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JWT Sign

Signs a JSON object as a JSON Web Token using a provided secret / private key. The key should be either the secret for HMAC algorithms or the PEM-encoded private key for RSA and ECDSA. JWT Sign lives in the Cryptography category of the fx menu. See JSON Web Token (JWT) for format details.

Parameters

Section titled “Parameters”
ParameterTypeRequiredDefaultDescription
Inputstringyes—Value to transform. Previous step output or a literal.
Private/Secret KeystringnosecretArgument value for this operation.
Signing algorithmstringnoHS256Choose one of: HS256, HS384, HS512, RS256, RS384, RS512, and 4 more.

Input is the primary value (previous step output or a literal).

Returned value

Section titled “Returned value”
TypeDescription
stringResult of the JWT Sign transformation.

Limitations

Section titled “Limitations”
  • Wrong key, algorithm options, or malformed input typically raises an evaluation error — fix Input or options before re-running.

Example

Section titled “Example”
Run JWT Sign

Signs a JSON object as a JSON Web Token using a provided secret / private key. Adjust optional parameters when the defaults do not match your payload.

  1. Set Input to the value to transform (previous step output or a literal).

  2. Review Private/Secret Key, Signing algorithm and keep defaults unless your format requires otherwise.

  3. Confirm Output value shows the transformed result.