> ## Documentation Index
> Fetch the complete documentation index at: https://docs.orbit.devotel.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Get an invoice

> Returns a single invoice by id with its full line items, customer reference, discounts and taxes, and a channel × country usage cost breakdown for the billing period so spend can be allocated without an export. Returns 404 when the invoice does not belong to the caller's organization. Requires an owner or admin role.



## OpenAPI

````yaml /openapi.yaml get /api/v1/billing/invoices/{id}
openapi: 3.1.0
info:
  title: Devotel CPaaS API
  description: Orbit by Devotel — Communications Platform as a Service API
  version: 1.0.0
  contact:
    name: Devotel
    url: https://devotel.io
    email: support@devotel.io
  license:
    name: Proprietary
servers:
  - url: https://api.orbit.devotel.io
    description: Production
security:
  - Bearer: []
  - ApiKey: []
tags:
  - name: Messages
    description: >-
      Send and manage messages across all channels (SMS, WhatsApp, RCS, Email,
      Viber, etc.)
  - name: Fax
    description: >-
      List and track fax (MMS/T.38) transmissions on Telnyx-backed fax numbers
      (sending flows through the Messaging API)
  - name: Agents
    description: AI agent creation, configuration, and execution
  - name: Voice
    description: Voice calls, IVR, conferencing, and SIP trunking
  - name: OnCall
    description: On-call rotations and escalation policy planning for incident alerting
  - name: Webhooks
    description: Webhook endpoint management and delivery logs
  - name: Numbers
    description: Phone number search, provisioning, and configuration
  - name: Brand Identity
    description: >-
      Unified cross-channel brand trust posture (10DLC, toll-free, WhatsApp,
      RCS, branded calling, number KYC)
  - name: Contacts
    description: Contact management, segmentation, and lifecycle tracking
  - name: Campaigns
    description: Marketing campaign orchestration and analytics
  - name: Flows
    description: Automation flow builder and execution engine
  - name: Templates
    description: Message template management and approval workflows
  - name: Settings
    description: Organization, channel, and user preference settings
  - name: Verify
    description: OTP generation and verification across channels
  - name: Push
    description: Push notification delivery via FCM and APNs
  - name: Integrations
    description: Third-party service connections and OAuth management
  - name: CDP
    description: >-
      Customer Data Platform — activation surface (CRM object sync, streaming
      destinations, ad-audience activation)
  - name: Files
    description: >-
      Server-to-server media upload, listing, retrieval, and deletion
      (signed-URL backed)
  - name: Commerce
    description: >-
      Omnichannel conversational-commerce — persistent cart + checkout state
      machine, channel-agnostic hosted pay-by-link, native WhatsApp checkout,
      and AP2-style agent payment mandates.
  - name: Sync
    description: >-
      Real-time shared-state primitive (Twilio Sync parity) — Documents, Maps,
      Lists, and ephemeral Streams, with change events relayed over the
      /api/v1/ws/sync WebSocket gateway
  - name: Risk
    description: >-
      Unified cross-channel Trust & Fraud risk scoring — fuses SMS-pumping,
      URL-reputation, Verify Fraud Guard, and Voice Biometrics signals into one
      composite verdict queryable before a send or a call.
  - name: Orby
    description: >-
      In-dashboard Orby operator assistant: streamed assistant turns,
      conversation threads, product knowledge-base search, and the tool-action
      approval gate. Available to signed-in operators only (dashboard session
      auth — API-key requests are rejected).
paths:
  /api/v1/billing/invoices/{id}:
    get:
      tags:
        - Billing
      summary: Get an invoice
      description: >-
        Returns a single invoice by id with its full line items, customer
        reference, discounts and taxes, and a channel × country usage cost
        breakdown for the billing period so spend can be allocated without an
        export. Returns 404 when the invoice does not belong to the caller's
        organization. Requires an owner or admin role.
      parameters:
        - schema:
            type: string
          in: path
          name: id
          required: true
      responses:
        '200':
          description: The requested invoice with line items and cost breakdown.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: object
                    properties:
                      invoice:
                        type: object
                        description: >-
                          The invoice detail, including line items and cost
                          breakdown.
                  meta:
                    $ref: '#/components/schemas/ResponseMeta'
              example:
                data:
                  invoice:
                    id: inv_01H8XGJ
                    invoice_number: INV-0007
                    status: paid
                    currency: USD
                    amount_due: '0.00'
                    total: '125.00'
                    subtotal: '125.00'
                    line_items:
                      - id: li_01H8XGJ
                        name: SMS usage
                        quantity: '1000'
                        amount: '125.00'
                        subtotal: '125.00'
                    cost_breakdown: null
                meta:
                  request_id: req_01H8XGJ
                  timestamp: '2026-08-02T12:00:00.000Z'
components:
  schemas:
    ResponseMeta:
      type: object
      required:
        - request_id
        - timestamp
      additionalProperties: false
      properties:
        request_id:
          type: string
          description: Unique request identifier (also returned as X-Request-Id header)
        timestamp:
          type: string
          format: date-time
        docs_url:
          type: string
          format: uri
          nullable: true
  securitySchemes:
    Bearer:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Dashboard JWT token from Clerk
    ApiKey:
      type: apiKey
      name: X-API-Key
      in: header
      description: Server-to-server API key (dv_live_sk_*)

````