Event-driven channels

Bandwidth

Bandwidth is a leading cloud-based communications platform providing voice, messaging, emergency calling, phone number management, multi-factor authentication, and toll-free verification APIs. Built on Bandwidth's own Tier 1 network, the platform delivers enterprise-grade reliability for CPaaS appli

15 channels across 2 AsyncAPI specs · Provider profile

Channels

/messaging/inbound

Inbound message webhook sent when a message is received by one of your Bandwidth phone numbers. Provides the full message content, sender, and recipient information.

Bandwidth Messaging Events
/messaging/status

Message delivery status webhook sent for outbound messages. You will receive either a Message Delivered or Message Failed event for each outbound message, but never both.

Bandwidth Messaging Events
/voice/answer

Sent when an outbound call is answered or when an inbound call is received. This is the primary webhook for initiating call flow control via BXML response.

Bandwidth Voice Events
/voice/conferenceCompleted

Sent when a conference ends (all members have left or it was explicitly completed).

Bandwidth Voice Events
/voice/conferenceCreated

Sent when a new conference is created.

Bandwidth Voice Events
/voice/conferenceMemberExit

Sent when a member leaves a conference.

Bandwidth Voice Events
/voice/conferenceMemberJoin

Sent when a new member joins a conference.

Bandwidth Voice Events
/voice/disconnect

Sent when a call is disconnected for any reason. Provides the disconnect cause and final call state.

Bandwidth Voice Events
/voice/gather

Sent when a DTMF gather operation completes, either because the user pressed the terminating digit or the gather timed out.

Bandwidth Voice Events
/voice/initiate

Sent when an inbound call is received, before the answer callback. Allows your application to perform pre-answer logic such as call screening or routing decisions.

Bandwidth Voice Events
/voice/recordingComplete

Sent when a call recording has been completed and the media file is available for download.

Bandwidth Voice Events
/voice/redirect

Sent when a call is redirected to a new BXML URL via the update call API endpoint.

Bandwidth Voice Events
/voice/transcriptionAvailable

Sent when a recording transcription has been completed and is available for retrieval.

Bandwidth Voice Events
/voice/transferAnswer

Sent when a transferred call is answered by the transfer target.

Bandwidth Voice Events
/voice/transferDisconnect

Sent when a transferred call is disconnected.

Bandwidth Voice Events