openapi: 3.1.0
info:
  title: Orb Alerts Plans API
  description: Orb is a usage-based billing and metering platform. The REST API ingests timestamped usage events, models customers, plans, prices, items, and billable metrics, manages subscriptions, and automates invoicing, credit ledgers, coupons, alerts, and webhooks. All endpoints are served over HTTPS at https://api.withorb.com/v1 and authenticated with a Bearer API key.
  termsOfService: https://www.withorb.com/legal/terms-of-service
  contact:
    name: Orb Support
    url: https://www.withorb.com
    email: team@withorb.com
  version: '1.0'
servers:
- url: https://api.withorb.com/v1
  description: Orb production API
security:
- bearerAuth: []
tags:
- name: Plans
paths:
  /plans:
    get:
      operationId: listPlans
      tags:
      - Plans
      summary: List plans
      parameters:
      - $ref: '#/components/parameters/Cursor'
      - $ref: '#/components/parameters/Limit'
      responses:
        '200':
          description: A paginated list of plans.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PlanList'
    post:
      operationId: createPlan
      tags:
      - Plans
      summary: Create plan
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PlanCreate'
      responses:
        '201':
          description: The newly created plan.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Plan'
  /plans/{plan_id}:
    parameters:
    - name: plan_id
      in: path
      required: true
      schema:
        type: string
    get:
      operationId: fetchPlan
      tags:
      - Plans
      summary: Fetch plan
      responses:
        '200':
          description: The requested plan.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Plan'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: updatePlan
      tags:
      - Plans
      summary: Update plan
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                metadata:
                  type: object
                  additionalProperties:
                    type: string
                external_plan_id:
                  type: string
      responses:
        '200':
          description: The updated plan.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Plan'
components:
  parameters:
    Limit:
      name: limit
      in: query
      description: The number of items to return per page (default 20, max 100).
      schema:
        type: integer
        default: 20
        maximum: 100
    Cursor:
      name: cursor
      in: query
      description: An opaque cursor for the next page of results.
      schema:
        type: string
  schemas:
    PaginationMetadata:
      type: object
      properties:
        has_more:
          type: boolean
        next_cursor:
          type: string
          nullable: true
    Plan:
      type: object
      properties:
        id:
          type: string
        external_plan_id:
          type: string
          nullable: true
        name:
          type: string
        description:
          type: string
        status:
          type: string
          enum:
          - active
          - archived
          - draft
        currency:
          type: string
        net_terms:
          type: integer
          nullable: true
        prices:
          type: array
          items:
            $ref: '#/components/schemas/Price'
        created_at:
          type: string
          format: date-time
    Item:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        external_connections:
          type: array
          items:
            type: object
            properties:
              external_connection_name:
                type: string
              external_entity_id:
                type: string
        created_at:
          type: string
          format: date-time
    PlanList:
      type: object
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/Plan'
        pagination_metadata:
          $ref: '#/components/schemas/PaginationMetadata'
    PriceCreate:
      type: object
      required:
      - name
      - item_id
      - cadence
      - currency
      - model_type
      properties:
        name:
          type: string
        item_id:
          type: string
        cadence:
          type: string
          enum:
          - one_time
          - monthly
          - quarterly
          - semi_annual
          - annual
        currency:
          type: string
        model_type:
          type: string
          enum:
          - unit
          - tiered
          - package
          - matrix
          - bulk
        billable_metric_id:
          type: string
        unit_config:
          type: object
          properties:
            unit_amount:
              type: string
        external_price_id:
          type: string
    Price:
      type: object
      properties:
        id:
          type: string
        external_price_id:
          type: string
          nullable: true
        name:
          type: string
        price_type:
          type: string
          enum:
          - usage_price
          - fixed_price
        model_type:
          type: string
          enum:
          - unit
          - tiered
          - package
          - matrix
          - bulk
          - tiered_package
          - grouped_tiered
          - threshold_total_amount
        cadence:
          type: string
          enum:
          - one_time
          - monthly
          - quarterly
          - semi_annual
          - annual
        currency:
          type: string
        item:
          $ref: '#/components/schemas/Item'
        unit_config:
          type: object
          nullable: true
          properties:
            unit_amount:
              type: string
        created_at:
          type: string
          format: date-time
    PlanCreate:
      type: object
      required:
      - name
      - currency
      properties:
        name:
          type: string
        currency:
          type: string
        external_plan_id:
          type: string
        net_terms:
          type: integer
        prices:
          type: array
          items:
            $ref: '#/components/schemas/PriceCreate'
    Error:
      type: object
      properties:
        status:
          type: integer
        type:
          type: string
        title:
          type: string
        detail:
          type: string
  responses:
    NotFound:
      description: The requested resource was not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Authenticate with an Orb API key sent as a Bearer token in the Authorization header: `Authorization: Bearer <ORB_API_KEY>`.'