Skip to main content
POST
Make a single call
Legacy endpoint - deprecated. Unversioned endpoints are scheduled for removal on July 31, 2026. A public v1 replacement is not currently listed in the v1 reference. This endpoint remains available for existing integrations until then.
Creates a single outbound call and queues it for processing. Use this endpoint when your application needs to call one recipient outside a batch campaign.

When to use this

  • CRM click-to-call: start a call from a lead or account record.
  • Form follow-up: call a new inbound lead after submission.
  • Operational reminders: trigger one appointment, payment, or verification call.
This endpoint uses the v1 resource path /outbound-calls. Legacy unversioned /single-outbound-call integrations can continue during the transition window, but new v1 integrations should use /outbound-calls.

Authorizations

Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json
recipient_phone_number
string
required

The phone number of the recipient

from_phone_number
string
required

The phone number to call from

agent_id
string
required

The ID of the agent version to use for the call

agent_version_id
number
required

The ID of the agent version to use for the call

dynamic_variables
string[]
required

Dynamic variables to use in the call. Should be a JSON object with key-value pairs.

Response

The call has been successfully initiated.