api.vextorium.com
Wholesale day-ahead electricity price in a European country or zone (DE, FR, ES, PT, IT, NL, BE, AT, PL, CH, Nordics...) for today or a given day: hourly EUR/MWh, average, max, min and cheapest and most expensive hours. Use «todos» to compare the daily average across countries.
$0.003000 USDC
blockrun.ai
Get historical cumulative volume data for a market
$0.008500 USDC
api.vextorium.com
Value a crypto portfolio such as {"BTC": 0.1, "ETH": 2}: current value and weight of each holding and total; with a start date, its value then, return, annualized volatility and maximum drawdown. Prices from DefiLlama.
$0.005000 USDC
fiatdock.com
Pay-per-call: Signal Sprint Base USDC Balance
$0.005000 USDC
agent402.tools
OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a five-model failover chain (xAI Grok Voice, Kokoro, MAI-Voice-2 Flash, MAI-Voice-2), every link proven by a real paid canary - a provider outage never becomes your failure. Up to 2,000 chars in, raw mp3 (default) or pcm bytes out - the same wire shape as OpenAI's endpoint.
$0.06 USDC
api.vextorium.com
Explain an EIP-712 typed-data signature before signing it: x402/EIP-3009 payment authorizations, EIP-2612 permits, Permit2 and Seaport orders. Flags unlimited allowances, long validity and non-official tokens, and returns the exact hash to compare with your wallet.
0.01 tokens
blockrun.ai
Get leaderboard for a specific market
$0.008500 USDC
api.vextorium.com
Value a crypto portfolio such as {"BTC": 0.1, "ETH": 2}: current value and weight of each holding and total; with a start date, its value then, return, annualized volatility and maximum drawdown. Prices from DefiLlama.
$0.005000 USDC
47620.xyz
Before your agent sends SOL/USDC to any address: check whether it is safe. Returns account type (wallet vs program vs mint vs closed), SOL balance, tx activity, and a 0-100 risk score with reasons. Use this to avoid paying a dead or wrong address.
0.02 tokens
api.relaystation.ai
$0.001/page. Password-protect a PDF with 256-bit AES and set permissions. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny
$0.01 USDC
47620.xyz
Complete token due-diligence in one call: live price, liquidity, 24h volume, DEX pairs AND on-chain supply/mint authority. Replaces several lookups.
0.02 tokens
agentsvc.io
Company check (KYB) and company enrichment in one call, built from six official or primary sources: legal entity from the Global LEI Index (legal name, LEI, status, register number, founding date, legal and HQ address, other candidates), EU VAT number check against VIES, sanctions screening against the OFAC SDN, EU and UN lists, domain registration and email security (RDAP, MX, SPF, DMARC grade), website technology stack, and recent news.
$0.03 USDC
agentsvc.io
Automated web accessibility audit of a page in a real browser with axe-core: every WCAG 2.2 level A and AA rule that can be tested automatically (missing alt text, unlabeled buttons and form fields, color contrast, keyboard traps, ARIA errors, missing page language, touch target size).
$0.01 USDC
api.sirenic.eu
Official Swiss company registry lookup (Zefix). Query: /v1/eu/entreprise/CH/CHE-107.480.920 (UID, dots optional). Returns legal name, legal form, normalized status, registered office, cantonal register link, live from Zefix. 404, not billed: a Swiss sole proprietorship (Einzelunternehmen), a branch whose head office is not served, an undecided form. Same unified schema as every Sirenic European profile.
$0.01 USDC
api.sirenic.eu
Lithuanian company annual accounts: balance sheets and P&L filed at the Juridinių asmenų registras (open data, CC BY 4.0, 2015+). Query: /v1/eu/entreprise/LT/304500803/comptes. Every filed year in one call: non-current and current assets, total assets, equity, liabilities, tangible fixed assets, revenue, income, profit before tax, net profit, in EUR as published; filing template, standard and date. Structured filings only. Null = not published, never zero. IĮ: 404, not billed.
$0.02 USDC
api.vextorium.com
Explain an EIP-712 typed-data signature before signing it: x402/EIP-3009 payment authorizations, EIP-2612 permits, Permit2 and Seaport orders. Flags unlimited allowances, long validity and non-official tokens, and returns the exact hash to compare with your wallet.
$0.005000 USDC
api.vextorium.com
Search the US Federal Register (official public-domain government record) by topic: proposed rules, final rules, notices and presidential documents, with agency, publication date, abstract and official link. Filter by type and recency. Complements SEC/CFTC RSS tracking.
$0.02 USDC
api.vextorium.com
CSV cleaning and normalization to JSON: column names, types, duplicates and empty values. Data is processed in memory and not stored.
$0.02 USDC
agentsvc.io
Bulk web scraper: read up to 20 web pages in ONE paid call, each as clean, LLM-ready Markdown with title and meta description. One payment instead of 20, pages fetched in parallel, duplicate URLs read once. Use when your agent works through a list of URLs (search results, product pages, a sitemap, a link list). A failed page is reported with its error while the others still return; charged only if at least one page was read.
$0.05 USDC
api.sirenic.eu
Lithuanian company registry lookup (Juridinių asmenų registras, daily data.gov.lt snapshot, CC BY 4.0). Query: /v1/eu/entreprise/LT/304500803. Identity as published (partnerships anonymised by the register, flagged), legal form, one of 31 dated register statuses, registration and removal dates, VAT, municipality, plus registre_lt (capital, taxpayer type, VAT dates, filing compliance, shareholder headcounts), fiscalite_lt (tax arrears, taxes paid). Individual enterprise (IĮ): 404, not billed.
$0.01 USDC