Postman JWT token generator

Use script below to generate and set JWT token with HS256 signature and store it in “jwt” environment variable. To use it edit SECRET_KEY and set headers as you need. Then paste the script into pre-request script in postman HTTP request definition. Use the environment variable {{jwt}} in your authentication of type Bearer to use it.

You can check the result token in And you can read all about JWT and their signing at .

Code taken/was derived from