openapi: 3.1.0
info:
  title: UtilityAPI
  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
externalDocs:
  description: UtilityAPI Documentation
  url: https://utilityapi.com/docs
servers:
  - url: https://utilityapi.com/api/v2
    description: UtilityAPI Production Server
tags:
  - name: Templates
    description: Authorization form templates for formatting customer authorization forms
  - name: Forms
    description: Customer-facing authorization forms management
  - name: Authorizations
    description: Submitted authorizations from utility customers
  - name: Meters
    description: Utility services and meter data for authorized customers
  - name: Bills
    description: Utility billing information
  - name: Intervals
    description: Meter usage intervals
  - name: Files
    description: Raw or formatted data files linked to other objects
  - name: Events
    description: Webhook events and notifications
  - name: Accounting
    description: Customer billing accounts and billing summaries
security:
  - bearerAuth: []
paths:
  /templates:
    get:
      operationId: listTemplates
      summary: List Templates
      description: List all authorization form templates for the authenticated account.
      tags:
        - Templates
      parameters:
        - name: limit
          in: query
          description: Maximum number of templates to return
          required: false
          schema:
            type: integer
            default: 100
        - name: next
          in: query
          description: Cursor for pagination
          required: false
          schema:
            type: string
      responses:
        '200':
          description: List of templates
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TemplateList'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /templates/{uid}:
    get:
      operationId: getTemplate
      summary: Get Template
      description: Retrieve a specific authorization form template by UID.
      tags:
        - Templates
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '200':
          description: Template details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Template'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /forms:
    get:
      operationId: listForms
      summary: List Forms
      description: List all authorization forms for the authenticated account.
      tags:
        - Forms
      parameters:
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            default: 100
        - name: next
          in: query
          required: false
          schema:
            type: string
      responses:
        '200':
          description: List of forms
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FormList'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createForm
      summary: Create Form
      description: Create a new authorization form for collecting customer utility data permissions.
      tags:
        - Forms
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FormCreate'
      responses:
        '201':
          description: Form created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Form'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /forms/{uid}:
    get:
      operationId: getForm
      summary: Get Form
      description: Retrieve a specific authorization form by UID.
      tags:
        - Forms
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '200':
          description: Form details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Form'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: modifyForm
      summary: Modify Form
      description: Update an existing authorization form.
      tags:
        - Forms
      parameters:
        - $ref: '#/components/parameters/uid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FormUpdate'
      responses:
        '200':
          description: Updated form
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Form'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteForm
      summary: Delete Form
      description: Delete an authorization form.
      tags:
        - Forms
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '204':
          description: Form deleted
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /authorizations:
    get:
      operationId: listAuthorizations
      summary: List Authorizations
      description: List all submitted authorizations for the authenticated account.
      tags:
        - Authorizations
      parameters:
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            default: 100
        - name: next
          in: query
          required: false
          schema:
            type: string
        - name: status
          in: query
          required: false
          schema:
            type: string
            enum:
              - pending
              - active
              - revoked
      responses:
        '200':
          description: List of authorizations
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AuthorizationList'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /authorizations/{uid}:
    get:
      operationId: getAuthorization
      summary: Get Authorization
      description: Retrieve a specific authorization by UID.
      tags:
        - Authorizations
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '200':
          description: Authorization details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Authorization'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: modifyAuthorization
      summary: Modify Authorization
      description: Update metadata on an existing authorization.
      tags:
        - Authorizations
      parameters:
        - $ref: '#/components/parameters/uid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AuthorizationUpdate'
      responses:
        '200':
          description: Updated authorization
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Authorization'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteAuthorization
      summary: Delete Authorization
      description: Delete an authorization and associated data.
      tags:
        - Authorizations
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '204':
          description: Authorization deleted
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /authorizations/{uid}/revoke:
    post:
      operationId: revokeAuthorization
      summary: Revoke Authorization
      description: Revoke a customer's authorization to access their utility data.
      tags:
        - Authorizations
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '200':
          description: Authorization revoked
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Authorization'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /meters:
    get:
      operationId: listMeters
      summary: List Meters
      description: List all utility meters for authorized customers.
      tags:
        - Meters
      parameters:
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            default: 100
        - name: next
          in: query
          required: false
          schema:
            type: string
        - name: authorization_uid
          in: query
          description: Filter meters by authorization UID
          required: false
          schema:
            type: string
      responses:
        '200':
          description: List of meters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MeterList'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /meters/{uid}:
    get:
      operationId: getMeter
      summary: Get Meter
      description: Retrieve a specific utility meter by UID.
      tags:
        - Meters
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '200':
          description: Meter details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Meter'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: modifyMeter
      summary: Modify Meter
      description: Update metadata on a meter.
      tags:
        - Meters
      parameters:
        - $ref: '#/components/parameters/uid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MeterUpdate'
      responses:
        '200':
          description: Updated meter
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Meter'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /meters/{uid}/collect:
    post:
      operationId: collectMeterData
      summary: Collect Meter Data
      description: Trigger data collection for a utility meter.
      tags:
        - Meters
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '200':
          description: Collection initiated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MeterCollect'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /meters/{uid}/monitor:
    post:
      operationId: monitorMeterData
      summary: Monitor Meter Data
      description: Enable ongoing monitoring for a utility meter to receive automatic data updates.
      tags:
        - Meters
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '200':
          description: Monitoring enabled
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MeterMonitor'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /bills:
    get:
      operationId: listBills
      summary: List Bills
      description: List all utility bills for authorized meters.
      tags:
        - Bills
      parameters:
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            default: 100
        - name: next
          in: query
          required: false
          schema:
            type: string
        - name: meter_uid
          in: query
          description: Filter bills by meter UID
          required: false
          schema:
            type: string
        - name: start
          in: query
          description: Start date filter (ISO 8601)
          required: false
          schema:
            type: string
            format: date
        - name: end
          in: query
          description: End date filter (ISO 8601)
          required: false
          schema:
            type: string
            format: date
      responses:
        '200':
          description: List of bills
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BillList'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /intervals:
    get:
      operationId: listIntervals
      summary: List Intervals
      description: List meter usage intervals for authorized meters.
      tags:
        - Intervals
      parameters:
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            default: 100
        - name: next
          in: query
          required: false
          schema:
            type: string
        - name: meter_uid
          in: query
          description: Filter intervals by meter UID
          required: false
          schema:
            type: string
        - name: start
          in: query
          description: Start datetime filter (ISO 8601)
          required: false
          schema:
            type: string
            format: date-time
        - name: end
          in: query
          description: End datetime filter (ISO 8601)
          required: false
          schema:
            type: string
            format: date-time
      responses:
        '200':
          description: List of intervals
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IntervalList'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /files:
    get:
      operationId: listFiles
      summary: List Files
      description: List data files (raw or formatted) linked to other API objects.
      tags:
        - Files
      parameters:
        - name: limit
          in: query
          required: false
          schema:
            type: integer
        - name: next
          in: query
          required: false
          schema:
            type: string
      responses:
        '200':
          description: List of files
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FileList'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /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'
  /accounting/billing-accounts:
    get:
      operationId: listBillingAccounts
      summary: List Billing Accounts
      description: List all customer billing accounts.
      tags:
        - Accounting
      parameters:
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            default: 100
        - name: next
          in: query
          required: false
          schema:
            type: string
      responses:
        '200':
          description: List of billing accounts
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BillingAccountList'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /accounting/billing-accounts/{uid}:
    get:
      operationId: getBillingAccount
      summary: Get Billing Account
      description: Retrieve a specific billing account by UID.
      tags:
        - Accounting
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '200':
          description: Billing account details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BillingAccount'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /accounting/billing-summaries:
    get:
      operationId: listBillingSummaries
      summary: List Billing Summaries
      description: List billing summaries for customer accounts.
      tags:
        - Accounting
      parameters:
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            default: 100
        - name: next
          in: query
          required: false
          schema:
            type: string
        - name: billing_account_uid
          in: query
          description: Filter by billing account UID
          required: false
          schema:
            type: string
      responses:
        '200':
          description: List of billing summaries
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BillingSummaryList'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /accounting/billing-summaries/{uid}:
    get:
      operationId: getBillingSummary
      summary: Get Billing Summary
      description: Retrieve a specific billing summary by UID.
      tags:
        - Accounting
      parameters:
        - $ref: '#/components/parameters/uid'
      responses:
        '200':
          description: Billing summary details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BillingSummary'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: API token from the UtilityAPI dashboard
  parameters:
    uid:
      name: uid
      in: path
      required: true
      description: Unique identifier of the resource
      schema:
        type: string
  responses:
    Unauthorized:
      description: Missing or invalid authentication token
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    ValidationError:
      description: Validation error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      properties:
        errors:
          type: array
          items:
            type: string
        status:
          type: string
    Template:
      type: object
      properties:
        uid:
          type: string
          description: Unique identifier
        name:
          type: string
          description: Template name
        description:
          type: string
          description: Template description
        fields:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
              type:
                type: string
              required:
                type: boolean
        created:
          type: string
          format: date-time
        modified:
          type: string
          format: date-time
    TemplateList:
      type: object
      properties:
        templates:
          type: array
          items:
            $ref: '#/components/schemas/Template'
        next:
          type: string
          description: Pagination cursor
    Form:
      type: object
      properties:
        uid:
          type: string
        template_uid:
          type: string
        name:
          type: string
        status:
          type: string
          enum:
            - pending
            - active
            - expired
        url:
          type: string
          description: URL for customer to complete the form
        created:
          type: string
          format: date-time
        modified:
          type: string
          format: date-time
    FormCreate:
      type: object
      required:
        - template_uid
      properties:
        template_uid:
          type: string
        name:
          type: string
        metadata:
          type: object
    FormUpdate:
      type: object
      properties:
        name:
          type: string
        metadata:
          type: object
    FormList:
      type: object
      properties:
        forms:
          type: array
          items:
            $ref: '#/components/schemas/Form'
        next:
          type: string
    Authorization:
      type: object
      properties:
        uid:
          type: string
        form_uid:
          type: string
        status:
          type: string
          enum:
            - pending
            - active
            - revoked
        customer_email:
          type: string
        utility:
          type: string
        created:
          type: string
          format: date-time
        modified:
          type: string
          format: date-time
    AuthorizationUpdate:
      type: object
      properties:
        metadata:
          type: object
    AuthorizationList:
      type: object
      properties:
        authorizations:
          type: array
          items:
            $ref: '#/components/schemas/Authorization'
        next:
          type: string
    Meter:
      type: object
      properties:
        uid:
          type: string
        authorization_uid:
          type: string
        utility:
          type: string
        service_address:
          type: string
        meter_number:
          type: string
        service_class:
          type: string
          enum:
            - ELECTRIC
            - GAS
            - WATER
        status:
          type: string
        created:
          type: string
          format: date-time
        modified:
          type: string
          format: date-time
    MeterUpdate:
      type: object
      properties:
        metadata:
          type: object
    MeterList:
      type: object
      properties:
        meters:
          type: array
          items:
            $ref: '#/components/schemas/Meter'
        next:
          type: string
    MeterCollect:
      type: object
      properties:
        uid:
          type: string
        status:
          type: string
        message:
          type: string
    MeterMonitor:
      type: object
      properties:
        uid:
          type: string
        monitoring:
          type: boolean
        message:
          type: string
    Bill:
      type: object
      properties:
        uid:
          type: string
        meter_uid:
          type: string
        statement_date:
          type: string
          format: date
        due_date:
          type: string
          format: date
        total_kwh:
          type: number
        total_amount:
          type: number
        currency:
          type: string
          default: USD
        created:
          type: string
          format: date-time
    BillList:
      type: object
      properties:
        bills:
          type: array
          items:
            $ref: '#/components/schemas/Bill'
        next:
          type: string
    Interval:
      type: object
      properties:
        uid:
          type: string
        meter_uid:
          type: string
        start:
          type: string
          format: date-time
        end:
          type: string
          format: date-time
        kwh:
          type: number
        created:
          type: string
          format: date-time
    IntervalList:
      type: object
      properties:
        intervals:
          type: array
          items:
            $ref: '#/components/schemas/Interval'
        next:
          type: string
    File:
      type: object
      properties:
        uid:
          type: string
        name:
          type: string
        content_type:
          type: string
        size:
          type: integer
        url:
          type: string
        created:
          type: string
          format: date-time
    FileList:
      type: object
      properties:
        files:
          type: array
          items:
            $ref: '#/components/schemas/File'
        next:
          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
    EventUpdate:
      type: object
      properties:
        metadata:
          type: object
    EventList:
      type: object
      properties:
        events:
          type: array
          items:
            $ref: '#/components/schemas/Event'
        next:
          type: string
    BillingAccount:
      type: object
      properties:
        uid:
          type: string
        name:
          type: string
        utility:
          type: string
        account_number:
          type: string
        status:
          type: string
        created:
          type: string
          format: date-time
    BillingAccountList:
      type: object
      properties:
        billing_accounts:
          type: array
          items:
            $ref: '#/components/schemas/BillingAccount'
        next:
          type: string
    BillingSummary:
      type: object
      properties:
        uid:
          type: string
        billing_account_uid:
          type: string
        period_start:
          type: string
          format: date
        period_end:
          type: string
          format: date
        total_amount:
          type: number
        total_kwh:
          type: number
        currency:
          type: string
          default: USD
        created:
          type: string
          format: date-time
    BillingSummaryList:
      type: object
      properties:
        billing_summaries:
          type: array
          items:
            $ref: '#/components/schemas/BillingSummary'
        next:
          type: string