ToolAssay

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7,164 tools. Tools that answered our last check come first.

Get a random fortune via x402 payment on Base mainnet
Answering ladyfortunalx402.vercel.app listed $0.001 answered 1 of 1 checks this week 285 ms Everything else
Locus public pay-per-use API
Answering hunter.x402.paywithlocus.com listed $0.008 answered 1 of 1 checks this week 867 ms Everything else
Check domain and handle availability for a startup name
Answering api.strale.io listed $0.054 answered 1 of 1 checks this week 981 ms Everything else
Get one piece of thoughtful life advice, paid per request over x402
Answering x402lifeadvice.vercel.app listed $0.001 answered 1 of 1 checks this week 252 ms Everything else
Returns a single random fact as JSON in exchange for a micropayment
Answering randomfactsx402.vercel.app listed $0.001 answered 1 of 1 checks this week 348 ms Everything else
Roll a dice with any number of faces
Answering dicex402.vercel.app listed $0.001 answered 1 of 1 checks this week 301 ms Everything else
Educational briefing on the latest cars in 2026 (powertrains, range, pricing, an
Answering cars2026.vercel.app listed $0.0011 answered 1 of 1 checks this week 272 ms Everything else
Access the exclusive horror story collection (pay-per-read)
Answering horrorstoryapi.vercel.app listed $0.0013 answered 1 of 1 checks this week 268 ms Everything else
grov
Answering grov.fun listed $0.025 answered 1 of 1 checks this week 564 ms Everything else
Convert a time between any two IANA time zones (DST-aware)
Answering 402timezones.vercel.app listed $0.001 answered 1 of 1 checks this week 278 ms Everything else
Get today's curated Word of the Day (definition + part of speech)
Answering x402wordoftheday.vercel.app listed $0.0015 answered 1 of 1 checks this week 296 ms Everything else
Pay a micro-fee in USDC on Base mainnet to receive a riddle and its answer
Answering riddlex402.vercel.app listed $0.002 answered 1 of 1 checks this week 278 ms Everything else
Convert a weight/mass value between units (kg, g, lb, oz, stone, tonne, and more
Answering weight402endpoint.vercel.app listed $0.0025 answered 1 of 1 checks this week 266 ms Everything else
Get a random interesting joke
Answering jokes-endpoint.vercel.app listed $0.002 answered 1 of 1 checks this week 271 ms Everything else
Validate a phone number and classify its type
Answering api.strale.io listed $0.0216 answered 1 of 1 checks this week 974 ms Everything else
Forward geocoding — free-text address or place name → latitude/longitude plus st
Answering 2s.io listed $0.0025 answered 1 of 1 checks this week 290 ms Everything else
Forced-order map
Answering hypernatt.com listed $0.001 answered 1 of 1 checks this week 1210 ms Everything else
Cheapest agent-ready x402 demand read
Answering srv1334799.hstgr.cloud listed $0.01 answered 1 of 1 checks this week 825 ms Everything else
grov
Answering grov.fun listed $0.025 answered 1 of 1 checks this week 771 ms Everything else
Get Smart Money Holdings Data
Answering api.nansen.ai listed $0.05 answered 1 of 1 checks this week 254 ms Everything else
Geocoding and reverse geocoding
Answering api.kadec0.xyz listed $0.01 answered 1 of 1 checks this week 476 ms Everything else
Check email deliverability for a domain
Answering api.strale.io listed $0.054 answered 1 of 1 checks this week 936 ms Everything else
TikHub — 742 per-call social-data endpoints (GET) across douyin/tiktok/weibo/ins
Answering vaaya.ai listed $0.01 answered 1 of 1 checks this week 344 ms Everything else
MSVI Bitcoin volatility index — composite of realized vol, implied vol, term str
Answering api.myceliasignal.com listed $0.05 answered 1 of 1 checks this week 196 ms Everything else
Signed time-bounded witness of an agent-carried payload digest; the payload stay
Answering 767-2676.com listed $0.001 answered 1 of 1 checks this week 425 ms Everything else
Access to api/v2/addresses/:address_hash
Answering api.blockscout.com listed $0.002 answered 1 of 1 checks this week 303 ms Everything else
Create a new browser session ($0.10)
Answering www.stablebrowser.dev listed $0.1 answered 1 of 1 checks this week 289 ms Everything else
Paid ($0.01 USDC via x402)
Answering api.orcatrace.dev listed $0.01 answered 1 of 1 checks this week 649 ms Everything else
Historical hourly AI intelligence digests (1-24 hours lookback)
Answering api.moltalyzer.xyz listed $0.02 answered 1 of 1 checks this week 638 ms Everything else
Paid ($0.01 USDC via x402)
Answering api.gitbeacon.dev listed $0.01 answered 1 of 1 checks this week 635 ms Everything else
Paid ($0.01 USDC via x402)
Answering api.signalis.dev listed $0.01 answered 1 of 1 checks this week 636 ms Everything else
Skip trace lookup
Answering trace.sociologic.ai listed $0.12 answered 1 of 1 checks this week 383 ms Everything else
Latest US Treasury daily constant-maturity yield curve in one object
Answering agent402.tools listed $0.005 answered 1 of 1 checks this week 909 ms Everything else
OpenAI-compatible chat on 100+ Venice models via x402 USDC (Base)
Answering x402.aispace.bot listed $0.01 answered 1 of 1 checks this week 884 ms Everything else
Detect technologies used by a website
Answering api.strale.io listed $0.0324 answered 1 of 1 checks this week 938 ms Everything else
Decode a vehicle VIN via the US NHTSA vPIC database
Answering agent402.tools listed $0.004 answered 1 of 1 checks this week 1125 ms Everything else
Hand the agent an opaque string
Answering agent402.tools listed $0.007 answered 1 of 1 checks this week 916 ms Everything else
Paginated list of all indexed x402 resources
Answering www.x402scan.com listed $0.01 answered 1 of 1 checks this week 269 ms Everything else
Rerank documents against a query over x402
Answering agent402.tools listed $0.002 answered 1 of 1 checks this week 958 ms Everything else
Full domain security and SEO intelligence in one call
Answering agent402.tools listed $0.016 answered 1 of 1 checks this week 943 ms Everything else
Get Address Transactions Data
Answering api.nansen.ai listed $0.01 answered 1 of 1 checks this week 208 ms Everything else
Resolve a US latitude/longitude to its county, state and census block FIPS codes
Answering agent402.tools listed $0.003 answered 1 of 1 checks this week 911 ms Everything else
Query Polymarket markets with filtering, sorting, and pagination
Answering blockrun.ai listed $0.0085 answered 1 of 1 checks this week 346 ms Everything else
List Polymarket events with filtering and sorting
Answering blockrun.ai listed $0.0085 answered 1 of 1 checks this week 329 ms Everything else
Current block height for Base Sepolia
Answering shelf-production-43b5.up.railway.app listed $0.001 answered 1 of 1 checks this week 1485 ms Everything else
Email validation and email list cleaning
Answering api.kadec0.xyz listed $0.03 answered 1 of 1 checks this week 168 ms Everything else
Get current exchange rate between two currencies using ECB data
Answering api.strale.io listed $0.0216 answered 1 of 1 checks this week 966 ms Everything else
Validates a phone number and returns whether it's valid, reachable, carrier info
Answering x402.orthogonal.com listed $0.06 answered 1 of 1 checks this week 287 ms Everything else
Frontier chat completions via Telnyx Inference (MiniMax M2.7)
Answering x402.telnyx.com listed $0.002856 answered 1 of 1 checks this week 251 ms Everything else
Bulk WHOIS lookup
Answering api.kadec0.xyz listed $0.05 answered 1 of 1 checks this week 169 ms Everything else
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