vip
  license:
    name: Free to use
    url: https://www.coinrebate.vip/for-agents
servers:
- url: https://www.coinrebate.vip
  description: Production
tags:
- name: Guides Search
paths:
  /api/v4/guides-search:
    get:
      operationId: searchGuides
      summary: search_guides
      description: Searches CoinRebate's published guides by keyword (any language) and returns matching articles with title, one-line description and URL. Read-only; results are informational articles, not referral links.
      parameters:
      - name: q
        in: query
        required: true
        schema:
          type: string
          minLength: 1
          maxLength: 120
      - name: lang
        in: query
        required: false
        schema:
          type: string
          enum:
          - en
          - cn
          - tc
          - jp
          - kr
          - ru
          - ar
          - pt
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 10
          default: 5
      responses:
        '200':
          description: Searches CoinRebate's published guides by keyword (any language) and returns matching articles with title, one-line description and URL. Read-only; results are informational articles, not referral links.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GuidesSearchResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
      tags:
      - Guides Search
components:
  responses:
    BadRequest:
      description: Invalid request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          examples:
            invalidCountry:
              summary: Unassigned country code
              value:
                error: Invalid country. Expected an assigned ISO 3166-1 alpha-2 code.
                code: invalid_country
                docs: https://www.coinrebate.vip/openapi.json
            invalidPurpose:
              summary: Unsupported trading purpose
              value:
                error: Invalid purpose. Expected 'spot' or 'futures'.
                code: invalid_purpose
                docs: https://www.coinrebate.vip/openapi.json
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    InternalError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    RateLimited:
      description: Rate limit exceeded
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    GuideSearchResult:
      type: object
      additionalProperties: false
      required:
      - slug
      - lang
      - title
      - description
      - url
      - date
      - category
      properties:
        slug:
          type: string
        lang:
          type: string
          enum:
          - en
          - cn
          - tc
          - jp
          - kr
          - ru
          - ar
          - pt
        title:
          type: string
        description:
          type: string
          maxLength: 200
        url:
          type: string
          format: uri
        date:
          type: string
        category:
          type: string
    GuidesSearchResponse:
      type: object
      additionalProperties: false
      required:
      - query
      - results
      - total
      properties:
        query:
          type: string
          minLength: 1
          maxLength: 120
        results:
          type: array
          maxItems: 10
          items:
            $ref: '#/components/schemas/GuideSearchResult'
        total:
          type: integer
          minimum: 0
    Error:
      type: object
      required:
      - error
      - code
      properties:
        error:
          type: string
        code:
          type: string
        docs:
          type: string
          format: uri