Comparisons
svc.nz stores versioned bytes behind capability tokens sent in an Authorization header. Reading or writing a box that already exists needs only that box's token, and creating a new box or account is invite-only for now. It is not a general object store or a notification service.
| Service | Accounts | SDK | Capability auth | Versioning | Encryption | Agent ready | Operator burden | Abuse posture |
|---|---|---|---|---|---|---|---|---|
| transfer.sh | No | No | Link secret | No | Client-provided | Low | Hosted | Host policy |
| 0x0.st | No | No | Link secret | No | No | Low | Hosted | Host policy |
| ntfy.sh | Optional | No | Topic secret | No | No | Medium | Hosted/self-host | Documented |
| webhook.site | Optional | No | URL secret | Request log | No | Medium | Hosted | Hosted policy |
| R2/S3 | Yes | Usually | IAM/signed URL | Optional | Server/client | Medium | Accountable operator | Accountable operator |
| GitHub Gist | Yes | API | Account/token | Git history | No | Low | Hosted | Platform policy |
| svc.nz | Invite only | No | Authorization header | Every PUT | Optional client-side | High | Self-hostable | Published policies |