Docs: Adding redirect url details (#5507)

Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>
Co-authored-by: Sanchith Hegde <22217505+SanchithHegde@users.noreply.github.com>

api-reference/introduction.mdx

@@ -49,3 +49,16 @@ Hyperswitch handles the complex functionality of a comprehensive payments flow t
 | failed                   | The payments object transitions to a failed state when the payment processor confirms the processing failure.                                                                                               |
 | expired                  | You can expire the payments object while it is in any state except when it is under ‘processing’ or ‘succeeded’ state.                                                                                      |
   <img src="assets/images/image.png" />
+
+## Redirect URL
+This is what a url looks like after redirection
+
+  ```https://app.hyperswitch.io?status=succeeded&payment_intent_client_secret=pay_NCv9vc19f8aa75OpFxH8_secret_V4zAc7V0C8WAw6FECMKM&amount=10000&manual_retry_allowed=false&signature=4fae0cfa775e4551db9356563d4b98b55662fe3c1c945fe215d90ccf3541282c535909ae901d82174d6b1e46ba1684aa0aa4c8861be0e2a9ef6f950a975d5014&signature_algorithm=HMAC-SHA512```
+
+The available parameters are as follows:
+
+- **status** - can have values of `succeeded`, `processing`and `failed`.
+- **payment_intent_client_secret** - This is the client secret associated with the payment. This can be used to retrieve the payment status from hyperswitch.
+- **manual_retry_allowed** - whether this payment can be retried or not.
+- **signature** - A HMAC signature of the payload, this can be verified using the `payment_response_hash_key`.
+- **signature_algorithm** - The HMAC algorithm used to calculate the signature.

api-reference/openapi_spec.json

@@ -14863,17 +14863,6 @@
               }
             }
           },
-          {
-            "type": "object",
-            "required": [
-              "paypal"
-            ],
-            "properties": {
-              "paypal": {
-                "type": "object"
-              }
-            }
-          },
           {
             "type": "object",
             "required": [

crates/api_models/src/payments.rs

@@ -2985,7 +2985,6 @@ where
                 | PaymentMethodDataResponse::MandatePayment {}
                 | PaymentMethodDataResponse::GiftCard {}
                 | PaymentMethodDataResponse::PayLater(_)
-                | PaymentMethodDataResponse::Paypal {}
                 | PaymentMethodDataResponse::RealTimePayment {}
                 | PaymentMethodDataResponse::Upi {}
                 | PaymentMethodDataResponse::Wallet {}
@@ -3012,7 +3011,6 @@ pub enum PaymentMethodDataResponse {
     BankTransfer {},
     Wallet {},
     PayLater(Box<PaylaterResponse>),
-    Paypal {},
     BankRedirect {},
     Crypto {},
     BankDebit {},