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)
503ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-09-17 04:40:49
Last Healthy
2026-09-17 04:40:49
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-17 04:40:49 | healthy | 402 | 507ms | |
| 2026-09-16 15:35:05 | healthy | 402 | 571ms | |
| 2026-09-16 09:49:56 | healthy | 402 | 495ms | |
| 2026-09-16 03:54:02 | healthy | 402 | 487ms | |
| 2026-09-15 12:50:52 | healthy | 402 | 503ms | |
| 2026-09-15 08:42:00 | healthy | 402 | 490ms | |
| 2026-09-14 22:36:21 | healthy | 402 | 466ms | |
| 2026-09-14 14:45:54 | healthy | 402 | 786ms |