Name: EU Energy Decision API for EV, Battery & Trading Agents
One-line: executable German/EU electricity decisions with exact timing, expected EUR value, confidence and expiry.
Free poll: GET /predict/negative-price reveals only whether a fresh actionable signal exists and its probability band.
Verified paid products are listed below with their current USDC price and buyer purpose.
Payment: x402 v2, USDC on Base Mainnet, canonical PAYMENT-REQUIRED / PAYMENT-SIGNATURE / PAYMENT-RESPONSE headers. No API key. No account.
Freshness rule: stale or expired decisions return 503 and are not settled.
Base URL: https://energy.halowerk.com
Purchase quickstart: https://energy.halowerk.com/examples/quickstart
Verified Node.js buyer: https://energy.halowerk.com/examples/buy-nodejs
Verified Python buyer: https://energy.halowerk.com/examples/buy-python
Verified curl + signing helper buyer: https://energy.halowerk.com/examples/buy-curl
General docs: https://energy.halowerk.com/docs
Marketplace OpenAPI: https://energy.halowerk.com/openapi.json
Full technical OpenAPI: https://energy.halowerk.com/openapi-full.json
MCP: https://energy.halowerk.com/mcp
x402 Manifest: https://energy.halowerk.com/.well-known/x402.json
Pricing: https://energy.halowerk.com/pricing
Trust record: https://energy.halowerk.com/trust/dashboard
Sources: https://energy.halowerk.com/sources
Recipient: 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E

Verified paid endpoints:
POST /v3/dispatch-plan | 0.02 USDC | Schedules a deadline-bound compute, DePIN, battery or power-trading workload into an actionable German or European power window. Returns exact timing, expected EUR cost and savings, uncertainty, freshness, expiry and decision trace.
POST /v3/market-brief | 0.05 USDC | 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.