Discover / bess-x402.onrender.com

BESS Arbitrage Calculator

■ Challenge detected

Battery storage (BESS) day-ahead arbitrage revenue for a European bidding zone: perfect-foresight LP per day on historical prices, annualised revenue per MW, cycles, payback. Use when sizing or screening a battery project, comparing zones, or answering how much a battery would have earned in a given year.

Listed price
$0.5
Challenge detected
1 of the last check
Median response
137 ms
Last checked
20 Oct, 12:23 UTC
In our index since
20 Oct 2026

Endpoint

curl -i https://bess-x402.onrender.com/v1/bess/arbitrage
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
6 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://bess-x402.onrender.com/v1

  • GET/us-stocks/fundamentalsNo price listedReported financials for a US-listed company from its SEC 10-K/10-Q filings: revenue, gross profit, operating and net income, diluted EPS, cash flow, capex, free cash flow, assets, liabilities, equity, cash, debt and margins, annual or quarterly. Use when analysing, comparing or valuing a US stock by ticker and you need filed numbers, not estimates.
  • GET/us-stocks/filingsNo price listedLatest SEC EDGAR filings of a US-listed company by ticker, newest first, with form type, filing and report dates, 8-K item codes and a direct link to each document; filter by form (10-K, 10-Q, 8-K, 4 insider trades, 13F, S-1). Use when you need a company's recent disclosures, earnings releases or insider filings.
  • GET/chain/gasNo price listedCurrent EIP-1559 gas fees for Ethereum, Base, Arbitrum, Optimism or Polygon: next base fee, slow/standard/fast priority and max fee in gwei, block utilisation and the cost of a plain transfer (L2 L1-data fees excluded). Use right before sending a transaction or to compare chains.
  • GET/bess/arbitrageNo price listedBattery storage (BESS) day-ahead arbitrage revenue for a European bidding zone: perfect-foresight LP per day on historical prices, annualised revenue per MW, cycles, payback. Use when sizing or screening a battery project, comparing zones, or answering how much a battery would have earned in a given year.
  • GET/web/markdownNo price listedRead any public web page and get its main content as clean Markdown (menus, ads and footers removed) with title, author, publish date and language. Use when you need to read, quote or summarise an article, docs page or blog post from a URL. Not charged if the page fails.
  • GET/power/day-aheadNo price listedDay-ahead wholesale electricity prices (15-min or hourly) for a European bidding zone and up to 31 days, in local time, with daily min/max/mean, negative-price slots and the cheapest and priciest N-hour window. Use when scheduling EV charging, heat pumps, batteries or flexible load, or when asked what power costs tomorrow in Germany, France, Netherlands and other EU zones.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 6 of 6 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/bess-x402.onrender.com

Recent checks

20 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.20 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
20 Oct, 12:23 UTCChallenge detected402137ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 20 Oct, 12:23 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for BESS Arbitrage Calculator?

Its listed price is $0.5.

What payment terms does BESS Arbitrage Calculator advertise?

The listing advertises x402, Arbitrum, Base, Polygon and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is BESS Arbitrage Calculator listed?

In x402 Bazaar. Superstables first indexed it on 20 Oct 2026.

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