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Halowerk

Halowerk is an x402-native service at https://energy.halowerk.com, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 12 endpoints listed.

Base

Offers

OfferEndpointPrice
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.
/m/bz-energy-halowerk-com/demo/paid-sample0.001 USDC
Events Grid
Ereignisfeed für Dunkelflaute, Sturm, negative Preise und Rekorde.
/m/bz-energy-halowerk-com/events/grid0.005 USDC
Grid Load
Grid-monitoring and dispatch agents buy this endpoint to obtain the latest German system load from SMARD.
/m/bz-energy-halowerk-com/grid/load0.001 USDC
Optimizer Cheapest Window
Flexible-load agents buy this endpoint to schedule a contiguous operating window at the lowest average electricity price.
/m/bz-energy-halowerk-com/optimizer/cheapest-window0.005 USDC
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 response policy.
/m/bz-energy-halowerk-com/predict/negative-price0.001 USDC
Price Forecast
Energy-trading and flexible-load agents buy this endpoint to compare the next 24 hours of EPEX prices and volatility.
/m/bz-energy-halowerk-com/price/forecast0.005 USDC
Price Negative Forecast
Stunden mit negativen Strompreisen in den nächsten 24 Stunden.
/m/bz-energy-halowerk-com/price/negative-forecast0.005 USDC
Price Spot
Trading and dispatch agents buy this endpoint to obtain the current German EPEX spot price for immediate decisions.
/m/bz-energy-halowerk-com/price/spot0.001 USDC
Renewable Share
Carbon-aware and ESG agents buy this endpoint to measure the current renewable share and generation mix in Germany.
/m/bz-energy-halowerk-com/renewable/share0.001 USDC
Research Quick
Research and market-monitoring agents buy this endpoint to answer a focused question with a compact live market snapshot.
/m/bz-energy-halowerk-com/research/quick0.003 USDC
V3 Dispatch Plan
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.
/m/bz-energy-halowerk-com/v3/dispatch-plan0.02 USDC
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.
/m/bz-energy-halowerk-com/v3/market-brief0.05 USDC

Machine-readable: openapi.json with x-payment-info offers.

Try it live

Run the full MPP flow from your browser: catch the 402, sign the payment with your wallet, and watch it settle on-chain.

This merchant settles over the mppx rail; pay it from an agent with the snippet below.

Pay with an agent

Any MPP or x402-compatible client works. With mppx, payment is automatic:

import { Mppx, evm } from 'mppx/client'
import { privateKeyToAccount } from 'viem/accounts'

const mppx = Mppx.create({
  methods: [evm({
    account: privateKeyToAccount(process.env.KEY),
    currencies: [evm.assets.base.USDC],
  })],
})

const res = await mppx.fetch('https://api.meshgateway.co/m/bz-energy-halowerk-com/demo/paid-sample')
// 402 challenge signed and settled automatically; response includes Payment-Receipt

Or inspect the challenge yourself:

curl -i https://api.meshgateway.co/m/bz-energy-halowerk-com/demo/paid-sample
# HTTP/1.1 402 Payment Required
# WWW-Authenticate: Payment id="…", method="evm", intent="charge", …