sigtap - Domain age checker: registration date, age in days and registrar via RDAP lookup
https://sigtap-outreach-api.sigtap.workers.dev/tools/domain-ageOverview
x402 USDC on Base - no signup, the wallet is the account. Free check: GET https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/domain-age returns a 200 sample. Paid call in 3 steps: GET https://sigtap-outreach-api.sigtap.workers.dev/tools/domain-age -> 402 challenge (payTo+amount) -> sign and retry with the X-PAYMENT header (@x402/fetch does this) -> 200 + settled on-chain. Catalog + MCP twin: GET /llms.txt on this origin.
Protocol
x402
Price
$0.0030
Payment Asset
USDC
Payment Network
Base
Category
tools
Provider
sigtap
Source
self-registered
Indexed
2026-09-07 01:25:04
Health
Status
healthy
Latency (p50)
513ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-10-23 21:48:53
Last Healthy
2026-10-23 21:48:53
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-23 21:48:53 | healthy | 402 | 1327ms | |
| 2026-10-22 23:12:57 | healthy | 402 | 466ms | |
| 2026-10-22 07:08:25 | healthy | 402 | 490ms | |
| 2026-10-21 23:53:51 | healthy | 402 | 554ms | |
| 2026-10-21 02:09:22 | healthy | 402 | 513ms |