Ory is the largest open source community in the world for cloud software application security. We maintain advanced open source security software solving authentication, authorization, access control, application network security, and delegation. Ory implements a variety of industry and best-practice standards including OAuth 2.0 / OAuth 2.1, OpenID Connect, Zero Trust Networking, Google Zanzibar Policy Framework, FIDO2 U2F, WebAuthn, TOTP, and more.

Ory Community

Hey, we have a lot of resources for nodeJS.

There is also a document about the Kratos session token: <https://www.ory.sh/kratos/docs/next/concepts/session/>

Are you giving 3rd parties access to your users data or are you mainly doing login / registration and similar flows?

Check out the hooks:
<https://www.ory.sh/kratos/docs/next/self-service/hooks/#registration>