<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%22Dhruv%20Patel%22%2C%22LastName%22%3A%22%22%2C%22CompanyPhone%22%3A%227454882637%22%2C%22email%22%3A%22Dhruvcodehell%40gmail.com%22%2C%22helpYou%22%3A%22Want%20to%20create%20a%20code%20in%20a%20single%20%5Bo%5D%20loop.%20%5Cr%5CnReduce%20the%20time%20as%20much%20possible.%22%2C%22CompanyName%22%3A%22Amity%20university%20noida%22%2C%22role%22%3A%22Page%20Name%20%3A%20classroom-training%2C%20and%20region%20%3A%20Haryana%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>