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POST
Initiate an outbound WhatsApp Business Call (Phase 5)

Authorizations

Authorization
string
header
required

Dashboard JWT token from Clerk

Body

application/json
to
string
required

Recipient phone number (E.164, optional leading +).

Required string length: 1 - 64
from_phone_number_id
string
required

Meta phone_number_id of the sender WABA number.

Required string length: 1 - 64
conversation_id
string
Required string length: 1 - 64
biz_opaque_callback_data
string

Echoed back on every webhook event for the call (correlation handle).

Required string length: 1 - 512
sdp_offer
string

SDP offer for browser-side WebRTC. Omit for server-bridged calls.

Required string length: 1 - 16384

Response

Call queued with Meta

Call queued with Meta

data
object
meta
object