the402 endpoint detail

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waterpulse.theaslangroupllc.com water supply-snapshot

https://waterpulse.theaslangroupllc.com/api/water/supply-snapshot

answers 402, partial

Deterministic water-supply numbers snapshot for a US state — latest USGS groundwater well readings (depth-to-water) and current US Drought Monitor D0-D4 breakdown. No LLM, no web search. The $0.50 /api/water/supply-brief adds reservoir storage, utility outlook, restrictions, rate trajectory, and a synthesized 5-year risk rating.

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
$0.25
Network
base
Pay to
0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
190 ms
Payment options
12 usable of 13
Last checked
2026-08-15T14:33:00.101Z (6d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fwaterpulse.theaslangroupllc.com%2Fapi%2Fwater%2Fsupply-snapshot"