> Part of the walkerOS documentation. Project overview and full index: <https://www.walkeros.io/llms.txt>

# API Destination

Send walkerOS events to any HTTP(S) endpoint with customizable data transformation.

Where this fits

API is a **destination** in the walkerOS flow:

Sends events to any HTTP endpoint with customizable headers and data transformation.

## Environments[​](#environments "Direct link to Environments")

| Environment | Package                            | Use Case                           |
| ----------- | ---------------------------------- | ---------------------------------- |
| **Web**     | `@walkeros/web-destination-api`    | Browser-side with fetch/XHR/beacon |
| **Server**  | `@walkeros/server-destination-api` | Node.js with native HTTP           |

## Quick Start[​](#quick-start "Direct link to Quick Start")

Choose your environment:

* [Web (Browser)](/preview/pr-749/docs/destinations/api/web.md) - fetch, XHR, beacon transports
* [Server (Node.js)](/preview/pr-749/docs/destinations/api/server.md) - native HTTP/HTTPS