Marketplace · API · x402

x402-seller.onrender.com/water/streamflow

Real-time river and stream conditions at a USGS stream gauge — current streamflow/discharge (cubic feet per second) and gauge height/water level/stage (feet), i.e. how much water is flowing and how high it is right now. Data is provisional and subject to revision. Requires a USGS site number (e.g. 09380000 = Colorado River at Lees Ferry, AZ).

Endpoint	`https://x402-seller.onrender.com/water/streamflow`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~599 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xbd61dfb01f81c91f02b0ccd51b0220e0c8918639
method	GET
last updated	2026-11-12T04:50:46.952Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402-seller.onrender.com/water/streamflow
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-36f7f037de7b8b48

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}