OpenMeter Grants API

Usage grants that top up metered entitlement balances.

Documentation GitHub OpenAPI

Operations 4

GET /api/v1/subjects/{subjectIdOrKey}/entitlements/{entitlementIdOrFeatureKey}/grants List subject entitlement grants #

POST /api/v1/subjects/{subjectIdOrKey}/entitlements/{entitlementIdOrFeatureKey}/grants Create a grant on an entitlement #

GET /api/v1/grants List grants #

DELETE /api/v1/grants/{grantId} Void grant #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: OpenMeter Grants 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: Grants
  description: Usage grants that top up metered entitlement balances.
paths:
  /api/v1/subjects/{subjectIdOrKey}/entitlements/{entitlementIdOrFeatureKey}/grants:
    parameters:
    - name: subjectIdOrKey
      in: path
      required: true
      schema:
        type: string
    - name: entitlementIdOrFeatureKey
      in: path
      required: true
      schema:
        type: string
    get:
      operationId: listEntitlementGrants
      tags:
      - Grants
      summary: List subject entitlement grants
      responses:
        '200':
          description: Grants for the entitlement.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Grant'
    post:
      operationId: createGrant
      tags:
      - Grants
      summary: Create a grant on an entitlement
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Grant'
      responses:
        '201':
          description: Grant created.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Grant'
  /api/v1/grants:
    get:
      operationId: listGrants
      tags:
      - Grants
      summary: List grants
      responses:
        '200':
          description: List of grants.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Grant'
  /api/v1/grants/{grantId}:
    delete:
      operationId: voidGrant
      tags:
      - Grants
      summary: Void grant
      parameters:
      - name: grantId
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Grant voided.
components:
  schemas:
    Grant:
      type: object
      required:
      - amount
      properties:
        id:
          type: string
        amount:
          type: number
          description: Amount of usage to grant to the entitlement balance.
        priority:
          type: integer
          description: Lower priority grants are burned down first.
          default: 1
        effectiveAt:
          type: string
          format: date-time
        expiration:
          type: object
          properties:
            duration:
              type: string
              enum:
              - HOUR
              - DAY
              - WEEK
              - MONTH
              - YEAR
            count:
              type: integer
        recurrence:
          type: object
          properties:
            interval:
              type: string
              enum:
              - DAY
              - WEEK
              - MONTH
              - YEAR
            anchor:
              type: string
              format: date-time
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: OpenMeter Cloud API token supplied as a Bearer token.