> ## Documentation Index > Fetch the complete documentation index at: https://integration.wpay.com.au/llms.txt > Use this file to discover all available pages before exploring further. # Payment link expiration and statuses Your customer uses the payment link to create the payment. If the transaction is successful, the customer is redirected to the `return_url` you specified or an internal success screen otherwise. ## Statuses The page displays different content based on the status of the payment link. ### Generic error Either the payment link id provided is invalid or some other error occurred when loading the page (for example network error). Generic Error ### Payment link not found The payment link id provided is valid but the resource associated with it could not be found. Not Found ### Redirecting Embed has successfully processed the transaction and the page is redirecting the customer to the `return_url` or the internal success screen. Redirecting ### Payment successful (internal) The payment was successful and a `return_url` was not specified. Also displays if the payment link has already been used. Payment Successful ## Expiration By default, payment link expires in 24 hours. This can be configured separately by setting the `expires_at` field in the API. Once expired, a payment link no longer loads and instead shows the following screen. Expired