diff --git a/crates/router/src/connector/cryptopay.rs b/crates/router/src/connector/cryptopay.rs
index fd324fcc68b8..2387a9bf4019 100644
--- a/crates/router/src/connector/cryptopay.rs
+++ b/crates/router/src/connector/cryptopay.rs
@@ -295,16 +295,10 @@ impl ConnectorIntegration<api::PSync, types::PaymentsSyncData, types::PaymentsRe
         req: &types::PaymentsSyncRouterData,
         connectors: &settings::Connectors,
     ) -> CustomResult<String, errors::ConnectorError> {
-        let connector_id = req
-            .request
-            .connector_transaction_id
-            .get_connector_transaction_id()
-            .change_context(errors::ConnectorError::MissingConnectorTransactionID)?;
-
+        let custom_id = req.connector_request_reference_id.clone();
         Ok(format!(
-            "{}/api/invoices/{}",
-            self.base_url(connectors),
-            connector_id
+            "{}/api/invoices/custom_id/{custom_id}",
+            self.base_url(connectors)
         ))
     }