sigtap - Weather API: current weather and next 3 hours temperature by lat, lon (open-meteo)
https://sigtap-outreach-api.sigtap.workers.dev/tools/weather?lat=test&lon=testOverview
x402 USDC on Base - no signup, the wallet is the account. Free check: GET https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/weather returns a 200 sample. Paid call in 3 steps: GET https://sigtap-outreach-api.sigtap.workers.dev/tools/weather?lat=test&lon=test -> 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 14:23:48
Health
Status
healthy
Latency (p50)
804ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-09-15 09:29:21
Last Healthy
2026-09-15 09:29:21
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 09:29:21 | healthy | 402 | 6104ms | |
| 2026-09-14 17:44:07 | healthy | 402 | 804ms | |
| 2026-09-14 16:26:58 | healthy | 402 | 830ms | |
| 2026-09-14 00:30:06 | healthy | 402 | 454ms | |
| 2026-09-13 17:52:46 | healthy | 402 | 761ms | |
| 2026-09-13 10:31:09 | healthy | 402 | 528ms | |
| 2026-09-13 04:08:50 | healthy | 402 | 6030ms | |
| 2026-09-12 19:21:25 | healthy | 402 | 540ms |