openapi: 3.1.0
info:
  contact:
    email: support@telnyx.com
  description: Telnyx provides global communications and connectivity APIs for developers — including SIP trunking, programmable voice, SMS, MMS, WhatsApp Business Messaging, Call Control, Fax, Wireless (IoT & eSIM), Phone Numbers (DID provisioning & porting), Emergency Services, and Network APIs for private interconnects and edge connectivity. Build, scale, and manage voice, messaging, and data networks with Telnyx's carrier-grade global infrastructure and API-first platform.
  title: Telnyx Access Tokens Charges Summary API
  version: 2.0.0
  x-endpoint-cost: light
servers:
- description: Version 2.0.0 of the Telnyx API
  url: https://api.telnyx.com/v2
security:
- bearerAuth: []
tags:
- name: Charges Summary
paths:
  /charges_summary:
    get:
      description: Retrieve a summary of monthly charges for a specified date range. The date range cannot exceed 31 days.
      operationId: GetMonthlyChargesSummary
      parameters:
      - description: Start date for the charges summary in ISO date format (YYYY-MM-DD)
        in: query
        name: start_date
        required: true
        schema:
          example: '2025-05-01'
          format: date
          type: string
      - description: End date for the charges summary in ISO date format (YYYY-MM-DD). The date is exclusive, data for the end_date itself is not included in the report. The interval between start_date and end_date cannot exceed 31 days.
        in: query
        name: end_date
        required: true
        schema:
          example: '2025-06-01'
          format: date
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MonthlyChargesSummaryResponse'
          description: Monthly charges summary
        '400':
          $ref: '#/components/responses/charges_BadRequestErrorResponse'
        '422':
          $ref: '#/components/responses/charges_UnprocessableEntityErrorResponse'
        default:
          $ref: '#/components/responses/charges_GenericErrorResponse'
      summary: Get monthly charges summary
      x-latency-category: responsive
      tags:
      - Charges Summary
components:
  schemas:
    ComparativeLine:
      properties:
        alias:
          description: Service alias
          example: local
          type: string
        existing_this_month:
          $ref: '#/components/schemas/MonthDetail'
        name:
          description: Service name
          example: Local DIDs
          type: string
        new_this_month:
          $ref: '#/components/schemas/MonthDetail'
        type:
          enum:
          - comparative
          example: comparative
          type: string
      required:
      - type
      - name
      - alias
      - new_this_month
      - existing_this_month
      type: object
    SummaryAndTotal:
      properties:
        currency:
          description: Currency code
          example: USD
          type: string
        end_date:
          description: End date of the summary period
          example: '2025-06-01'
          format: date
          type: string
        start_date:
          description: Start date of the summary period
          example: '2025-05-01'
          format: date
          type: string
        summary:
          $ref: '#/components/schemas/Summary'
        total:
          $ref: '#/components/schemas/TotalSummary'
        user_email:
          description: User email address
          example: user@example.com
          format: email
          type: string
        user_id:
          description: User identifier
          example: 0db0b4aa-a83d-4d4f-ad9b-3ba7c1ac2ce8
          type: string
      required:
      - user_id
      - start_date
      - end_date
      - user_email
      - currency
      - summary
      - total
      type: object
    AdjustmentLine:
      properties:
        amount:
          description: Adjustment amount as decimal string
          example: '-10.00'
          type: string
        description:
          description: Description of the adjustment
          example: Credit for service outage
          type: string
        event_date:
          description: Date when the adjustment occurred
          example: '2025-05-15'
          format: date
          type: string
      required:
      - amount
      - description
      - event_date
      type: object
    TotalSummary:
      properties:
        credits:
          description: Total credits as decimal string
          example: '-5.00'
          type: string
        existing_mrc:
          description: Total existing monthly recurring charges as decimal string
          example: '100.00'
          type: string
        grand_total:
          description: Grand total of all charges as decimal string
          example: '180.00'
          type: string
        ledger_adjustments:
          description: Ledger adjustments as decimal string
          example: '0.00'
          type: string
        new_mrc:
          description: Total new monthly recurring charges as decimal string
          example: '50.00'
          type: string
        new_otc:
          description: Total new one-time charges as decimal string
          example: '25.00'
          type: string
        other:
          description: Other charges as decimal string
          example: '10.00'
          type: string
      required:
      - new_mrc
      - new_otc
      - existing_mrc
      - other
      - credits
      - ledger_adjustments
      - grand_total
      type: object
    MonthDetail:
      properties:
        mrc:
          description: Monthly recurring charge amount as decimal string
          example: '25.50'
          type: string
        otc:
          description: One-time charge amount as decimal string
          example: '5.00'
          type:
          - string
          - 'null'
        quantity:
          description: Number of items
          example: 10
          type: integer
      required:
      - quantity
      - mrc
      type: object
    SummaryLine:
      discriminator:
        propertyName: type
      oneOf:
      - $ref: '#/components/schemas/ComparativeLine'
      - $ref: '#/components/schemas/SimpleLine'
    Summary:
      example:
        adjustments:
        - amount: '-10.00'
          description: Credit for service outage
          event_date: '2025-05-15'
        lines:
        - alias: local
          existing_this_month:
            mrc: '20.00'
            quantity: 8
          name: Local DIDs
          new_this_month:
            mrc: '25.50'
            otc: '5.00'
            quantity: 10
          type: comparative
        - alias: port_out
          amount: '15.75'
          name: Port Out
          quantity: 100
          type: simple
      properties:
        adjustments:
          description: List of billing adjustments
          items:
            $ref: '#/components/schemas/AdjustmentLine'
          type: array
        lines:
          description: List of charge summary lines
          items:
            $ref: '#/components/schemas/SummaryLine'
          type: array
      required:
      - lines
      - adjustments
      type: object
    charges_Errors:
      properties:
        errors:
          items:
            $ref: '#/components/schemas/charges_Error'
          type: array
    charges_Error:
      properties:
        code:
          format: integer
          type: string
        detail:
          type: string
        meta:
          type: object
        source:
          properties:
            parameter:
              description: Indicates which query parameter caused the error.
              type: string
            pointer:
              description: JSON pointer (RFC6901) to the offending entity.
              format: json-pointer
              type: string
          type: object
        title:
          type: string
      required:
      - code
      - title
    SimpleLine:
      properties:
        alias:
          description: Service alias
          example: port_out
          type: string
        amount:
          description: Total amount as decimal string
          example: '15.75'
          type: string
        name:
          description: Service name
          example: Port Out
          type: string
        quantity:
          description: Number of items
          example: 100
          type: integer
        type:
          enum:
          - simple
          example: simple
          type: string
      required:
      - type
      - name
      - alias
      - quantity
      - amount
      type: object
    MonthlyChargesSummaryResponse:
      properties:
        data:
          $ref: '#/components/schemas/SummaryAndTotal'
      required:
      - data
      type: object
  responses:
    charges_GenericErrorResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/charges_Errors'
      description: Unexpected error
    charges_UnprocessableEntityErrorResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/charges_Errors'
      description: User account not found
    charges_BadRequestErrorResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/charges_Errors'
      description: Invalid request parameters or date range
  securitySchemes:
    bearerAuth:
      scheme: bearer
      type: http
    branded-calling_bearerAuth:
      description: API key passed as a Bearer token in the Authorization header
      scheme: bearer
      type: http
    oauthClientAuth:
      description: OAuth 2.0 authentication for Telnyx API and MCP integrations
      flows:
        authorizationCode:
          authorizationUrl: https://api.telnyx.com/v2/oauth/authorize
          refreshUrl: https://api.telnyx.com/v2/oauth/token
          scopes:
            admin: Administrative access to Telnyx resources
          tokenUrl: https://api.telnyx.com/v2/oauth/token
        clientCredentials:
          scopes:
            admin: Administrative access to Telnyx resources
          tokenUrl: https://api.telnyx.com/v2/oauth/token
      type: oauth2
    outbound-voice-profiles_bearerAuth:
      bearerFormat: JWT
      scheme: bearer
      type: http
    pronunciation-dicts_bearerAuth:
      description: Telnyx API v2 key. Obtain from https://portal.telnyx.com
      scheme: bearer
      type: http
    stored-payment-transactions_bearerAuth:
      bearerFormat: JWT
      scheme: bearer
      type: http