ToolAssay

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18,966 tools. Tools that answered our last check come first.

Validate a 9-digit US ABA bank routing number by its weighted (3,7,1) mod-10 che
Answering checkdigit.openverbs.com listed $0.002 answered 5 of 5 checks this week 625 ms Everything else
Validate a GTIN barcode number — EAN-8, UPC-A (12), EAN-13 or GTIN-14 — by the s
Answering checkdigit.openverbs.com listed $0.002 answered 5 of 5 checks this week 460 ms Everything else
Validate a JSON value against a JSON Schema (draft-07, with the standard string
Answering jsonschema.openverbs.com listed $0.004 answered 5 of 5 checks this week 477 ms Code and developer
Validate a blockchain address
Answering wallet.openverbs.com listed $0.004 answered 5 of 5 checks this week 455 ms Market data
Validate a composition body without saving it (dry-run)
Answering api.cueframe.ai listed $0.01 answered 5 of 5 checks this week 1254 ms Everything else
Validate a number by the Luhn (mod-10) algorithm — the scheme behind credit/debi
Answering checkdigit.openverbs.com listed $0.002 answered 5 of 5 checks this week 465 ms Everything else
Validate a payment-card number
Answering creditcard.openverbs.com listed $0.002 answered 5 of 5 checks this week 455 ms Everything else
Validate a value against a known format (email, url, uuid, ipv4, ipv6, credit_ca
Answering format-validator.pdfextractapi.workers.dev listed $0.01 answered 5 of 5 checks this week 592 ms Everything else
Validate an IBAN (mod-97 checksum, length, country format) and decompose it into
Answering iban.openverbs.com listed $0.004 answered 5 of 5 checks this week 456 ms Everything else
Validate an ISBN-10 (mod-11, trailing X allowed) or ISBN-13 (GTIN mod-10) book n
Answering checkdigit.openverbs.com listed $0.002 answered 5 of 5 checks this week 461 ms Everything else
Validate and standardize a postal address
Answering api.strale.io listed $0.0324 answered 5 of 5 checks this week 979 ms Everything else
Validates a JSON document against a JSON Schema using the industry-standard ajv
Answering x402.outpimp.com listed $0.01 answered 5 of 5 checks this week 628 ms Code and developer
Valuation, profitability, liquidity, leverage, efficiency, growth, and per-share
Answering stablefinance.dev listed $0.02 answered 5 of 5 checks this week 253 ms Market data
Vaunt preview
Answering vaunt-dispatch-production.up.railway.app listed $0.001 answered 5 of 5 checks this week 930 ms Everything else
Verbatim, line-cited extraction of the material quantitative sentences from any
Answering alpha402x.com listed $0.05 answered 5 of 5 checks this week 938 ms Company and compliance
Verifiable Random pick — string selection with or without replacement bound to a
Answering verifiable-random.use.x402atlas.com listed $0.005 answered 5 of 5 checks this week 651 ms Everything else
Verify a JSON Web Token's signature and claims against a shared secret (HS*) or
Answering jwt.openverbs.com listed $0.004 answered 5 of 5 checks this week 612 ms Market data
Verify a business is real and get a legitimacy verdict plus a 0-100 risk score
Answering api.agentstools.dev listed $0.02 answered 5 of 5 checks this week 1005 ms Company and compliance
Verify a submitted TOTP code against a base32 secret, scanning ±window time step
Answering otp.openverbs.com listed $0.004 answered 5 of 5 checks this week 457 ms Code and developer
Vet an Apify actor before you pay to run it
Answering api.x-402.online listed $0.01 answered 4 of 4 checks this week 262 ms Everything else
Vet an x402 seller before integrating
Answering datastand.dev listed $0.005 answered 5 of 5 checks this week 26 ms Market data
WHOIS registration lookup — registrar, creation/expiry/updated dates, domain age
Answering domain.hugen.tokyo listed $0.01 answered 5 of 5 checks this week 363 ms Market data
Wallet balance lookup for any address on base, ethereum, arbitrum, optimism, pol
Answering dt0ur.online listed $0.01 answered 5 of 5 checks this week 365 ms Market data
Wallet profile for an X1 address
Answering apexfaucet.xyz listed $0.004 answered 2 of 2 checks this week 368 ms Market data
Wan Text-to-Video Job (480p)
Answering cleared.ink listed $0.01 answered 5 of 5 checks this week 584 ms Image and media
Web scraping API for AI agents — extract clean text and metadata from one safe p
Answering squeezeos-api.onrender.com listed $0.005 answered 5 of 5 checks this week 173 ms Search and research
Web search
Answering pyfile-agent.taile3ff35.ts.net listed $0.003 answered 5 of 5 checks this week 1193 ms Search and research
Web search returning ranked results with title, URL, description, and source dom
Answering enclave402.com listed $0.005 answered 5 of 5 checks this week 558 ms Search and research
Web search that returns READY-TO-USE grounding text, not links
Answering agent402.tools listed $0.02 answered 5 of 5 checks this week 966 ms Market data
Web search via Tavily
Answering api.speccy.cloud listed $0.005 answered 5 of 5 checks this week 916 ms Search and research
Website traffic estimates for a company by domain or Akta uuid — visit trends as
Answering vaaya.ai listed $0.11 answered 5 of 5 checks this week 320 ms Company and compliance
What a given operation SHOULD cost on Arc right now, in dollars
Answering apexfaucet.xyz listed $0.003 answered 2 of 2 checks this week 377 ms Market data
What a transaction on Arc ACTUALLY costs, measured from real receipts rather tha
Answering apexfaucet.xyz listed $0.004 answered 2 of 2 checks this week 572 ms Market data
What changed between two dated snapshots of 129 AI-progress and technology serie
Answering x402-accelerometer-feed.fly.dev listed $0.01 answered 4 of 5 checks this week 3423 ms Market data
What tickers 4chan's finance board (/biz/) is buzzing about most over the last 2
Answering x402stock.xyz listed $0.01 answered 5 of 5 checks this week 312 ms Everything else
What token is this?
Answering www.tereno.xyz listed $0.03 answered 5 of 5 checks this week 271 ms Market data
What tokens or wallets are being queried by other agents right now
Answering api.solenrich.com listed $0.005 answered 5 of 5 checks this week 914 ms Market data
Where Hyperliquid smart money is positioned
Answering api.solenrich.com listed $0.05 answered 5 of 5 checks this week 930 ms Market data
Which agents registered on Arc actually answer
Answering apexfaucet.xyz listed $0.004 answered 2 of 2 checks this week 398 ms Market data
WhiteMagic continuity-receipt verification
Answering api.whitemagic.dev listed $0.01 answered 4 of 4 checks this week 635 ms Everything else
Who does this wallet transact with?
Answering agentbit.app listed $0.01 answered 5 of 5 checks this week 1261 ms Market data
Why is my x402 endpoint broken?
Answering x402-doctor.onrender.com listed $0.01 answered 5 of 5 checks this week 191 ms Market data
Wikipedia Search
Answering saylorinnovations.com listed $0.001 answered 4 of 4 checks this week 716 ms Search and research
Will it rain in Houston during your event window — Event-window weather odds for
Answering x402-factory.com listed $0.02 answered 5 of 5 checks this week 581 ms Everything else
Windfall impact on FIRE timeline calculator
Answering x402.outpimp.com listed $0.01 answered 5 of 5 checks this week 620 ms Everything else
Witty roast of any target — wallet, tweet, idea, code, anything
Answering api.anchor-x402.com listed $0.05 answered 5 of 5 checks this week 816 ms Code and developer
Writes and runs Python to compute or verify an answer, returning the code, its o
Answering api.onhub.ai listed $0.015 answered 4 of 4 checks this week 243 ms Code and developer
X Account Dossier ($0.05/call)
Answering x402.botsmith.dev listed $0.05 answered 5 of 5 checks this week 21 ms Everything else
X KOL Watchlist Monitor ($0.05/call)
Answering x402.botsmith.dev listed $0.05 answered 5 of 5 checks this week 25 ms Market data
X.AI text-to-speech
Answering api.xona-agent.com listed $0.01 answered 5 of 5 checks this week 894 ms Image and media
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