channel_not_supported

What happened

This sender cannot send on that channel.

Why

The channel is not one this workspace can use, or the sender named in from (a number, a Binding) cannot send on it.

How to fix it

List what the workspace can use with GET /v1/channels, and send from a sender on that channel.

Example response

{
  "error": "channel_not_supported",
  "message": "This sender cannot send on that channel.",
  "requestId": "req-8f2c1d4b",
  "retryable": false,
  "docs": "https://docs.vlayers.ai/errors/channel_not_supported"
}

See Errors, retries and idempotency for how to handle errors in general.