HALOWERK Energy
energy.halowerk.com · 5 paid endpoints · listed 2026-10-27
Cheapest end-to-end x402 purchase test. Always returns a 402 challenge without payment and the current full NegPrice decision after a valid USDC payment.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| POST | energy.halowerk.com/carbon/now Aktuelle CO2-Intensität des deutschen Strommix. | $0.001 | Base |
| GET | energy.halowerk.com/demo/paid-sample Cheapest end-to-end x402 purchase test. Always returns a 402 challenge without payment and the current full NegPrice decision after a valid USDC payment. | $0.001 | Base |
| POST | energy.halowerk.com/predict/negative-price Battery, EV, and trading agents buy this endpoint to receive calibrated 2h/4h/6h negative-price probabilities, reviewed threshold profiles and an executable res | $0.001 | Base |
| POST | energy.halowerk.com/price/spot Trading and dispatch agents buy this endpoint to obtain the current German EPEX spot price for immediate decisions. | $0.001 | Base |
| POST | 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, renew | $0.05 | Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 5 days ago | energy.halowerk.com/carbon/now | 402 | 256 | valid x402 v2 terms |
Income on Base (7 days)
This provider's payout address is shared by several providers, so its income is not shown as its own.
Is this your API?
<a href="https://logicnodes.io/observatory/p/energy.halowerk.com"><img src="https://logicnodes.io/observatory/badge/energy.halowerk.com.svg" alt="x402 status"></a>
Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/energy.halowerk.com