Marketplace · API · x402

api.vextorium.com/v1/atmospheric-co2

Atmospheric CO2 concentration measured by NOAA at Mauna Loa: latest monthly ppm, yearly change, comparison with 10 years ago and with NOAA's first record (May 1974), and the recent series. U.S. Government data.

Endpoint	`https://api.vextorium.com/v1/atmospheric-co2`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
scheme	exact
pay to	HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2
method	POST
last updated	2026-11-07T02:15:27.768Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.vextorium.com/v1/atmospheric-co2
# 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-a5434a9c3ee3ad47

Search the whole marketplace from your agent (MCP)

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