<table  border='1' width='40%'><tr><th>Input Text</th><th>SF Response</th></tr><tr><td>https://vvdntech.my.salesforce-sites.com/services/apexrest/CreateLead?data=%7B%22checkboxField%22%3Atrue%2C%22FirstName%22%3A%22Suvarna%20%20Mujumdar%22%2C%22LastName%22%3A%22%22%2C%22CompanyPhone%22%3A%229650552846%22%2C%22email%22%3A%22mujumdarsuvarna%40akgec.ac.in%22%2C%22helpYou%22%3A%22Need%20to%20join%20the%20course%22%2C%22CompanyName%22%3A%22Ajay%20Kumar%20Garg%20Engineering%20College%20Ghaziabad%20%22%2C%22role%22%3A%22Page%20Name%20%3A%20classroom-training%2C%20and%20region%20%3A%20Uttar%20Pradesh%2C%20India%22%2C%22lead_source%22%3A%22vvdntools%22%7D</td><td>[{"errorCode":"APEX_ERROR","message":"System.DmlException: Insert failed. First exception on row 0; first error: REQUIRED_FIELD_MISSING, Required fields are missing: [LastName]: [LastName]\n\nClass.CreateLeadApi.createLeadRecord: line 35, column 1"}]</td></tr></table>