https://securegw-stage.paytm.in/theia/api/v1/initiateTransaction?mid=Goodwi50344167019265&orderId=ORDER_ID_4<pre>{"body":{"requestType":"NATIVE_ST","mid":"Goodwi50344167019265","websiteName":"WEBSTAGING","orderId":"ORDER_ID_4","callbackUrl":"https://tt-backend.nscript.com/payments/paytm_ret.php","validateAccountNumber":"true","allowUnverifiedAccount":"false","accountNumber":"6298XXXX4220","enablePaymentMode":[{"mode":"UPI","channels":["UPI","UPIPUSH","UPIPUSHEXPRESS"]}],"txnAmount":{"value":"1.00","currency":"INR"},"userInfo":{"custId":"0001"}},"head":{"signature":"j7m3TLTXT8qiBTyDtap4NmeCHcbX52p2weyYLbGslOtBPgakeLaz4w2MQ5j5olSEbzUXK0OqBfkbAy3ASieEgwhQuXaeS/i6VOsiMHHxPaA="}}</pre><br/>Response:-----------<pre>{"head":{"requestId":null,"responseTimestamp":"1775089608323","version":"v1"},"body":{"extraParamsMap":null,"resultInfo":{"resultStatus":"F","resultCode":"2006","resultMsg":"Mid is invalid"}}}</pre>