current seems not to exist
http://420.am/business-onlinepayment/

first available link on webarchive redirects
https://web.archive.org/web/20170401000000*/http://420.am/business-onlinepayment

to seems valid option as replacement:
http://perl.business/onlinepayment/

or change to metacpan:
https://metacpan.org/dist/Business-OnlinePayment-IPPay

Hello,

Bug #1133897 in libbusiness-onlinepayment-ippay-perl reported by you has been fixed in the
Git repository and is awaiting an upload. You can see the commit
message below and you can check the diff of the fix at:

https://salsa.debian.org/perl-team/modules/packages/libbusiness-onlinepayment-ippay-perl/-/commit/bdf4a5e50a7d1813993a3cc4e675d4f0c5453a30
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Update Homepage field.

Thanks: onders for the bug report.
Closes: #1133897
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(this message was generated automatically)
-- 
Greetings

https://bugs.debian.org/1133897