Jira Task : INVER-47 SS2.0 module N/https/clientCertificate holds the answer. Instead of using https.post() use clientCertificate.post() which can send SSL requests with a digital certificate. define([‘N/https/clientCertificate’], /** * @param{clientCertificate} clientCertificate */ (clientCertificate) => { /* 1st create certificate in NetSuite UI (Setup > Pereferences > Certificates) */ const certId = ‘custcertificate_xy’; /* 2nd use certificates… Continue reading How can I use a Certificate file in NetSuite to sign a HTTP request with Suitescript?