Postman vs WhoisJSON API
| Postman | WhoisJSON API | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | Yes | No |
| Paid from | $9/mo | $10/mo |
| Open source | No | No |
| Platforms | extension, Linux, macOS, Web, Windows | — |
| Free plan | Yes | Yes |
| GraphQL support | Yes | — |
| API documentation | — | Yes |
Both are listed in Best API Clients. On Freedom251, Postman scores higher on our published basis.