Overview
Timestamp documents on Bitcoin via OP_RETURN. 5 actions at POST certvera.com/api/l402: (1) l402_timestamp - anchor a SHA-256 hash, 25k sats L402. (2) l402_timestamp with file_data - upload and hash a file, 30k sats L402. (3) l402_timestamp_verify - check if hash exists on-chain, free. (4) l402_timestamp_status - check pending/confirmed status, free. (5) l402_timestamp_update - subscribe to webhook/email notifications, 10 sats L402. Immutable proof of existence, no account needed.
Protocol
L402
Price
$17.50
Payment Asset
BTC
Payment Network
Lightning
Category
identity
Provider
Paul
Source
satring
Indexed
2026-03-17 18:59:38
Health
Status
degraded
Latency (p50)
515ms
Uptime (30d)
100.0%
Reliability Score
75/100
Last Checked
2026-08-27 00:47:14
Last Healthy
Never
Consecutive Failures
41
Macaroon Format
Format
Not yet detected
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-08-27 00:47:14 | degraded | 400 | 488ms | |
| 2026-08-26 09:04:37 | degraded | 400 | 529ms | |
| 2026-08-26 03:08:49 | degraded | 400 | 510ms | |
| 2026-08-25 14:41:54 | degraded | 400 | 525ms | |
| 2026-08-25 12:40:18 | degraded | 400 | 515ms | |
| 2026-08-25 00:13:00 | degraded | 400 | 490ms | |
| 2026-08-24 18:49:25 | degraded | 400 | 519ms | |
| 2026-08-24 10:31:33 | degraded | 400 | 596ms | |
| 2026-08-24 05:24:44 | degraded | 400 | 480ms |