How long does an IPN URL change take?

[crossle86]

I have updated my IPN URL but when I resend transactions to test, the IPN system continues to use the old URL. Is there a delay before IPN uses the changed URL?

[crossle86 · Accepted solution]

It dawned on me that I was testing by resending an IPN transaction and the old transaction is remembering where it was sent (old url) and sending there again. I need a new transaction which would use the new url.