ca-tax-api-mainnet.lxtap.workers.dev
Human-readable summary of a Polygon PoS transaction: status, block and time, sender and recipient, POL value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts.
$0.005000 USDC
ca-tax-api-mainnet.lxtap.workers.dev
Canadian sales tax breakdown for an amount in a province or territory: GST, HST, PST, RST or QST with each rate and amount rounded to the cent, plus the total. Rates are looked up for the given date (default today), so historical changes such as Nova Scotia's 2025 HST cut are handled.
$0.005000 USDC
vaultbags.app
Every certified tokenized RWA on Solana in the VaultBags registry (issuer-verified mints) with a live market read for each: price, 24h change, market cap, liquidity. One call, the whole map.
0.10 tokens
latam-fx.latamfx.workers.dev
Official central-bank exchange rate for one Latin American currency against USD (BRL PTAX, ARS BCRA, COP TRM, PEN BCRP, MXN FIX), with source, date and staleness flag.
$0.002000 USDC
startup.use.x402atlas.com
Bulk startup name availability: check up to 10 candidate names at once for domains across 13 TLDs and GitHub, npm, PyPI, X usernames.
$0.08 USDC
filingdelta.xyz
US macro and economic data: latest CPI inflation (CPI-U), GDP growth and nonfarm payrolls from the official BLS and BEA releases (ids CPI, GDP, NFP). Five items per card: summary and verbatim quote, with release number, source_url and next release date. Free samples: /sample/macro/CPI, /GDP, /NFP. Other ids 404 (no charge).
$0.01 USDC
1gateway.dev
Use when an agent must vet a company or counterparty before paying, onboarding or invoicing. Input: name, optional country (ISO2), lei, vat (EU, with prefix). Output: JSON summary (sanctions hits, LEI found/status, VAT valid), sanctions matches across OFAC SDN, EU and UK lists, GLEIF entity record with parents, VIES VAT result; a down VIES/GLEIF marks only that part. Not a legal determination. Example: ?name=Siemens+AG&lei=W38RGI023J3WT1HWRP32&vat=DE129273398
$0.02 USDC
api.liquidagent.ai
What does this business's website run on? Give a website (or a US phone number) and get its site platform (WordPress, Wix, Squarespace, Shopify...), online booking tool (Square Appointments, Vagaro, Calendly, Zocdoc...), payment system (Square, Toast, Clover, Stripe...), hiring, socials and copyright year, read from the business's own verified website. $0.005 per lookup that finds a site; no match, no charge. USDC on Base or Arc.
$0.005000 USDC
api.aiskills402.com
x402 Settlement Review: Replay and Double Charge — Reviews pasted seller-side x402 code that accepts the PAYMENT-SIGNATURE header, talks to the facilitator and delivers the goods (the cash register), for the silent failures that double-charge a buyer, hand the goods to a stranger or bill the seller. It flags an expiry check that runs before the nonce lookup, a repeat path that delivers without proof the chain observer lacks, a repeat window taken from the buyer's validBefore instead of the sell…
$0.01 USDC
x402.agentindex.world
Convert text between utf-8, base64, hex, URL-percent-encoding and ascii representations.
$0.002000 USDC
verifylite.hydratinghealingtouch.workers.dev
SEO check for one page: whether search engines can index it (meta robots, X-Robots-Tag, robots.txt rules), title and meta description length, canonical URL, H1 headings, viewport, language, Open Graph tags, sitemap, HTTPS, and redirects, with a 0-100 score and a list of issues by severity. Useful for site audits and pre-launch checks. Not charged if the page can't be fetched.
$0.01 USDC
cryptofeed402.site
Hourly funding rate history for one Hyperliquid perp: each settlement's rate (hourly, 8h, annualized) and premium, plus mean/min/max, positive/negative hours and cumulative rate. hours=1-720 (default 168) or from/to, max 720 hours per call; history back to each perp's listing. Bad params 400, unknown symbol 404, no charge. Free sample at /samples/funding-history. $0.005 USDC per call on Base.
$0.005000 USDC
ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws
Arbitrary-precision integer arithmetic (add, subtract, multiply, power) beyond IEEE-754 float precision, using native BigInt. Operands are passed as digit strings so precision is never lost in transit. For power, the combined magnitude (base digit count x exponent) is capped at 50000 to bound response size, in addition to the per-operand digit cap and exponent cap.
$0.01 USDC
cryptofeed402.site
Live spot ticker for any OKX <SYMBOL>-USDT pair (hundreds of coins): last price, best bid/ask and spread in bps, 24h open/high/low and change, UTC-day change, 24h volume in base and USDT, with as_of. Use it for a quick cross-venue spot check of an asset that has no perp. Unknown pair 404, no charge. JSON. Free sample at /samples/spot. $0.002 USDC per call on Base.
$0.002000 USDC
filingdelta.xyz
Central bank interest rate decisions, one card per bank: Bank of England, US Fed, ECB, Bank of Japan, Australia, Canada, Switzerland, Norway, Sweden, Mexico, Bank of Korea, Turkey, India, South Africa, China, Indonesia, Ethiopia, Russia, Egypt, Iran, Brazil. Each card: hike/hold/cut, policy rate, change in bps, vote and dissent where published, next decision date, official source_url. Ids in /catalog, free. Free sample: /sample/policy/FED. Other ids 404 (no charge).
$0.02 USDC
cryptofeed402.site
OHLCV candles for any Hyperliquid perp (main dex + HIP-3 like xyz:TSLA) or, with venue=okx, any OKX USDT spot pair. Intervals 1m, 3m, 5m, 15m, 30m, 1h, 2h, 4h, 8h, 12h, 1d, 3d, 1w, 1M (OKX: 6h instead of 3d/8h); limit 1-500 (OKX 300), end= for older Hyperliquid candles. Open/high/low/close, volume, trade count, closed flag. Bad params 400, unknown symbol 404, no charge. Free sample at /samples/candles. $0.003 USDC per call on Base.
$0.003000 USDC
presign-guard.fizzl.eu
Is this text a prompt-injection trap for your AI agent? Checks a web page, email, tool result, API answer or another agent's message before your agent acts on it: does it try to make the agent ignore its instructions, pay or send money, hand over keys or private data, or obey a fake user, admin or support message? Green/orange/red with reason codes, judged by TypeSafe's Jev, plus hidden-character tricks and OFAC-sanctioned addresses in the text
$0.01 USDC
1gateway.dev
Use when an agent must check a person, company, vessel or aircraft against the U.S. Treasury OFAC SDN list before paying, onboarding or shipping. Input: name (fuzzy, aliases included), optional type, min_score, limit. Output: JSON potential matches with score, SDN entry, programs, countries, aliases, OFAC link, list as-of date, data age. Not a legal determination. Example: ?name=Lazarus+Group
$0.004500 USDC
api.jobsproperty-api.workers.dev
Job openings from the Arbeitnow public job board API (mostly Europe, many remote roles). Returns the newest 300 postings; title, company, location, remote flag, tags, posted time, link. No salary field in the source.
$0.002000 USDC
filingdelta.xyz
Inflation (CPI) cards. Call when you need the latest inflation print with a category breakdown, from the official release: US (BLS CPI-U), UK (ONS CPI), euro area (eurozone, Eurostat HICP) and Japan (Statistics Bureau CPI). Headline, core and categories such as energy, food, services and housing, each with the verbatim quote, reference period, source_url and next release date. Ids US, UK, EA, JP. Free samples: /sample/cpi/:id. Other ids 404 (no charge).
$0.01 USDC