> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bland.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Create Post Call Webhook

> Create and send post call webhooks for specified calls.

## Overview

Create and send post call webhooks for one or more call IDs. This endpoint allows you to create webhooks for calls that don't already have webhooks configured. The webhooks will be sent immediately after creation to the specified webhook URL. If the call has already sent a post call webhook, this endpoint will return an error.

***

## Headers

**authorization** `string` *required*

Your API key for authentication.

***

## Body Parameters

**call\_ids** `string[]` *required*

Array of call IDs to create and send webhooks for. Each call ID must be unique within the array.

**Array Item Properties**

**call\_id** `string`

The unique identifier of a call to create a webhook for.

**webhook\_url** `string` *required*

The URL where the webhook payloads should be sent.

***

## Response

**data** `array`

Array of webhook objects for each created webhook.

**Array Item Properties**

**call\_id** `string`

The unique identifier of the call this webhook is for.

**payload** `object`

The webhook payload data that was sent.

**url** `string`

The URL the webhook was sent to.

**user\_id** `string`

The ID of the user/org that owns this webhook.

**created\_at** `string`

Timestamp of when the webhook was created.

**metadata** `array`

Array of metadata objects about webhook send attempts.

**Array Item Properties**

**sent\_at** `string`

Timestamp of when this webhook attempt was sent.

**response\_code** `integer`

HTTP response code received from the webhook endpoint.

**response\_time** `string`

Time taken to receive a response from the webhook endpoint.

**send\_type** `string`

How this webhook was triggered (will be "create" in this case).

**errors** `array`

Array of error objects if any errors occurred.

**Array Item Properties**

**error** `string`

The error code. Possible values:

* "invalid\_parameter": Invalid request parameters
* "INTERNAL\_SERVER\_ERROR": Server error occurred

**message** `string`

Detailed error message.

***

Docs for agents: [llms.txt](https://docs.bland.ai/llms.txt)


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.