# Authentication

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