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OpenAPI Specification

openapi: 3.2.0
info:
  title: BITHOT Public Dailies API
  version: 5.0.0
  description: 'Anonymous, read-only API for clients and Agents. No API key is required.


    Picking an endpoint: answer a person''s question inside an AI agent -> read /api/v1/agent, which lists Markdown addresses made for agents. Show recent or today''s items -> /api/v1/items. Show what is trending right now -> /api/v1/hot-topics. Show the daily digest -> /api/v1/dailies/latest; the weekly and monthly reports -> /api/v1/weeklies/latest and /api/v1/monthlies/latest. Keep a complete local copy of the selected set -> /api/v1/selected/snapshot once, then /api/v1/selected/changes forever.


    How often to poll: use each response''s Cache-Control s-maxage as the minimum interval, and always send If-None-Match: an unchanged resource answers 304 with an empty body. On 429 or 503, honour Retry-After. There is no push channel (no SSE, webhooks or streaming): poll on an interval.


    Keep responses small: send Accept-Encoding: gzip or br (curl --compressed). To follow new items, page back only until you reach an id you already have instead of re-reading the whole 7-day window on every poll; to keep every selected item, read /api/v1/selected/snapshot once and then only /api/v1/selected/changes.


    Report dates, weeks and months identify fixed editions, but corrections and withdrawn citations can change their public content. Revalidate retained copies with If-None-Match after Cache-Control expires; do not treat a dated report as immutable.


    Titles and summaries are generated from third-party sources; the original is always linked in links.original.'
  termsOfService: https://bithot.news/terms
servers:
- url: https://bithot.news
tags:
- name: Dailies
paths:
  /api/v1/dailies:
    get:
      operationId: dailies
      summary: List daily-report archive entries
      description: Date index of past daily reports, newest first. Reports are published once a day at 07:00 Asia/Shanghai, so checking this more than a few times a day is wasted work.
      parameters:
      - $ref: '#/components/parameters/ActorUserAgent'
      - $ref: '#/components/parameters/IfNoneMatch'
      - name: limit
        in: query
        schema:
          type: integer
          minimum: 1
          maximum: 180
          default: 30
      responses:
        '200':
          description: OK
          headers:
            ETag:
              schema:
                type: string
            Cache-Control:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DailiesResponse'
        '304':
          description: Not Modified
          headers:
            ETag:
              schema:
                type: string
            Cache-Control:
              schema:
                type: string
        '400':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '403':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '405':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '429':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
            Retry-After:
              description: Minimum number of seconds to wait before retrying.
              schema:
                type: integer
                minimum: 1
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '503':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
            Retry-After:
              description: Minimum number of seconds to wait before retrying.
              schema:
                type: integer
                minimum: 1
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
      tags:
      - Dailies
  /api/v1/dailies/latest:
    get:
      operationId: latestDaily
      summary: Get the latest daily report
      description: The most recent daily report, published once a day at 07:00 Asia/Shanghai. A client that only wants the daily digest should wake up shortly after 07:00 rather than poll around the clock. Agent or tool runtimes that cache a stable URL beyond HTTP cache headers should first request /api/v1/dailies?limit=1 and then fetch /api/v1/dailies/{returned-date}; never guess a date.
      responses:
        '200':
          description: OK
          headers:
            ETag:
              schema:
                type: string
            Cache-Control:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DailyResponse'
        '304':
          description: Not Modified
          headers:
            ETag:
              schema:
                type: string
            Cache-Control:
              schema:
                type: string
        '400':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '403':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '404':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '405':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '429':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
            Retry-After:
              description: Minimum number of seconds to wait before retrying.
              schema:
                type: integer
                minimum: 1
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '503':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
            Retry-After:
              description: Minimum number of seconds to wait before retrying.
              schema:
                type: integer
                minimum: 1
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
      parameters:
      - $ref: '#/components/parameters/ActorUserAgent'
      - $ref: '#/components/parameters/IfNoneMatch'
      tags:
      - Dailies
  /api/v1/dailies/{date}:
    get:
      operationId: dailyByDate
      summary: Get a daily report by Shanghai calendar date
      description: A single past daily report by Asia/Shanghai calendar date (YYYY-MM-DD). Each date identifies a fixed edition, but corrections and withdrawn citations can change its public content. Respect Cache-Control and revalidate with If-None-Match before reusing an expired copy; do not cache a report indefinitely.
      parameters:
      - $ref: '#/components/parameters/ActorUserAgent'
      - $ref: '#/components/parameters/IfNoneMatch'
      - name: date
        in: path
        required: true
        schema:
          type: string
          format: date
      responses:
        '200':
          description: OK
          headers:
            ETag:
              schema:
                type: string
            Cache-Control:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DailyResponse'
        '304':
          description: Not Modified
          headers:
            ETag:
              schema:
                type: string
            Cache-Control:
              schema:
                type: string
        '400':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '403':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '404':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '405':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '429':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
            Retry-After:
              description: Minimum number of seconds to wait before retrying.
              schema:
                type: integer
                minimum: 1
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
        '503':
          description: Machine-readable problem response.
          headers:
            X-Request-Id:
              description: Support correlation identifier for this failed request.
              schema:
                type: string
            Retry-After:
              description: Minimum number of seconds to wait before retrying.
              schema:
                type: integer
                minimum: 1
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
      tags:
      - Dailies
components:
  schemas:
    DailyResponse:
      type: object
      required:
      - schemaVersion
      - report
      properties:
        schemaVersion:
          const: 1
        report:
          $ref: '#/components/schemas/DailyReport'
    DailyReport:
      type: object
      required:
      - date
      - generatedAt
      - windowStart
      - windowEnd
      - links
      - lead
      - sections
      - flashes
      properties:
        date:
          type: string
          format: date
        generatedAt:
          type: string
          format: date-time
        windowStart:
          type: string
          format: date-time
        windowEnd:
          type: string
          format: date-time
        links:
          type: object
          required:
          - aihot
          properties:
            aihot:
              type: string
              format: uri
        attribution:
          $ref: '#/components/schemas/Attribution'
        lead:
          anyOf:
          - type: object
            required:
            - title
            - leadParagraph
            properties:
              title:
                type: string
              leadParagraph:
                type: string
          - type: 'null'
        sections:
          type: array
          items:
            type: object
            required:
            - label
            - items
            properties:
              label:
                type: string
              items:
                type: array
                items:
                  type: object
                  required:
                  - title
                  - summary
                  - source
                  - links
                  properties:
                    title:
                      type: string
                    summary:
                      type: string
                    source:
                      type: object
                      required:
                      - name
                      properties:
                        name:
                          type: string
                    links:
                      $ref: '#/components/schemas/DailyContentLinks'
                    attribution:
                      $ref: '#/components/schemas/Attribution'
        flashes:
          type: array
          items:
            type: object
            required:
            - title
            - source
            - links
            - publishedAt
            properties:
              title:
                type: string
              source:
                type: object
                required:
                - name
                properties:
                  name:
                    type: string
              links:
                $ref: '#/components/schemas/DailyContentLinks'
              publishedAt:
                type: string
                format: date-time
                description: When the original was published; if the original carries no reliable publication date, when it was collected instead.
              attribution:
                $ref: '#/components/schemas/Attribution'
    DailiesResponse:
      type: object
      required:
      - schemaVersion
      - count
      - items
      properties:
        schemaVersion:
          const: 1
        count:
          type: integer
          minimum: 0
        items:
          type: array
          items:
            $ref: '#/components/schemas/DailyEntry'
    Problem:
      type: object
      required:
      - type
      - title
      - status
      - detail
      - code
      - requestId
      properties:
        type:
          type: string
        title:
          type: string
        status:
          type: integer
        detail:
          type: string
        code:
          type: string
        requestId:
          type: string
    Attribution:
      type: object
      description: Machine-readable BITHOT provenance for traceability. Retain it where technically feasible. Attribution alone is not authorization; see the public terms.
      required:
      - name
      - url
      properties:
        name:
          type: string
        url:
          type: string
          format: uri
    DailyEntry:
      type: object
      required:
      - date
      - generatedAt
      - leadTitle
      - leadParagraph
      - links
      properties:
        date:
          type: string
          format: date
        generatedAt:
          type: string
          format: date-time
        leadTitle:
          type:
          - string
          - 'null'
        leadParagraph:
          type:
          - string
          - 'null'
        links:
          type: object
          required:
          - aihot
          properties:
            aihot:
              type: string
              format: uri
        attribution:
          $ref: '#/components/schemas/Attribution'
    DailyContentLinks:
      type: object
      required:
      - aihot
      - original
      properties:
        aihot:
          type:
          - string
          - 'null'
          format: uri
        original:
          type: string
          format: uri
  parameters:
    IfNoneMatch:
      name: If-None-Match
      in: header
      required: false
      description: Previously received ETag for this exact URL. A match returns 304 without a response body.
      schema:
        type: string
    ActorUserAgent:
      name: User-Agent
      in: header
      required: false
      description: The client's normal User-Agent (optional; any value works).
      schema:
        type: string
        maxLength: 2048
      example: my-reader/1.0
externalDocs:
  description: Machine-readable OpenAPI document
  url: https://bithot.news/openapi-v1.json