https://www.jetbrains.com/help/youtrack/devportal/authentication-with-permanent-token.html
Configure permanent token authentication for YouTrack API access. Generate tokens and implement secure authorization for integrations.
developer portalpermanenttokenauthorizationyoutrack
https://www.ietf.org/archive/id/draft-ietf-oauth-rfc7523bis-03.html
This specification updates the requirements for audience values in OAuth 2.0 Client Assertion Authentication and Assertion-based Authorization Grants to...
json web tokenupdatesoauthjwtclient