> ## 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 voice-cost rollup for a campaign > Returns the settled voice-spend rollup for an outbound voice broadcast — the total charge across every call placed for the campaign (in cents), the number of settled calls that contributed to the total, and the average cost per call. Use it to reconcile voice spend on a campaign after calls complete. Voice-only; spend for SMS, email, and other channels is reported through the campaign stats endpoint. Read-only; returns 404 when the campaign does not exist. ## OpenAPI ````yaml /openapi.yaml get /api/v1/campaigns/{id}/voice-cost-rollup 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/campaigns/{id}/voice-cost-rollup: get: tags: - Campaigns summary: Get voice-cost rollup for a campaign description: >- Returns the settled voice-spend rollup for an outbound voice broadcast — the total charge across every call placed for the campaign (in cents), the number of settled calls that contributed to the total, and the average cost per call. Use it to reconcile voice spend on a campaign after calls complete. Voice-only; spend for SMS, email, and other channels is reported through the campaign stats endpoint. Read-only; returns 404 when the campaign does not exist. parameters: - schema: type: string in: path name: id required: true responses: '200': description: Settled voice-spend totals for the campaign. content: application/json: schema: type: object properties: data: type: object properties: campaign_id: type: string total_cost_cents: type: integer description: >- Sum of settled call charges for the campaign, in cents. call_count: type: integer description: >- Number of settled calls that carried a charge and contributed to the total. avg_cost_per_call_cents: type: integer nullable: true description: >- Average charge per settled call in cents, or null when no calls have settled yet. meta: $ref: '#/components/schemas/ResponseMeta' example: data: campaign_id: cmp_9f2c1a7b total_cost_cents: 128400 call_count: 642 avg_cost_per_call_cents: 200 '404': description: Campaign not found. 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_*) ````