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)
491ms
Uptime (30d)
100.0%
Reliability Score
80/100
Last Checked
2026-05-09 03:03:08
Last Healthy
Never
Consecutive Failures
18
Macaroon Format
Format
Not yet detected
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-05-09 03:03:08 | degraded | 403 | 486ms | |
| 2026-05-09 00:12:42 | degraded | 403 | 500ms | |
| 2026-05-08 20:42:06 | degraded | 403 | 490ms | |
| 2026-05-08 16:05:57 | degraded | 403 | 486ms | |
| 2026-05-08 10:42:00 | degraded | 403 | 1010ms | |
| 2026-05-08 08:47:45 | degraded | 403 | 864ms | |
| 2026-05-08 04:31:50 | degraded | 403 | 491ms | |
| 2026-05-07 23:57:02 | degraded | 403 | 485ms | |
| 2026-05-07 20:52:07 | degraded | 403 | 840ms | |
| 2026-05-07 16:43:45 | degraded | 403 | 490ms | |
| 2026-05-07 14:26:19 | degraded | 403 | 482ms | |
| 2026-05-07 09:52:01 | degraded | 403 | 478ms | |
| 2026-05-07 04:34:12 | degraded | 403 | 482ms | |
| 2026-05-07 00:37:15 | degraded | 403 | 495ms | |
| 2026-05-06 23:07:28 | degraded | 403 | 485ms | |
| 2026-05-06 17:44:35 | degraded | 403 | 509ms | |
| 2026-05-06 15:28:40 | degraded | 403 | 1064ms | |
| 2026-05-06 13:45:19 | degraded | 403 | 889ms | |
| 2026-05-06 11:12:56 | degraded | 403 | 487ms | |
| 2026-05-06 07:51:37 | degraded | 403 | 870ms |