> For the complete documentation index, see [llms.txt](https://docs.gapvelocity.ai/webmap/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.gapvelocity.ai/webmap/winforms/extend-or-modify-the-converted-application/nowebmap-forms-winforms/call-the-custom-api.md).

# Call the custom API

Now, from the new added form, is possible to call the API

<figure><img src="https://4139013925-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MEOm98BbzqckTUoLpXN%2Fuploads%2FWsMIUYfBjWpeSkTf4Erj%2Fimage.png?alt=media&amp;token=eb72137a-e039-4c98-b88b-e9e4d3ddc547" alt=""><figcaption><p>Calling the API from the added component</p></figcaption></figure>

**Is very important to use the headers like the image to avoid the queue of the webmap architecture.**
