M3rvteyj0exaioijkv1qilcjhbgcioijiuzi1nij9m4t3c1... Apr 2026

: Defines the token type and the hashing algorithm (like the "HS256" in your string).

JSON Web Tokens are an open, industry-standard RFC 7519 method for representing claims securely between two parties. They are most commonly used for and information exchange . m3rvteyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9m4t3c1...

: A JWT consists of three parts separated by dots ( . ): : Defines the token type and the hashing

: Contains the "claims," which are statements about an entity (typically a user) and additional data. : A JWT consists of three parts separated by dots (

: Your string may be a functional access token. Never share full JWT strings publicly , as they can sometimes be used to hijack active sessions or expose private user data.

: Created by taking the encoded header, payload, and a secret key to ensure the sender is who they say they are and that the message wasn't changed.

To see what information is stored inside a specific (non-sensitive) token, you can use a tool like the JWT.io Debugger .