openapi: 3.1.0
info:
  title: Utility Accounting Events API
  description: UtilityAPI provides a REST API for collecting, standardizing, and sharing utility data including meters, bills, intervals, authorizations, and webhook events. Supports the Green Button standard for energy data sharing.
  version: '2'
  contact:
    name: UtilityAPI Support
    url: https://utilityapi.com/contact
  termsOfService: https://utilityapi.com/terms
servers:
- url: https://utilityapi.com/api/v2
  description: UtilityAPI Production Server
security:
- bearerAuth: []
tags:
- name: Events
  description: Webhook events and notifications
paths:
  /events:
    get:
      operationId: listEvents
      summary: List Events
      description: List webhook events for the authenticated account.
      tags:
      - Events
      parameters:
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          default: 100
      - name: next
        in: query
        required: false
        schema:
          type: string
      - name: type
        in: query
        description: Filter by event type
        required: false
        schema:
          type: string
      responses:
        '200':
          description: List of events
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EventList'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /events/{uid}:
    get:
      operationId: getEvent
      summary: Get Event
      description: Retrieve a specific webhook event by UID.
      tags:
      - Events
      parameters:
      - $ref: '#/components/parameters/uid'
      responses:
        '200':
          description: Event details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Event'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: modifyEvent
      summary: Modify Event
      description: Update metadata on an event.
      tags:
      - Events
      parameters:
      - $ref: '#/components/parameters/uid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EventUpdate'
      responses:
        '200':
          description: Updated event
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Event'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    EventList:
      type: object
      properties:
        events:
          type: array
          items:
            $ref: '#/components/schemas/Event'
        next:
          type: string
    EventUpdate:
      type: object
      properties:
        metadata:
          type: object
    Error:
      type: object
      properties:
        errors:
          type: array
          items:
            type: string
        status:
          type: string
    Event:
      type: object
      properties:
        uid:
          type: string
        type:
          type: string
          description: Event type (e.g., authorization.submitted, meter.data_updated)
        object_uid:
          type: string
        object_type:
          type: string
        data:
          type: object
        created:
          type: string
          format: date-time
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid authentication token
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    uid:
      name: uid
      in: path
      required: true
      description: Unique identifier of the resource
      schema:
        type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: API token from the UtilityAPI dashboard
externalDocs:
  description: UtilityAPI Documentation
  url: https://utilityapi.com/docs