openapi: 3.0.1
info:
  title: Hyperline Billable Events API
  description: The Hyperline API follows REST principles and uses JSON-encoded request and response payloads. It powers usage-based billing and subscription management for B2B SaaS - covering customers, products and plans, subscriptions, billable event ingestion, invoices, payments, credit notes, and webhooks. The full machine-readable specification is published by Hyperline at https://api.hyperline.co/openapi.
  termsOfService: https://www.hyperline.co/legal/terms
  contact:
    name: Hyperline Support
    url: https://docs.hyperline.co
  version: '1.0'
servers:
- url: https://api.hyperline.co/v1
  description: Production
- url: https://sandbox.api.hyperline.co/v1
  description: Sandbox
security:
- bearerAuth: []
tags:
- name: Billable Events
paths:
  /billable-events:
    get:
      operationId: listBillableEvents
      tags:
      - Billable Events
      summary: Retrieve billable events
      responses:
        '200':
          description: A list of billable events.
    post:
      operationId: ingestBillableEvents
      tags:
      - Billable Events
      summary: Ingest one or more billable events
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BillableEvent'
      responses:
        '201':
          description: Events ingested.
    delete:
      operationId: deleteBillableEvents
      tags:
      - Billable Events
      summary: Delete billable events
      responses:
        '204':
          description: Events deleted.
  /billable-events/simulate-prices:
    post:
      operationId: simulateBillableEventPrices
      tags:
      - Billable Events
      summary: Simulate prices for billable events
      responses:
        '200':
          description: Simulated pricing result.
components:
  schemas:
    BillableEvent:
      type: object
      properties:
        event_name:
          type: string
        customer_id:
          type: string
        timestamp:
          type: string
          format: date-time
        properties:
          type: object
          additionalProperties: true
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'Authenticate with your Hyperline API key passed as a bearer token in the Authorization header - `Authorization: Bearer <API_KEY>`.'