JSON Web Token

JSON Web Tokens (JWT) are a JWS with a set of reserved claims to be used in a standardized manner.

JWT Reserved Claims

Claim	Name	Format	Usage
‘exp’	Expiration	int	The time after which the token is invalid.
‘nbf’	Not Before	int	The time before which the token is invalid.
‘iss’	Issuer	str	The principal that issued the JWT.
‘aud’	Audience	str or list(str)	The recipient that the JWT is intended for.
‘iat’	Issued At	int	The time at which the JWT was issued.