# Response

Once the transaction is complete, the user will be redirected to the given request URL.

* If the transaction is successful, user will be redirected automatically to given success\_url
* If transaction gets failed, user will be redirected to the provided failure\_url

In both cases, payment\_id will be provided as a query parameter; hence you can use this payment\_id as transaction\_id to retrieve transaction details and status information from the given API.

More details about API is explained in [API reference section](https://docs.paykun.com/technical-guide/api-encryption-key-guide).