| Date | IP Address |
| 2023-11-07 | 23.194.127.169 (ClassC) |
| 2024-10-28 | 23.54.19.170 (ClassC) |
| 2024-12-23 | 23.192.230.148 (ClassC) |
| 2025-04-25 | 23.55.167.8 (ClassC) |
| 2026-02-09 | 23.192.230.133 (ClassC) |
| Date | Domain | IP |
| api.schwabapi.com | 2023-08-16 | 104.100.168.224 |
| vnext.schwabapi.com | 2023-08-25 | 23.34.172.155 |
| sandbox.schwabapi.com | 2024-10-28 | 23.54.19.170 |