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waterpulse.theaslangroupllc.com water gauge
https://waterpulse.theaslangroupllc.com/api/water/gauge
answers 402, partial
Live USGS river-gauge tick, deterministic. Answers "what is the flow at this gauge right now", "is this river high or low vs this week". Returns the latest streamflow (discharge, cfs) and gage height (ft) for one USGS site plus the 7-day min/max range, reading count, site name and coordinates, straight from USGS instantaneous values. Unknown sites 404 before payment. No LLM, no key, public domain.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
It advertises 13 ways to pay and only 12 of them are usable.- Price
- $0.01
- Network
- base
- Pay to
- 0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 234 ms
- Payment options
- 12 usable of 13
- Last checked
- 2026-08-15T14:23:20.892Z (18h ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fwaterpulse.theaslangroupllc.com%2Fapi%2Fwater%2Fgauge"