sigtap - JWT decoder: decode a JSON web token header and payload, with safety flags (never verifies
https://sigtap-outreach-api.sigtap.workers.dev/tools/jwt-decodeOverview
x402 USDC on Base - no signup, the wallet is the account. Free check: GET https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/jwt-decode returns a 200 sample. Paid call in 3 steps: GET https://sigtap-outreach-api.sigtap.workers.dev/tools/jwt-decode -> 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
$0.0010
Payment Asset
USDC
Payment Network
Base
Category
tools
Provider
sigtap
Source
self-registered
Indexed
2026-09-05 12:51:52
Health
Status
healthy
Latency (p50)
654ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-09-15 07:19:25
Last Healthy
2026-09-15 07:19:25
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-15 07:19:25 | healthy | 402 | 656ms | |
| 2026-09-15 01:09:58 | healthy | 402 | 654ms | |
| 2026-09-14 16:17:59 | healthy | 402 | 613ms | |
| 2026-09-14 00:19:43 | healthy | 402 | 544ms | |
| 2026-09-13 20:56:16 | healthy | 402 | 490ms | |
| 2026-09-13 12:51:37 | healthy | 402 | 6041ms | |
| 2026-09-13 04:54:43 | healthy | 402 | 684ms | |
| 2026-09-12 10:00:51 | healthy | 402 | 73ms |