Properties
| Name | Type | Description |
|---|---|---|
| type | string | This is the type of call. |
| costs | array | These are the costs of individual components of the call in USD. |
| messages | array | |
| phoneCallProvider | string | This is the provider of the call. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type. |
| phoneCallTransport | string | This is the transport of the phone call. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type. |
| status | string | This is the status of the call. |
| endedReason | string | This is the explanation for how the call ended. |
| endedMessage | string | This is the message that adds more context to the ended reason. It can be used to provide potential error messages or warnings. |
| destination | object | This is the destination where the call ended up being transferred to. If the call was not transferred, this will be empty. |
| id | string | This is the unique identifier for the call. |
| orgId | string | This is the unique identifier for the org that this call belongs to. |
| createdAt | string | This is the ISO 8601 date-time string of when the call was created. |
| updatedAt | string | This is the ISO 8601 date-time string of when the call was last updated. |
| startedAt | string | This is the ISO 8601 date-time string of when the call was started. |
| endedAt | string | This is the ISO 8601 date-time string of when the call was ended. |
| cost | number | This is the cost of the call in USD. |
| costBreakdown | object | This is the cost of the call in USD. |
| artifactPlan | object | This is a copy of assistant artifact plan. This isn't actually stored on the call but rather just returned in POST /call/web to enable artifact creation client side. |
| analysis | object | This is the analysis of the call. Configure in `assistant.analysisPlan`. |
| monitor | object | This is to real-time monitor the call. Configure in `assistant.monitorPlan`. |
| artifact | object | These are the artifacts created from the call. Configure in `assistant.artifactPlan`. |
| compliance | object | This is the compliance of the call. Configure in `assistant.compliancePlan`. |
| phoneCallProviderId | string | The ID of the call as provided by the phone number service. callSid in Twilio. conversationUuid in Vonage. callControlId in Telnyx. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type. |
| campaignId | string | This is the campaign ID that the call belongs to. |
| assistantId | string | This is the assistant ID that will be used for the call. To use a transient assistant, use `assistant` instead. To start a call with: - Assistant, use `assistantId` or `assistant` - Squad, use `squadI |
| assistant | object | This is the assistant that will be used for the call. To use an existing assistant, use `assistantId` instead. To start a call with: - Assistant, use `assistant` - Squad, use `squad` - Workflow, use ` |
| assistantOverrides | object | These are the overrides for the `assistant` or `assistantId`'s settings and template variables. |
| squadId | string | This is the squad that will be used for the call. To use a transient squad, use `squad` instead. To start a call with: - Assistant, use `assistant` or `assistantId` - Squad, use `squad` or `squadId` - |
| squad | object | This is a squad that will be used for the call. To use an existing squad, use `squadId` instead. To start a call with: - Assistant, use `assistant` or `assistantId` - Squad, use `squad` or `squadId` - |
| squadOverrides | object | These are the overrides for the `squad` or `squadId`'s member settings and template variables. This will apply to all members of the squad. |
| workflowId | string | This is the workflow that will be used for the call. To use a transient workflow, use `workflow` instead. To start a call with: - Assistant, use `assistant` or `assistantId` - Squad, use `squad` or `s |
| workflow | object | This is a workflow that will be used for the call. To use an existing workflow, use `workflowId` instead. To start a call with: - Assistant, use `assistant` or `assistantId` - Squad, use `squad` or `s |
| workflowOverrides | object | These are the overrides for the `workflow` or `workflowId`'s settings and template variables. |
| phoneNumberId | string | This is the phone number that will be used for the call. To use a transient number, use `phoneNumber` instead. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type. |
| phoneNumber | object | This is the phone number that will be used for the call. To use an existing number, use `phoneNumberId` instead. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type. |
| customerId | string | This is the customer that will be called. To call a transient customer , use `customer` instead. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type. |
| customer | object | This is the customer that will be called. To call an existing customer, use `customerId` instead. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type. |
| name | string | This is the name of the call. This is just for your own reference. |
| schedulePlan | object | This is the schedule plan of the call. |
| transport | object | This is the transport of the call. |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "#/components/schemas/Call",
"title": "Call",
"type": "object",
"properties": {
"type": {
"type": "string",
"description": "This is the type of call.",
"enum": [
"inboundPhoneCall",
"outboundPhoneCall",
"webCall",
"vapi.websocketCall"
]
},
"costs": {
"type": "array",
"description": "These are the costs of individual components of the call in USD.",
"items": {
"oneOf": [
{
"$ref": "#/components/schemas/TransportCost",
"title": "TransportCost"
},
{
"$ref": "#/components/schemas/TranscriberCost",
"title": "TranscriberCost"
},
{
"$ref": "#/components/schemas/ModelCost",
"title": "ModelCost"
},
{
"$ref": "#/components/schemas/VoiceCost",
"title": "VoiceCost"
},
{
"$ref": "#/components/schemas/VapiCost",
"title": "VapiCost"
},
{
"$ref": "#/components/schemas/VoicemailDetectionCost",
"title": "VoicemailDetectionCost"
},
{
"$ref": "#/components/schemas/AnalysisCost",
"title": "AnalysisCost"
},
{
"$ref": "#/components/schemas/KnowledgeBaseCost",
"title": "KnowledgeBaseCost"
}
]
}
},
"messages": {
"type": "array",
"items": {
"oneOf": [
{
"$ref": "#/components/schemas/UserMessage",
"title": "UserMessage"
},
{
"$ref": "#/components/schemas/SystemMessage",
"title": "SystemMessage"
},
{
"$ref": "#/components/schemas/BotMessage",
"title": "BotMessage"
},
{
"$ref": "#/components/schemas/ToolCallMessage",
"title": "ToolCallMessage"
},
{
"$ref": "#/components/schemas/ToolCallResultMessage",
"title": "ToolCallResultMessage"
}
]
}
},
"phoneCallProvider": {
"type": "string",
"description": "This is the provider of the call.\n\nOnly relevant for `outboundPhoneCall` and `inboundPhoneCall` type.",
"deprecated": true,
"enum": [
"twilio",
"vonage",
"vapi",
"telnyx"
]
},
"phoneCallTransport": {
"type": "string",
"description": "This is the transport of the phone call.\n\nOnly relevant for `outboundPhoneCall` and `inboundPhoneCall` type.",
"enum": [
"sip",
"pstn"
]
},
"status": {
"type": "string",
"description": "This is the status of the call.",
"enum": [
"scheduled",
"queued",
"ringing",
"in-progress",
"forwarding",
"ended",
"not-found",
"deletion-failed"
]
},
"endedReason": {
"type": "string",
"description": "This is the explanation for how the call ended.",
"enum": [
"call-start-error-neither-assistant-nor-server-set",
"assistant-request-failed",
"assistant-request-returned-error",
"assistant-request-returned-unspeakable-error",
"assistant-request-returned-invalid-assistant",
"assistant-request-returned-no-assistant",
"assistant-request-returned-forwarding-phone-number",
"scheduled-call-deleted",
"call.start.error-vapifault-get-org",
"call.start.error-vapifault-get-subscription",
"call.start.error-get-assistant",
"call.start.error-get-phone-number",
"call.start.error-get-customer",
"call.start.error-get-resources-validation",
"call.start.error-vapi-number-international",
"call.start.error-vapi-number-outbound-daily-limit",
"call.start.error-get-transport",
"call.start.error-subscription-wallet-does-not-exist",
"call.start.error-fraud-check-failed",
"call.start.error-subscription-frozen",
"call.start.error-subscription-insufficient-credits",
"call.start.error-subscription-upgrade-failed",
"call.start.error-subscription-concurrency-limit-reached",
"call.start.error-enterprise-feature-not-available-recording-consent",
"assistant-not-valid",
"call.start.error-vapifault-database-error",
"assistant-not-found",
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"pipeline-error-groq-500-server-error",
"pipeline-error-groq-503-server-overloaded-error",
"pipeline-error-groq-llm-failed",
"call.in-progress.error-vapifault-groq-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-groq-401-unauthorized",
"call.in-progress.error-vapifault-groq-403-model-access-denied",
"call.in-progress.error-vapifault-groq-429-exceeded-quota",
"call.in-progress.error-providerfault-groq-500-server-error",
"call.in-progress.error-providerfault-groq-503-server-overloaded-error",
"pipeline-error-cerebras-400-bad-request-validation-failed",
"pipeline-error-cerebras-401-unauthorized",
"pipeline-error-cerebras-403-model-access-denied",
"pipeline-error-cerebras-429-exceeded-quota",
"pipeline-error-cerebras-500-server-error",
"pipeline-error-cerebras-503-server-overloaded-error",
"pipeline-error-cerebras-llm-failed",
"call.in-progress.error-vapifault-cerebras-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-cerebras-401-unauthorized",
"call.in-progress.error-vapifault-cerebras-403-model-access-denied",
"call.in-progress.error-vapifault-cerebras-429-exceeded-quota",
"call.in-progress.error-providerfault-cerebras-500-server-error",
"call.in-progress.error-providerfault-cerebras-503-server-overloaded-error",
"pipeline-error-anthropic-400-bad-request-validation-failed",
"pipeline-error-anthropic-401-unauthorized",
"pipeline-error-anthropic-403-model-access-denied",
"pipeline-error-anthropic-429-exceeded-quota",
"pipeline-error-anthropic-500-server-error",
"pipeline-error-anthropic-503-server-overloaded-error",
"pipeline-error-anthropic-llm-failed",
"call.in-progress.error-providerfault-anthropic-llm-failed",
"call.in-progress.error-vapifault-anthropic-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-anthropic-401-unauthorized",
"call.in-progress.error-vapifault-anthropic-403-model-access-denied",
"call.in-progress.error-vapifault-anthropic-429-exceeded-quota",
"call.in-progress.error-providerfault-anthropic-500-server-error",
"call.in-progress.error-providerfault-anthropic-503-server-overloaded-error",
"pipeline-error-anthropic-bedrock-400-bad-request-validation-failed",
"pipeline-error-anthropic-bedrock-401-unauthorized",
"pipeline-error-anthropic-bedrock-403-model-access-denied",
"pipeline-error-anthropic-bedrock-429-exceeded-quota",
"pipeline-error-anthropic-bedrock-500-server-error",
"pipeline-error-anthropic-bedrock-503-server-overloaded-error",
"pipeline-error-anthropic-bedrock-llm-failed",
"call.in-progress.error-providerfault-anthropic-bedrock-llm-failed",
"call.in-progress.error-vapifault-anthropic-bedrock-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-anthropic-bedrock-401-unauthorized",
"call.in-progress.error-vapifault-anthropic-bedrock-403-model-access-denied",
"call.in-progress.error-vapifault-anthropic-bedrock-429-exceeded-quota",
"call.in-progress.error-providerfault-anthropic-bedrock-500-server-error",
"call.in-progress.error-providerfault-anthropic-bedrock-503-server-overloaded-error",
"pipeline-error-anthropic-vertex-400-bad-request-validation-failed",
"pipeline-error-anthropic-vertex-401-unauthorized",
"pipeline-error-anthropic-vertex-403-model-access-denied",
"pipeline-error-anthropic-vertex-429-exceeded-quota",
"pipeline-error-anthropic-vertex-500-server-error",
"pipeline-error-anthropic-vertex-503-server-overloaded-error",
"pipeline-error-anthropic-vertex-llm-failed",
"call.in-progress.error-providerfault-anthropic-vertex-llm-failed",
"call.in-progress.error-vapifault-anthropic-vertex-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-anthropic-vertex-401-unauthorized",
"call.in-progress.error-vapifault-anthropic-vertex-403-model-access-denied",
"call.in-progress.error-vapifault-anthropic-vertex-429-exceeded-quota",
"call.in-progress.error-providerfault-anthropic-vertex-500-server-error",
"call.in-progress.error-providerfault-anthropic-vertex-503-server-overloaded-error",
"pipeline-error-together-ai-400-bad-request-validation-failed",
"pipeline-error-together-ai-401-unauthorized",
"pipeline-error-together-ai-403-model-access-denied",
"pipeline-error-together-ai-429-exceeded-quota",
"pipeline-error-together-ai-500-server-error",
"pipeline-error-together-ai-503-server-overloaded-error",
"pipeline-error-together-ai-llm-failed",
"call.in-progress.error-providerfault-together-ai-llm-failed",
"call.in-progress.error-vapifault-together-ai-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-together-ai-401-unauthorized",
"call.in-progress.error-vapifault-together-ai-403-model-access-denied",
"call.in-progress.error-vapifault-together-ai-429-exceeded-quota",
"call.in-progress.error-providerfault-together-ai-500-server-error",
"call.in-progress.error-providerfault-together-ai-503-server-overloaded-error",
"pipeline-error-anyscale-400-bad-request-validation-failed",
"pipeline-error-anyscale-401-unauthorized",
"pipeline-error-anyscale-403-model-access-denied",
"pipeline-error-anyscale-429-exceeded-quota",
"pipeline-error-anyscale-500-server-error",
"pipeline-error-anyscale-503-server-overloaded-error",
"pipeline-error-anyscale-llm-failed",
"call.in-progress.error-providerfault-anyscale-llm-failed",
"call.in-progress.error-vapifault-anyscale-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-anyscale-401-unauthorized",
"call.in-progress.error-vapifault-anyscale-403-model-access-denied",
"call.in-progress.error-vapifault-anyscale-429-exceeded-quota",
"call.in-progress.error-providerfault-anyscale-500-server-error",
"call.in-progress.error-providerfault-anyscale-503-server-overloaded-error",
"pipeline-error-openrouter-400-bad-request-validation-failed",
"pipeline-error-openrouter-401-unauthorized",
"pipeline-error-openrouter-403-model-access-denied",
"pipeline-error-openrouter-429-exceeded-quota",
"pipeline-error-openrouter-500-server-error",
"pipeline-error-openrouter-503-server-overloaded-error",
"pipeline-error-openrouter-llm-failed",
"call.in-progress.error-providerfault-openrouter-llm-failed",
"call.in-progress.error-vapifault-openrouter-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-openrouter-401-unauthorized",
"call.in-progress.error-vapifault-openrouter-403-model-access-denied",
"call.in-progress.error-vapifault-openrouter-429-exceeded-quota",
"call.in-progress.error-providerfault-openrouter-500-server-error",
"call.in-progress.error-providerfault-openrouter-503-server-overloaded-error",
"pipeline-error-perplexity-ai-400-bad-request-validation-failed",
"pipeline-error-perplexity-ai-401-unauthorized",
"pipeline-error-perplexity-ai-403-model-access-denied",
"pipeline-error-perplexity-ai-429-exceeded-quota",
"pipeline-error-perplexity-ai-500-server-error",
"pipeline-error-perplexity-ai-503-server-overloaded-error",
"pipeline-error-perplexity-ai-llm-failed",
"call.in-progress.error-providerfault-perplexity-ai-llm-failed",
"call.in-progress.error-vapifault-perplexity-ai-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-perplexity-ai-401-unauthorized",
"call.in-progress.error-vapifault-perplexity-ai-403-model-access-denied",
"call.in-progress.error-vapifault-perplexity-ai-429-exceeded-quota",
"call.in-progress.error-providerfault-perplexity-ai-500-server-error",
"call.in-progress.error-providerfault-perplexity-ai-503-server-overloaded-error",
"pipeline-error-deepinfra-400-bad-request-validation-failed",
"pipeline-error-deepinfra-401-unauthorized",
"pipeline-error-deepinfra-403-model-access-denied",
"pipeline-error-deepinfra-429-exceeded-quota",
"pipeline-error-deepinfra-500-server-error",
"pipeline-error-deepinfra-503-server-overloaded-error",
"pipeline-error-deepinfra-llm-failed",
"call.in-progress.error-providerfault-deepinfra-llm-failed",
"call.in-progress.error-vapifault-deepinfra-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-deepinfra-401-unauthorized",
"call.in-progress.error-vapifault-deepinfra-403-model-access-denied",
"call.in-progress.error-vapifault-deepinfra-429-exceeded-quota",
"call.in-progress.error-providerfault-deepinfra-500-server-error",
"call.in-progress.error-providerfault-deepinfra-503-server-overloaded-error",
"pipeline-error-runpod-400-bad-request-validation-failed",
"pipeline-error-runpod-401-unauthorized",
"pipeline-error-runpod-403-model-access-denied",
"pipeline-error-runpod-429-exceeded-quota",
"pipeline-error-runpod-500-server-error",
"pipeline-error-runpod-503-server-overloaded-error",
"pipeline-error-runpod-llm-failed",
"call.in-progress.error-providerfault-runpod-llm-failed",
"call.in-progress.error-vapifault-runpod-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-runpod-401-unauthorized",
"call.in-progress.error-vapifault-runpod-403-model-access-denied",
"call.in-progress.error-vapifault-runpod-429-exceeded-quota",
"call.in-progress.error-providerfault-runpod-500-server-error",
"call.in-progress.error-providerfault-runpod-503-server-overloaded-error",
"pipeline-error-custom-llm-400-bad-request-validation-failed",
"pipeline-error-custom-llm-401-unauthorized",
"pipeline-error-custom-llm-403-model-access-denied",
"pipeline-error-custom-llm-429-exceeded-quota",
"pipeline-error-custom-llm-500-server-error",
"pipeline-error-custom-llm-503-server-overloaded-error",
"pipeline-error-custom-llm-llm-failed",
"call.in-progress.error-providerfault-custom-llm-llm-failed",
"call.in-progress.error-vapifault-custom-llm-400-bad-request-validation-failed",
"call.in-progress.error-vapifault-custom-llm-401-unauthorized",
"call.in-progress.error-vapifault-custom-llm-403-model-access-denied",
"call.in-progress.error-vapifault-custom-llm-429-exceeded-quota",
"call.in-progress.error-providerfault-custom-llm-500-server-error",
"call.in-progress.error-providerfault-custom-llm-503-server-overloaded-error",
"call.in-progress.error-pipeline-ws-model-connection-failed",
"pipeline-error-custom-voice-failed",
"pipeline-error-cartesia-socket-hang-up",
"pipeline-error-cartesia-requested-payment",
"pipeline-error-cartesia-500-server-error",
"pipeline-error-cartesia-502-server-error",
"pipeline-error-cartesia-503-server-error",
"pipeline-error-cartesia-522-server-error",
"call.in-progress.error-vapifault-cartesia-socket-hang-up",
"call.in-progress.error-vapifault-cartesia-requested-payment",
"call.in-progress.error-providerfault-cartesia-500-server-error",
"call.in-progress.error-providerfault-cartesia-503-server-error",
"call.in-progress.error-providerfault-cartesia-522-server-error",
"pipeline-error-eleven-labs-voice-not-found",
"pipeline-error-eleven-labs-quota-exceeded",
"pipeline-error-eleven-labs-unauthorized-access",
"pipeline-error-eleven-labs-unauthorized-to-access-model",
"pipeline-error-eleven-labs-professional-voices-only-for-creator-plus",
"pipeline-error-eleven-labs-blocked-free-plan-and-requested-upgrade",
"pipeline-error-eleven-labs-blocked-concurrent-requests-and-requested-upgrade",
"pipeline-error-eleven-labs-blocked-using-instant-voice-clone-and
# --- truncated at 32 KB (48 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/vapi/refs/heads/main/json-schema/vapi-call-schema.json
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