SettlementWitness — Verifiable Agent Settlement Layer (Base)
https://defaultverifier.com/x402/settlement-witnessOverview
SettlementWitness is a settlement verification layer for agent commerce that produces cryptographically signed SAR (Settlement Attestation Receipt) records. It evaluates whether delivered output matches the requested specification and returns a portable, verifiable receipt that can be independently validated, including offline. Designed for payment, completion, and reputation flows across agent ecosystems.
Protocol
x402 (POST)
Price
$0.0000
Payment Asset
USDC
Payment Network
Base
Category
commerce/settlement
Provider
DefaultVerifier
Source
self-registered
Indexed
2026-03-22 17:28:44
Health
Status
healthy
Latency (p50)
486ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-07-30 12:46:14
Last Healthy
2026-07-30 12:46:14
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-07-30 12:46:14 | healthy | 402 | 524ms | |
| 2026-07-30 08:01:53 | healthy | 402 | 483ms | |
| 2026-07-30 03:56:53 | healthy | 402 | 478ms | |
| 2026-07-29 23:49:54 | healthy | 402 | 484ms | |
| 2026-07-29 18:54:55 | healthy | 402 | 515ms | |
| 2026-07-29 11:24:15 | healthy | 402 | 484ms | |
| 2026-07-29 08:01:43 | healthy | 402 | 503ms | |
| 2026-07-29 04:36:23 | healthy | 402 | 485ms | |
| 2026-07-29 00:01:18 | healthy | 402 | 480ms | |
| 2026-07-28 17:40:05 | healthy | 402 | 488ms | |
| 2026-07-28 16:19:15 | healthy | 402 | 508ms | |
| 2026-07-28 12:33:08 | healthy | 402 | 479ms | |
| 2026-07-28 06:57:17 | healthy | 402 | 512ms | |
| 2026-07-28 01:53:28 | healthy | 402 | 466ms | |
| 2026-07-27 22:13:12 | healthy | 402 | 486ms | |
| 2026-07-27 17:17:34 | healthy | 402 | 829ms |