Inkless vs OpenSign
| Inkless | OpenSign | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | £30/mo | Free |
| Open source | No | No |
| Platforms | Web | api |
| Free plan | No | Yes |
| Embedded signing | Yes | — |
| Identity verification | Yes | — |
| Workflow status API | Yes | — |
| Webhook event types | 17 | — |
| Signed-file retrieval | Yes | — |
| Sandbox environment | Yes | — |
Both are listed in Best Digital Signature API Software. On The Geeks Club, OpenSign scores higher on our published basis.