| Date | IP Address |
| 2015-11-09 | 54.153.43.144 (ClassC) |
| 2024-09-21 | 52.8.243.49 (ClassC) |
| 2025-02-20 | 13.56.92.53 (ClassC) |
| 2025-05-12 | 54.241.230.141 (ClassC) |
| 2025-06-06 | 54.193.91.124 (ClassC) |
| 2025-09-07 | 13.57.61.164 (ClassC) |
| 2025-09-23 | 54.176.115.26 (ClassC) |
| 2025-10-21 | 54.219.60.163 (ClassC) |
| 2025-11-19 | 52.8.127.205 (ClassC) |
| Date | Domain | IP |
| reference.promisepay.com | 2025-08-01 | 54.252.224.228 |
| secure.api.promisepay.com | 2024-09-21 | 52.8.243.49 |
| test.api.promisepay.com | 2025-11-02 | 52.52.241.215 |
| cdn.promisepay.com | 2015-03-22 | 54.192.89.217 |
| docs.promisepay.com | 2024-09-06 | 52.219.220.195 |
| status.promisepay.com | 2025-07-23 | 54.206.167.123 |
| www.promisepay.com | 2022-05-25 | 13.210.195.142 |