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

# Webhooks

> Receive real-time call events at your own server endpoints

Webhooks let SuperU push event notifications to your server as calls happen. Instead of polling for status, your server receives an HTTP `POST` request the moment an event fires.

## Available Events

| Event                                            | Description                |
| ------------------------------------------------ | -------------------------- |
| [Call Ended](/api-reference/webhooks/call-ended) | Triggered when a call ends |

## Coming Soon

| Event                       | Description                                                                       |
| --------------------------- | --------------------------------------------------------------------------------- |
| Call Started                | Triggered when a call is connected                                                |
| Call Failed                 | Triggered when a call fails to connect or is dropped unexpectedly                 |
| Voicemail Detected          | Triggered when the agent detects it has reached a voicemail                       |
| Transcription Ready         | Triggered when the full transcript of a call is available                         |
| Call Recording Ready        | Triggered when the call recording has been processed and is ready to download     |
| Tool Called                 | Triggered when the agent invokes a tool during a call                             |
| Human Handoff Requested     | Triggered when the agent transfers the call to a human agent                      |
| Sentiment Analysis Complete | Triggered when post-call sentiment analysis has finished                          |
| **Account**                 |                                                                                   |
| Credit Balance Low          | Triggered when your credit balance falls below a set threshold                    |
| Credit Balance Depleted     | Triggered when your credit balance reaches zero and calls can no longer be placed |
| Credits Added               | Triggered when credits are added to your account                                  |
| Plan Upgraded               | Triggered when your account is upgraded to a higher plan                          |
| Plan Downgraded             | Triggered when your account is downgraded to a lower plan                         |
| API Key Rotated             | Triggered when your API key is regenerated                                        |