> For the complete documentation index, see [llms.txt](https://docs.faspay.co.id/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.faspay.co.id/getting-started/faspay-sendme/authentication.md).

# Authentication

- [Header](https://docs.faspay.co.id/getting-started/faspay-sendme/authentication/header.md)
- [Authorization](https://docs.faspay.co.id/getting-started/faspay-sendme/authentication/authorization.md)
- [Signature](https://docs.faspay.co.id/getting-started/faspay-sendme/authentication/signature.md)
- [Generate signature token](https://docs.faspay.co.id/getting-started/faspay-sendme/authentication/signature/generate-signature-token.md)
- [Generate signature other service](https://docs.faspay.co.id/getting-started/faspay-sendme/authentication/signature/generate-signature-other-service.md)
- [HTTP Method](https://docs.faspay.co.id/getting-started/faspay-sendme/authentication/signature/http-method.md)
- [Relative URL](https://docs.faspay.co.id/getting-started/faspay-sendme/authentication/signature/relative-url.md)
- [Request Body](https://docs.faspay.co.id/getting-started/faspay-sendme/authentication/request-body.md)
- [Access Token](https://docs.faspay.co.id/getting-started/faspay-sendme/authentication/untitled.md)