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OpenAPI Specification

openapi: 3.2.0
info:
  title: Breakreach Next Slot API
  version: 1.1.0
  description: 'Publish and schedule social media posts across Instagram, TikTok, X (Twitter), Reddit, LinkedIn, YouTube, Facebook, Threads, Bluesky, Pinterest, Telegram, Discord, Slack, Mastodon, WordPress, Ghost, Dev.to, Hashnode, Tumblr and Google Business Profile with one request shape.


    Authenticate with an API key (create one in the Breakreach dashboard under Settings → API & MCP) sent as a Bearer token. Errors answer with an HTTP status and a JSON body { "error": "" }.


    Every POST accepts an Idempotency-Key header: any unique string up to 255 characters, a UUID for instance. Retrying with the same key and the same body within 24 hours returns the first response, marked Idempotent-Replayed: true, instead of creating a second post. The same key with a different body answers 422, and 409 while the first request is still running. Errors are not kept, so a fixed request can reuse its key. Keys belong to the API key that sent them.


    AI agents can use the same capabilities through the hosted MCP server at https://api.breakreach.com/mcp (OAuth 2.1).'
servers:
- url: https://api.breakreach.com
security:
- bearerAuth: []
tags:
- name: Next Slot
paths:
  /v1/next-slot:
    get:
      summary: Next free posting slot
      description: Returns the earliest future time slot from the workspace posting schedule that has no post scheduled yet.
      operationId: getNextSlot
      parameters:
      - name: workspace
        in: query
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                required:
                - scheduledAt
                - timezone
                - utc
                properties:
                  scheduledAt:
                    type: string
                    description: Local time in the workspace timezone, to pass as scheduledAt
                  timezone:
                    type: string
                  utc:
                    type: string
                    format: date-time
        '401':
          $ref: '#/components/responses/Unauthorized'
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          description: Workspace not found, no posting schedule configured, or no free slot in the next 14 days
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      tags:
      - Next Slot
components:
  responses:
    PaymentRequired:
      description: No active Breakreach subscription or trial
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Forbidden:
      description: Not a member of the requested workspace
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing, invalid or expired API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      required:
      - error
      properties:
        error:
          type: string
          description: Human-readable reason
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: API key from the Breakreach dashboard (br_...) or an OAuth access token (bro_...)