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API Calls let your agent interact with external systems during conversations — fetch customer data, book appointments, update CRMs, process payments.

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API Call Types

TypeWhen It RunsUse Case
Pre-CallBefore conversation startsLoad customer context
Mid-CallDuring conversationCheck status, take action
Post-CallAfter conversation endsLog to CRM, create tickets

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Configuration

FieldDescription
URLAPI endpoint
MethodGET, POST, PUT, DELETE
HeadersAuthorization, Content-Type
BodyRequest payload (JSON)
Response MappingExtract data to variables

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Example

Request: 
GET https://api.example.com/customers/{{caller_phone}}
Response: 
{
  "name": "Jane Smith",
  "tier": "premium"
}
Use in prompt: 
Hello {{customer_name}}! I see you're a {{tier}} member.

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Implementation

API calls are configured differently in each agent type.

Single Prompt

API Calls in Configuration Panel

Conversational Flow

API Call Nodes in Workflow