Hi , I completed merchant validation from server side and pass its response to session.completeMerchantValidation() method .. but whenever i passed response to it "payment not completed " popup occurred , i used verified domain and certificates for apple pay web . when i clicked on "buy now" button it shows processing at end of the payment dialog (instead of showing button ) after completing merchant validation it gives payment not completed dialog . so please help me for this. front end code for session begin and merchant validation const session_new = new ApplePaySession(10, ApplePayPaymentRequest); session_new.begin(); //const session_new = new ApplePaySession(8, ApplePayPaymentRequest); session_new.onvalidatemerchant = ({ validationURL }) = { //alert("onvalidatemerchant11"); fetch('merchant validation url', { method: 'POST', headers: { 'Accept': 'application/json', 'Content-Type': 'application/json' }, body: JSON.stringify({validationURL: validationURL}) }).then(res = res.json()) .then(json = { session_new.completeMerchantValidation(json); }).catch((error) = { alert(error+"------------- in line") }); response from merchant validation url { epochTimestamp: 1619001540582, expiresAt: 1619005140582, merchantSessionIdentifier: 'SSHC6E3C328776A428687B2FEC0D1E02475_916523AAED1343F5BC5815E12BEE9250AFFDC1A17C46B0DE5A943F0F94927C24', nonce: 'dca42609', merchantIdentifier:'1736CEED7C7DF9B168D4D468C892DCEFFAD89C0D8FD5F03FC60F7131FE82B9BF', domainName: 'my verified domain name', signature: '308006092a864886f70d010702a0803080020101310f300d06096086480165030402010500308006092a864886f7.......', operationalAnalyticsIdentifier: 'apple signin:1736CEED7C7DF9B168D4........', retries: 0 } if something wrong with my code then also let me know