> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://learning.postman.com/llms.txt. # Authentication and authorization > Learn how to use Postman. Search the docs and support resources! ## Docs - [API authentication and authorization in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/authorization.md) - [Add and manage CA and client certificates in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/certificates.md) - [Add API authorization details to requests in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/specifying-authorization-details.md) - [Set up authorization for public APIs using Guided Auth](https://learning.postman.com/v11/docs/use/send-requests/authorization/authentication-for-public-apis.md) - [Authorization types supported by Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/authorization-types.md) - [Authenticate with Digest access authentication in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/digest-auth.md) - [Authenticate with OAuth 1.0 authentication in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/oauth-10.md) - [Authenticate with OAuth 2.0 authentication in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/oauth-20.md) - [Authenticate with Hawk access authentication in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/hawk-authentication.md) - [Authenticate with AWS Signature authentication workflow in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/aws-signature.md) - [Authenticate with Windows NTLM authentication in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/ntlm-authentication.md) - [Authenticate with Akamai EdgeGrid authentication in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/akamai-edgegrid.md) - [Authenticate with Atlassian S2S in Postman](https://learning.postman.com/v11/docs/use/send-requests/authorization/atlassian.md)