Polar

Polar events API

Usage event ingestion for metered billing.

Documentation GitHub OpenAPI

Operations 2

GET /events/ List Events #

POST /events/ingest Ingest Events #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Polar benefits Events API
  description: Polar is an open-source Merchant of Record (MoR) and monetization platform for developers. This document models the core organization-facing REST surface of the Polar API - products and prices, checkouts, customers, subscriptions, orders, benefits and license keys, usage meters and events, and webhooks. All requests are authenticated with a Bearer Organization Access Token. The canonical, machine-generated specification is published by Polar at https://api.polar.sh/openapi.json; this is a curated subset for the API Evangelist catalog.
  termsOfService: https://polar.sh/legal/terms
  contact:
    name: Polar Support
    email: support@polar.sh
    url: https://polar.sh/docs
  license:
    name: Apache-2.0
    url: https://github.com/polarsource/polar/blob/main/LICENSE
  version: 2026-04
servers:
- url: https://api.polar.sh/v1
  description: Production environment
- url: https://sandbox-api.polar.sh/v1
  description: Sandbox environment
security:
- oat: []
tags:
- name: events
  description: Usage event ingestion for metered billing.
paths:
  /events/:
    get:
      operationId: events:list
      tags:
      - events
      summary: List Events
      responses:
        '200':
          description: A paginated list of ingested events.
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
  /events/ingest:
    post:
      operationId: events:ingest
      tags:
      - events
      summary: Ingest Events
      description: Ingest a batch of usage events. Events are later aggregated by meters into billable quantities for usage-based (metered) prices.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EventsIngest'
      responses:
        '200':
          description: The ingestion result.
          content:
            application/json:
              schema:
                type: object
                properties:
                  inserted:
                    type: integer
components:
  schemas:
    EventsIngest:
      type: object
      required:
      - events
      properties:
        events:
          type: array
          items:
            $ref: '#/components/schemas/Event'
    Event:
      type: object
      properties:
        name:
          type: string
        external_customer_id:
          type:
          - string
          - 'null'
        customer_id:
          type:
          - string
          - 'null'
          format: uuid
        timestamp:
          type:
          - string
          - 'null'
          format: date-time
        metadata:
          type: object
          additionalProperties: true
  securitySchemes:
    oat:
      type: http
      scheme: bearer
      description: Organization Access Token used for backend, organization-scoped operations.
    pat:
      type: http
      scheme: bearer
      description: Personal Access Token scoped to a user.
    customer_session:
      type: http
      scheme: bearer
      description: Customer Session token used for customer portal endpoints.