# Alert channels — API reference

> Where alerts go: email, Slack, Telegram, PagerDuty and friends. REST endpoints with request and response fields, examples in curl, JavaScript, Python, Go and PHP, and an in-browser Try it console.

Source: https://upfour.io/docs/api/notification-channels

[Developers](https://upfour.io/docs/api.md)/Alerting & response

Where alerts go: email, Slack, Telegram, PagerDuty and friends.

Base URL `https://app.upfour.io/v1`. Send your key as `Authorization: Bearer <key>`; every key acts on your real Company, so [test without paging anyone](https://upfour.io/docs/api/testing.md). New here? Start with the [quickstart](https://upfour.io/docs/api/quickstart.md). The examples read the key from `UP4_API_KEY`.

## Everyday

[GET **List alert channels** /notification_channels](https://upfour.io/docs/api/notification-channels/list-alert-channels.md)[POST **Create an alert channel** /notification_channels](https://upfour.io/docs/api/notification-channels/create-an-alert-channel.md)[GET **Get an alert channel** /notification_channels/{channelID}](https://upfour.io/docs/api/notification-channels/get-an-alert-channel.md)[PUT **Update an alert channel** /notification_channels/{channelID}](https://upfour.io/docs/api/notification-channels/update-an-alert-channel.md)

## Control

[DEL **Delete an alert channel** /notification_channels/{channelID}](https://upfour.io/docs/api/notification-channels/delete-an-alert-channel.md)[POST **Test an alert channel** /notification_channels/{channelID}/test](https://upfour.io/docs/api/notification-channels/test-an-alert-channel.md)