Reject or end a call

Updated: Mar 23, 2026

Copy for LLM

You can reject an incoming call before accepting it, or terminate an active call that is already connected.

Before you begin

Complete the setup described in the Calling overview

POST /{page-id}/calls
{
  "platform": "messenger",
  "call_id": "{call-id}",
  "action": "reject"
}

Property	Description
`platform` Optional string	Only `Messenger` is supported
`call_id` string	ID of the call from the connect webhook
`action` string	Set to `reject`

{
  "success" : true
}

The following errors can occur:

Invalid call ID or Page ID

Call already rejected

Cannot reject a failed or completed call

Permissions or authorization errors

POST /{page-id}/calls
{
  "platform": "messenger",
  "call_id": "{call-id}",
  "action" : "terminate"
}

Property	Description
`platform` Optional string	Only `Messenger` is supported
`call_id` string	ID of the call from the connect webhook or accept response
`action` string	Set to `terminate`

{
  "success" : true
}

The following errors can occur:

Invalid call ID or Page ID

Call already terminated

Cannot terminate a failed or completed call

Permissions or authorization errors