> For the complete documentation index, see [llms.txt](https://developers.doku.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.doku.com/get-started-with-doku-api/signature-component/non-snap.md).

# Non-SNAP

- [Signature Component from Request Header](https://developers.doku.com/get-started-with-doku-api/signature-component/non-snap/signature-component-from-request-header.md): To generate a Signature in request header, merchant need to prepare these components:
- [Signature Componen from Response Header](https://developers.doku.com/get-started-with-doku-api/signature-component/non-snap/signature-componen-from-response-header.md): To validate a signature in response header, merchant need to see and check these components.
- [Signature from API Get Method](https://developers.doku.com/get-started-with-doku-api/signature-component/non-snap/signature-from-api-get-method.md)
- [Sample Code](https://developers.doku.com/get-started-with-doku-api/signature-component/non-snap/sample-code.md)