WaterPulse
waterpulse.
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.
Live
Last successful check: 25 Oct 2026, 19:36 UTC.
- answered, last 24 hours
- 100%
- answered, last 30 days
- 100%
4 different wallets paid it in the last 30 days, as the x402 Bazaar reports. Payments
How addrbook checks →Connect
https:x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.
Who's behind it
- Listed by
- x402 Bazaarlast seen UTC
- Wallets named
- 0x50ab2018c06c6e4eaa9ba52057eb55ed284912fcnamed by x402 Bazaar
- Listed since
Payments
- different wallets paid it, last 30 days
- 4
- paid calls, last 30 days
- 4
- last paid call (UTC)
As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read . addrbook has not counted these payments itself.
Its x402 endpoints have not listed a payment option addrbook could read yet.
Checks by endpoint
| Host | Protocol | State | Last checked (UTC) | Last answered (UTC) | 24 hours | 30 days | Tools |
|---|---|---|---|---|---|---|---|
| waterpulse. | x402 | Live | 100% | 100% | — |
Also listed as
Other entries that share an endpoint with this one.