diff --git a/crates/api_models/src/enums.rs b/crates/api_models/src/enums.rs
index d3d83d18bf..ba69da857f 100644
--- a/crates/api_models/src/enums.rs
+++ b/crates/api_models/src/enums.rs
@@ -461,9 +461,9 @@ pub enum FieldType {
     UserAddressState,
     UserAddressCountry,
     UserBlikCode,
-    FieldsComplete,
     UserBillingName,
     UserBank,
+    UserCurrency { options: Vec<String> },
     Text,
     DropDown { options: Vec<String> },
 }
diff --git a/crates/router/src/configs/defaults.rs b/crates/router/src/configs/defaults.rs
index 8495186a4a..cb14b37b65 100644
--- a/crates/router/src/configs/defaults.rs
+++ b/crates/router/src/configs/defaults.rs
@@ -694,6 +694,55 @@ impl Default for super::settings::RequiredFields {
                     ),
                 ])),
             ),
+            (
+                enums::PaymentMethod::Crypto,
+                PaymentMethodType(HashMap::from([
+                    (
+                        enums::PaymentMethodType::CryptoCurrency,
+                        ConnectorFields {
+                            fields: HashMap::from([
+                                (
+                                    enums::Connector::Cryptopay,
+                                    RequiredFieldFinal {
+                                        mandate : HashMap::new(),
+                                        non_mandate: HashMap::new(),
+                                        common : HashMap::from([
+                                            (
+                                                "payment_method_data.crypto.pay_currency".to_string(),
+                                                RequiredFieldInfo {
+                                                    required_field: "payment_method_data.crypto.pay_currency".to_string(),
+                                                    display_name: "currency".to_string(),
+                                                    field_type: enums::FieldType::UserCurrency{
+                                                        options: vec![
+                                                            "BTC".to_string(),
+                                                            "LTC".to_string(),
+                                                            "ETH".to_string(),
+                                                            "XRP".to_string(),
+                                                            "XLM".to_string(),
+                                                            "BCH".to_string(),
+                                                            "ADA".to_string(),
+                                                            "SOL".to_string(),
+                                                            "SHIB".to_string(),
+                                                            "TRX".to_string(),
+                                                            "DOGE".to_string(),
+                                                            "BNB".to_string(),
+                                                            "BUSD".to_string(),
+                                                            "USDT".to_string(),
+                                                            "USDC".to_string(),
+                                                            "DAI".to_string(),
+                                                        ]
+                                                    },
+                                                    value: None,
+                                                }
+                                            ),
+                                        ]),
+                                    }
+                                ),
+                            ]),
+                        },
+                    ),
+                ])),
+            ),
             (
                 enums::PaymentMethod::BankDebit,
                 PaymentMethodType(HashMap::from([(
diff --git a/openapi/openapi_spec.json b/openapi/openapi_spec.json
index 9b80657b80..79131df656 100644
--- a/openapi/openapi_spec.json
+++ b/openapi/openapi_spec.json
@@ -4883,12 +4883,6 @@
               "user_blik_code"
             ]
           },
-          {
-            "type": "string",
-            "enum": [
-              "fields_complete"
-            ]
-          },
           {
             "type": "string",
             "enum": [
@@ -4901,6 +4895,28 @@
               "user_bank"
             ]
           },
+          {
+            "type": "object",
+            "required": [
+              "user_currency"
+            ],
+            "properties": {
+              "user_currency": {
+                "type": "object",
+                "required": [
+                  "options"
+                ],
+                "properties": {
+                  "options": {
+                    "type": "array",
+                    "items": {
+                      "type": "string"
+                    }
+                  }
+                }
+              }
+            }
+          },
           {
             "type": "string",
             "enum": [