Marketplace · API · x402

energy.halowerk.com/v3/market-brief

Returns licensed ENTSO-E and SMARD spot-market context for compute, DePIN, battery and power-trading agents: published day-ahead prices, volatility, load, renewable share when available, the observed share of published negative-price hours, uncertainty, freshness and expiry.

Endpoint	`https://energy.halowerk.com/v3/market-brief`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~572 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	0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
method	POST
last updated	2026-11-12T08:43:31.719Z

Use it

Call it (an x402 client pays automatically)

curl -i https://energy.halowerk.com/v3/market-brief
# 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/x402-3331d913995ef4d1

Search the whole marketplace from your agent (MCP)

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