{"ok":true,"service":"EU Energy Decision API","purpose":["EU power dispatch for wallet-enabled compute, DePIN, battery and power-trading agents.","Run the public preflight without payment, then buy exact timing, expected EUR savings, uncertainty, freshness and expiry.","Paid plans settle through x402 V2 with canonical USDC on Base. No API key and no account."],"first_read_this":"https://energy.halowerk.com/discovery-status","payment_flow":["Send request to a paid endpoint.","Receive HTTP 402 with x402 payment requirements.","Pay in USDC on Base through a compatible x402 wallet or facilitator.","Retry with PAYMENT-SIGNATURE. Compatibility aliases X-Payment and PAYMENT are accepted.","Receive the paid JSON result after verification."],"no_api_keys":true,"no_accounts":true,"free_signal_index":{"method":"GET","url":"https://energy.halowerk.com/predict/negative-price","path":"/predict/negative-price","price_usdc":"0","payment_required":false,"purpose":"Free poll endpoint. Reveals whether a fresh actionable signal exists, its probability band and expiry, but withholds exact probability, action, time window and expected value until paid POST.","why":"Poll freshness and probability band before buying."},"cheapest_paid_call":{"method":"POST","url":"https://energy.halowerk.com/predict/negative-price","path":"/predict/negative-price","price_usdc":"0.001","payment_required":true,"purpose":"Battery, EV, and trading agents buy this endpoint to receive calibrated 2h/4h/6h negative-price probabilities, reviewed threshold profiles and an executable response policy.","why":"Buy exact probability, action, target window, expected value, confidence and expiry."},"recommended_paid_call":{"method":"POST","url":"https://energy.halowerk.com/energy/decision","path":"/energy/decision","price_usdc":"0.01","payment_required":true,"purpose":"EV, battery, and flexible-load agents buy this endpoint to receive an executable action with timing, expected value, confidence, and expiry.","example_body":{"goal":"minimize_cost","device":"ev","location":"Germany","duration_hours":4}},"full_technical_catalog":"https://energy.halowerk.com/openapi-full.json","discovery_links":{"home":"https://energy.halowerk.com","health":"https://energy.halowerk.com/health","status":"https://energy.halowerk.com/status","pricing":"https://energy.halowerk.com/pricing","sources":"https://energy.halowerk.com/sources","trust":"https://energy.halowerk.com/trust/dashboard","openapi":"https://energy.halowerk.com/openapi.json","full_openapi":"https://energy.halowerk.com/openapi-full.json","x402":"https://energy.halowerk.com/.well-known/x402.json","mcp":"https://energy.halowerk.com/mcp","agent":"https://energy.halowerk.com/.well-known/agent.json","llms":"https://energy.halowerk.com/llms.txt","purchase_quickstart":"https://energy.halowerk.com/examples/quickstart","purchase_nodejs":"https://energy.halowerk.com/examples/buy-nodejs","purchase_python":"https://energy.halowerk.com/examples/buy-python","purchase_curl":"https://energy.halowerk.com/examples/buy-curl"},"directory_listing":{"title":"EU Energy Decision API for EV, Battery & Trading Agents","short_description":"Executable German/EU energy decisions paid per call with x402.","description":"One paid call returns action, time window, expected EUR value, confidence, source freshness and expiry. Free signal index and public track record. USDC on Base, no API key or account.","category":"Energy Decision API","tags":["energy","electricity","negative prices","EV charging","battery optimization","x402","USDC","Base","agents"],"homepage_url":"https://energy.halowerk.com","discovery_url":"https://energy.halowerk.com/discovery-status","starter_url":"https://energy.halowerk.com/agent-starter.json","x402_manifest_url":"https://energy.halowerk.com/.well-known/x402.json","agent_manifest_url":"https://energy.halowerk.com/.well-known/agent.json","openapi_url":"https://energy.halowerk.com/openapi.json","mcp_url":"https://energy.halowerk.com/mcp","mcp_registry_metadata_url":"https://energy.halowerk.com/.well-known/mcp-registry/server.json","integration_archive_url":"https://energy.halowerk.com/downloads/energy-hub-agent-examples.zip","x402scan_url":"https://www.x402scan.com/recipient/0x2880edfff13100677bf97a3cbdf3bc34771c4e5e/resources","llms_url":"https://energy.halowerk.com/llms.txt","free_signal_index":{"method":"GET","url":"https://energy.halowerk.com/predict/negative-price","path":"/predict/negative-price","price_usdc":"0","payment_required":false,"purpose":"Free poll endpoint. Reveals whether a fresh actionable signal exists, its probability band and expiry, but withholds exact probability, action, time window and expected value until paid POST."},"cheapest_paid_call":{"method":"POST","url":"https://energy.halowerk.com/predict/negative-price","path":"/predict/negative-price","price_usdc":"0.001","payment_required":true,"purpose":"Battery, EV, and trading agents buy this endpoint to receive calibrated 2h/4h/6h negative-price probabilities, reviewed threshold profiles and an executable response policy."},"recommended_paid_call":{"method":"POST","url":"https://energy.halowerk.com/energy/decision","path":"/energy/decision","price_usdc":"0.01","payment_required":true,"purpose":"EV, battery, and flexible-load agents buy this endpoint to receive an executable action with timing, expected value, confidence, and expiry."},"payment":{"protocol":"x402","network":"Base Mainnet","network_id":"eip155:8453","chain_id":8453,"asset":"USDC","no_api_keys":true,"no_accounts":true}}}