Documentation
One transfer, explicit boundaries.
The sending browser encrypts structured state. The service temporarily stores ciphertext. The receiving browser claims once, decrypts, validates and resumes.
Start here
Quickstart
First successful claim in about five minutes.
Errors
Stable codes and actions.
Security
Encryption, fragment, claim and app responsibilities.
Protocol limits
| Property | Value |
|---|---|
| Default TTL | 600 seconds |
| Allowed TTL | 60–1,800 seconds |
| Plaintext limit | 32 KiB |
| Claim | One successful receiver |
| Free quota | 500 successful claims / UTC month |
Integration contract
Use a stable lowercase app ID, explicit schema version, strict runtime validator and an Application Adapter. Reject unknown fields and confirm before replacing meaningful local state.