OpenMeter

OpenMeter Subjects API

Subjects that usage is metered against.

Documentation GitHub OpenAPI

Operations 4

GET /api/v1/subjects List subjects #

POST /api/v1/subjects Upsert subjects #

GET /api/v1/subjects/{subjectIdOrKey} Get subject #

DELETE /api/v1/subjects/{subjectIdOrKey} Delete subject #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: OpenMeter Subjects 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: Subjects
  description: Subjects that usage is metered against.
paths:
  /api/v1/subjects:
    get:
      operationId: listSubjects
      tags:
      - Subjects
      summary: List subjects
      responses:
        '200':
          description: List of subjects.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Subject'
    post:
      operationId: upsertSubject
      tags:
      - Subjects
      summary: Upsert subjects
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: array
              items:
                $ref: '#/components/schemas/Subject'
      responses:
        '200':
          description: Subjects upserted.
  /api/v1/subjects/{subjectIdOrKey}:
    parameters:
    - name: subjectIdOrKey
      in: path
      required: true
      schema:
        type: string
    get:
      operationId: getSubject
      tags:
      - Subjects
      summary: Get subject
      responses:
        '200':
          description: A subject.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Subject'
    delete:
      operationId: deleteSubject
      tags:
      - Subjects
      summary: Delete subject
      responses:
        '204':
          description: Subject deleted.
components:
  schemas:
    Subject:
      type: object
      required:
      - key
      properties:
        id:
          type: string
        key:
          type: string
          description: Unique subject key that events reference in their subject field.
          example: customer-1
        displayName:
          type: string
        metadata:
          type: object
          additionalProperties: true
        stripeCustomerId:
          type:
          - string
          - 'null'
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: OpenMeter Cloud API token supplied as a Bearer token.