add api playground examples

Author: tanmay

api-playground/json/payments/billpay/api-integration/CancelUPMSRegistration.json

@@ -0,0 +1,14 @@
+{
+    "parameters": {
+        "header": [
+            {
+                "X-PARTNER-ID": "1010225520484287807"
+            }
+        ],
+        "path": [
+            {
+                "upmsRegistrationRefID": "SETUUPMSREFIDEXAMPLE123456789012345"
+            }
+        ]
+    }
+} 

api-playground/json/payments/billpay/api-integration/SimulateBillNotification.json

@@ -0,0 +1,14 @@
+{
+    "parameters": {
+        "header": [
+            {
+                "X-PARTNER-ID": "1010225520484287807"
+            }
+        ],
+        "path": [
+            {
+                "upmsRegistrationRefID": "SETUUPMSREFIDEXAMPLE123456789012345"
+            }
+        ]
+    }
+} 

api-playground/json/payments/billpay/api-integration/SimulateSkipPaymentNotification.json

@@ -0,0 +1,14 @@
+{
+    "parameters": {
+        "header": [
+            {
+                "X-PARTNER-ID": "1010225520484287807"
+            }
+        ],
+        "path": [
+            {
+                "billRefId": "SETUBILLREFIDEXAMPLE123456789012345"
+            }
+        ]
+    }
+} 

api-playground/json/payments/billpay/api-integration/UpdateUPMSRegistration.json

@@ -0,0 +1,24 @@
+{
+    "parameters": {
+        "header": [
+            {
+                "X-PARTNER-ID": "1010225520484287807"
+            }
+        ],
+        "path": [
+            {
+                "upmsRegistrationRefID": "SETUUPMSREFIDEXAMPLE123456789012345"
+            }
+        ]
+    },
+    "body": {
+        "mandate": {
+            "registrationType": "AUTO_PAY",
+            "toDate": "2027-01-01",
+            "debitInfo": {
+                "amount": 10000,
+                "type": "MAX_AMOUNT"
+            }
+        }
+    }
+} 

api-playground/json/payments/billpay/api-integration/ViewUPMSRegistration.json

@@ -0,0 +1,14 @@
+{
+    "parameters": {
+        "header": [
+            {
+                "X-PARTNER-ID": "1010225520484287807"
+            }
+        ],
+        "path": [
+            {
+                "upmsRegistrationRefID": "SETUUPMSREFIDEXAMPLE123456789012345"
+            }
+        ]
+    }
+}