> ## Documentation Index > Fetch the complete documentation index at: https://docs.buildwithchirp.com/llms.txt > Use this file to discover all available pages before exploring further. # Get billing summary > Get aggregated cost totals by product, channel, and direction for a date range ## OpenAPI ````yaml /openapi.json get /v1/organization/billing/summary openapi: 3.1.0 info: version: 1.0.0 title: Chirp API description: Communication APIs for SMS, MMS, and WhatsApp messaging servers: - url: https://api.buildwithchirp.com security: [] paths: /v1/organization/billing/summary: get: tags: - Admin - Billing parameters: - schema: type: string example: '2026-02-01' description: Start date (YYYY-MM-DD) required: true description: Start date (YYYY-MM-DD) name: start_date in: query - schema: type: string example: '2026-02-28' description: End date (YYYY-MM-DD) required: true description: End date (YYYY-MM-DD) name: end_date in: query - schema: type: string description: Filter by specific app required: false description: Filter by specific app name: app_id in: query responses: '200': description: Aggregated billing summary content: application/json: schema: $ref: '#/components/schemas/BillingSummaryResponse' '401': description: Missing or invalid API key content: application/json: schema: $ref: '#/components/schemas/ApiError' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ApiError' security: - adminAuth: [] components: schemas: BillingSummaryResponse: type: object properties: total_cost: type: number example: 5.43 currency: type: string enum: - USD period: type: object properties: start: type: string end: type: string required: - start - end by_product: type: object properties: messaging: type: number sip-trunking: type: number webrtc: type: number recording: type: number media-storage: type: number whatsapp: type: number phone-numbers: type: number required: - messaging - sip-trunking - webrtc - recording - media-storage - whatsapp - phone-numbers by_channel: type: object properties: sms: type: number mms: type: number whatsapp: type: number voice: type: number other: type: number required: - sms - mms - whatsapp - voice - other by_direction: type: object properties: inbound: type: number outbound: type: number required: - inbound - outbound record_count: type: number required: - total_cost - currency - period - by_product - by_channel - by_direction - record_count ApiError: type: object properties: error: type: object properties: type: type: string enum: - invalid_request_error - authentication_error - provider_error - api_error description: The type of error returned example: invalid_request_error code: type: string enum: - message_undeliverable - conversation_window_expired - recipient_not_on_whatsapp - phone_number_not_assigned - unsupported_message_type - media_too_large - invalid_phone_number - template_not_found - template_parameter_mismatch - groups_not_eligible - account_restricted - display_name_not_approved - whatsapp_not_configured - meta_api_error - meta_api_unavailable - telnyx_api_error - telnyx_api_unavailable - rate_limit_exceeded - whatsapp_rate_limited - resource_already_exists - test_app_required - call_not_found - call_already_ended - call_failed - call_rejected - call_timeout - call_busy - calling_not_configured - calling_disabled - max_concurrent_calls_reached - recording_not_found - recording_already_in_progress - recording_failed - voicemail_not_found - voicemail_disabled - invalid_call_command - command_not_applicable - whatsapp_calling_not_enabled - whatsapp_call_permission_required - whatsapp_call_permission_limit - whatsapp_pstn_bridge_forbidden - livekit_api_error - livekit_room_error - sip_trunk_error description: A machine-readable error code for programmatic handling example: invalid_phone_number message: type: string description: Human-readable error message example: The phone number "+1abc" is not in E.164 format. doc_url: type: string format: uri description: URL to documentation for this error code example: >- https://docs.buildwithchirp.com/api_reference/error-codes#invalid_phone_number param: type: string description: The parameter that caused the error example: from provider: $ref: '#/components/schemas/ProviderError' additional_info: type: array items: type: string description: Human-readable remediation hints (e.g. from Meta Health Status). required: - type - message required: - error ProviderError: type: object properties: source: type: string enum: - meta - telnyx - livekit description: Provider name example: meta code: anyOf: - type: number - type: string description: Provider's native error code message: type: string description: Provider's error message fbtrace_id: type: string description: Meta's trace ID for support tickets health_status: $ref: '#/components/schemas/HealthStatusPayload' required: - source - code - message HealthStatusPayload: type: object properties: can_send_message: type: string enum: - AVAILABLE - LIMITED - BLOCKED description: Meta Health Status value entities: type: array items: $ref: '#/components/schemas/HealthStatusEntity' required: - can_send_message - entities description: >- Meta Health Status payload, present when the error was enriched via the Health Status API. HealthStatusEntity: oneOf: - type: object properties: entity_type: type: string enum: - PHONE_NUMBER - MESSAGE_TEMPLATE - WABA - BUSINESS - APP id: type: string can_send_message: type: string enum: - AVAILABLE can_receive_call_sip: type: string enum: - AVAILABLE - LIMITED - BLOCKED description: Meta Health Status value errors: type: array items: $ref: '#/components/schemas/HealthStatusError' required: - entity_type - id - can_send_message - type: object properties: entity_type: type: string enum: - PHONE_NUMBER - MESSAGE_TEMPLATE - WABA - BUSINESS - APP id: type: string can_send_message: type: string enum: - LIMITED can_receive_call_sip: type: string enum: - AVAILABLE - LIMITED - BLOCKED description: Meta Health Status value additional_info: type: array items: type: string errors: type: array items: $ref: '#/components/schemas/HealthStatusError' required: - entity_type - id - can_send_message - additional_info - type: object properties: entity_type: type: string enum: - PHONE_NUMBER - MESSAGE_TEMPLATE - WABA - BUSINESS - APP id: type: string can_send_message: type: string enum: - BLOCKED can_receive_call_sip: type: string enum: - AVAILABLE - LIMITED - BLOCKED description: Meta Health Status value errors: type: array items: $ref: '#/components/schemas/HealthStatusError' required: - entity_type - id - can_send_message - errors HealthStatusError: type: object properties: error_code: type: number error_description: type: string possible_solution: type: string required: - error_code - error_description - possible_solution securitySchemes: adminAuth: type: http scheme: bearer description: 'Admin API key (format: sk_admin_*) for organization-level operations' ````