Create PDF with picsapi.com (google app script code)

getCertificate.js

function getCertificate(name, date) {
//=getCertificate(B2,C2)
  var formData = {
    transformations: {
      date:{text:date},
      name:{text:name}
    },
    template_id:'<template-id>',
    format:'pdf'
  }

  var options = {
    'method': 'post',
    'contentType': 'application/json',
    'payload': JSON.stringify(formData),
     muteHttpExceptions: true,
  }

  console.log(options);

  let api_key = '<api-token>';

  options.headers = {"Authorization": "Bearer " + api_key};


  var response = UrlFetchApp.fetch('https://api.picsapi.com/v1/make', options);

  var responseCode = response.getResponseCode()

  console.log(response.getContentText());

  if(responseCode != 200) {
    return false;
  }
  else {
    var data = JSON.parse(response.getContentText());
    console.log(data);
    return data.data.url;
  }

}