To sign data with Postman, select the following request.

PKIHub API / raw / partitions / {partid} / tokens / {tokenid} / keys / {keyid} / signatures / Sign Digest

Params

Select the Params tab of the content pane to configure the following settings.

Type	Key	Value
Path Variables	partId	Paste the Organization ID value obtained in Getting API credentials.
Path Variables	tokenid	One of the token identifiers previously obtained in Getting a virtual token identifier with Postman .
Path Variables	keyid	One of the key identifiers previously obtained in Getting a signing key identifier with Postman.

Body

Select the Body tab of the content pane to configure the following parameters.

Parameter	Value
hash	The hash value of the data to be signed. See Generating a data digest for how to generate these data.
hahsType	The identifier of the algorithm used to hash the data.

For example:

{
 "hashType": "SHA256",
 "hash": "8sobtsfpB9Btr+Roflefznazfk6Tt2BQItpS5szCb9I="
}

Click Save to make the changes permanent

Result

Click Send to send the request. The Body tab of the results pane will display a response like the following.

{
 "result": "a6hk7XF9nm1TtSB6gL6BY5siytcFjUM+6xU5wSfiFHsbyWUhenQxqUFvIlW02O0iOCyMLAICjWFeIksxUZkkVvlYz3TCV1THMoiBeVrQRpihMdjNw2DtKK2czdBWdjtftQGh1RmdYVs8eNTbGt6t1mcMEjPBw569ks6NlkC/aN2j3nK25NOlm6YFCZtfIasuyFuERb8JerEyx1nS7UE2RIVn3HnyIraiTjKZ5mRZXvNcwqT1ptZ4tTdfwjPMD8vylPWCCSxVvCy4US+fuJvkgmIjZ21u+DiQfSYGxcDXVIgPfRpiQ3b3GCPKuJC9JOy25R5ZPhCSgJOuz9gMa9k8oQ=="
}