OpenMeter

OpenMeter Billing API

Billing profiles, invoices, and customer overrides.

Documentation GitHub OpenAPI

Business capability

Invoicing & Statement Management BC-4250.30

Operations 2

GET /api/v1/billing/invoices List invoices #

GET /api/v1/billing/profiles List billing profiles #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: OpenMeter Billing API
  description: OpenMeter is open-source usage metering and billing for AI and API products.
  termsOfService: https://openmeter.io/terms
  contact:
    name: OpenMeter Support
    url: https://openmeter.io
    email: support@openmeter.io
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  version: 1.0.0
servers:
- url: https://openmeter.cloud
  description: OpenMeter Cloud
- url: http://localhost:8888
  description: Self-hosted (open source, default)
security:
- BearerAuth: []
tags:
- name: Billing
  description: Billing profiles, invoices, and customer overrides.
paths:
  /api/v1/billing/invoices:
    get:
      operationId: listInvoices
      tags:
      - Billing
      summary: List invoices
      responses:
        '200':
          description: List of invoices.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Invoice'
  /api/v1/billing/profiles:
    get:
      operationId: listBillingProfiles
      tags:
      - Billing
      summary: List billing profiles
      responses:
        '200':
          description: List of billing profiles.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/BillingProfile'
components:
  schemas:
    Customer:
      type: object
      required:
      - name
      properties:
        id:
          type: string
        key:
          type: string
        name:
          type: string
        currency:
          type: string
          example: USD
        usageAttribution:
          type: object
          properties:
            subjectKeys:
              type: array
              items:
                type: string
    BillingProfile:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        default:
          type: boolean
        supplier:
          type: object
          additionalProperties: true
        workflow:
          type: object
          additionalProperties: true
    Invoice:
      type: object
      properties:
        id:
          type: string
        number:
          type: string
        customer:
          $ref: '#/components/schemas/Customer'
        status:
          type: string
          enum:
          - draft
          - issued
          - paid
          - void
        currency:
          type: string
        total:
          type: string
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: OpenMeter Cloud API token supplied as a Bearer token.