ToolAssay

Everything else

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

SociaVault API proxy — twitter-user-tweets
Answering social.gedx402.com listed $0.014 answered 1 of 1 checks this week 27 ms Everything else
Solve the linear system A·x = b for a square coefficient matrix A and vector b v
Answering matrix.openverbs.com listed $0.004 answered 1 of 1 checks this week 600 ms Everything else
Sort the lines of a text
Answering agent402.tools listed $0.001 answered 1 of 1 checks this week 951 ms Everything else
Source-backed vendor regulatory evidence package
Answering experiment-001-production-90c3.up.railway.app listed $0.5 answered 1 of 1 checks this week 1518 ms Everything else
South African SA benchmark bond yields (SARB closing yields on the R2030 and R20
Answering zaref.dev listed $0.005 answered 1 of 1 checks this week 4324 ms Everything else
Standard ffmpeg transformations
Answering tools.speccy.cloud listed $0.05 answered 1 of 1 checks this week 1093 ms Everything else
Stockfish cloud evaluation for a FEN position
Answering chess402.vercel.app listed $0.005 answered 1 of 1 checks this week 559 ms Everything else
Top keywords and two-word phrases by frequency (stopwords removed)
Answering agent402.tools listed $0.002 answered 1 of 1 checks this week 912 ms Everything else
Trading-card appraisal
Answering www.retcg.xyz listed $0.02 answered 1 of 1 checks this week 1018 ms Everything else
Truncate text to a maximum length, adding an ellipsis (or custom suffix)
Answering agent402.tools listed $0.001 answered 1 of 1 checks this week 958 ms Everything else
Turn any text into a URL-safe slug (lowercase, hyphenated, diacritics stripped)
Answering agent402.tools listed $0.001 answered 1 of 1 checks this week 971 ms Everything else
US energy inventory catalyst signal + EIA report calendar (optional ?report=)
Answering energy.lonestaroracle.xyz listed $0.05 answered 1 of 1 checks this week 830 ms Everything else
US real estate and mortgage — 30yr/15yr fixed rates, ARM, housing starts, permit
Answering realestate.lonestaroracle.xyz listed $0.03 answered 1 of 1 checks this week 764 ms Everything else
USDT/USDC premium on Korean exchanges vs official USD/KRW rate — fund flow indic
Answering api.printmoneylab.com listed $0.002 answered 1 of 1 checks this week 123 ms Everything else
Update the profile (name/bio/location/url) of an X account you control
Answering palmyr.ai listed $0.001 answered 1 of 1 checks this week 1644 ms Everything else
Use as a low-cost end-to-end x402 canary before higher-value calls
Answering sharvora.com listed $0.001 answered 1 of 1 checks this week 1423 ms Everything else
Use when a Base address just paid you and you want to know what it is before you
Answering api.oblique.markets listed $0.01 answered 1 of 1 checks this week 32 ms Everything else
Use when an agent needs batch url json
Answering api.oblique.markets listed $0.02 answered 1 of 1 checks this week 25 ms Everything else
Use when an agent needs browser
Answering api.oblique.markets listed $0.02 answered 1 of 1 checks this week 15 ms Everything else
Use when an agent wants to test a third-party endpoint for a 402 challenge, late
Answering api.oblique.markets listed $0.01 answered 1 of 1 checks this week 20 ms Everything else
Use when you need every NFL game of one regular-season week in a single call, ea
Answering nfl-form-x402.owenlvll.workers.dev listed $1.00 answered 1 of 1 checks this week 62 ms Everything else
User followers
Answering glim.sh listed $0.004 answered 1 of 1 checks this week 901 ms Everything else
VAPE chain_protocols — Top protocols on a chain by TVL (default Base), each with
Answering vape-x402.vapex402.workers.dev listed $0.01 answered 1 of 1 checks this week 313 ms Everything else
Validate a UUID and report its version (1-8) and variant
Answering agent402.tools listed $0.001 answered 1 of 1 checks this week 934 ms Everything else
Validate a composition body without saving it (dry-run)
Answering api.cueframe.ai listed $0.01 answered 1 of 1 checks this week 1254 ms Everything else
Validate a payment card number (Luhn checksum) and detect the brand
Answering agent402.tools listed $0.001 answered 1 of 1 checks this week 1620 ms Everything else
Validate an A2A (Agent2Agent protocol) Agent Card
Answering agent402.tools listed $0.002 answered 1 of 1 checks this week 920 ms Everything else
Validate an ISBN-10 or ISBN-13 checksum (hyphens/spaces ignored) and report whic
Answering agent402.tools listed $0.001 answered 1 of 1 checks this week 933 ms Everything else
Validate an email address
Answering agent402.tools listed $0.001 answered 1 of 1 checks this week 912 ms Everything else
Validate, pretty-print, or minify JSON
Answering agent402.tools listed $0.001 answered 1 of 1 checks this week 933 ms Everything else
Validates email deliverability
Answering api.qonoro.ai listed $0.005 answered 1 of 1 checks this week 1381 ms Everything else
Verify a GitHub repo
Answering goodsong.dev listed $0.005 answered 1 of 1 checks this week 429 ms Everything else
Verify an HS256/384/512 JWT signature against a secret and check expiry
Answering agent402.tools listed $0.001 answered 1 of 1 checks this week 915 ms Everything else
YOu can pick any dog that is at the daycare
Answering dogdaycare.pages.dev listed $0.05 answered 1 of 1 checks this week 7972 ms Everything else
Yield pools by DefiLlama — every tracked pool with APY, TVL, project and chain
Answering defillama.use.x402atlas.com listed $0.005 answered 1 of 1 checks this week 619 ms Everything else
a play of b702 — You can play it for the time you paid for
Answering b702.everygoodwork.io listed $0.01 answered 1 of 1 checks this week 1293 ms Everything else
chainquery Bitcoin RPC
Answering x402.chainquery.com listed $0.005 answered 1 of 1 checks this week 414 ms Everything else
create_text — $0.07 USDC
Answering mcp.soundside.ai listed $0.07 answered 1 of 1 checks this week 999 ms Everything else
cron402
Answering cron402-api.user-defaults.workers.dev listed $0.008 answered 1 of 1 checks this week 452 ms Everything else
grov
Answering grov.fun listed $0.025 answered 1 of 1 checks this week 572 ms Everything else
npm package downloads, current version, and license — latest version, license, a
Answering x402-seller-0ay3.onrender.com listed $0.005 answered 1 of 1 checks this week 348 ms Everything else
获取任意位置的天气
Answering xx402.vercel.app listed $0.001 answered 1 of 1 checks this week 280 ms Everything else
$0.001/call
Answering api.relaystation.ai listed $0.01 answered 1 of 1 checks this week 614 ms Everything else
$0.001/page
Answering api.relaystation.ai listed $0.01 answered 1 of 1 checks this week 619 ms Everything else
$0.010/document
Answering api.relaystation.ai listed $0.01 answered 1 of 1 checks this week 616 ms Everything else
0/1 knapsack solver — exact work-bounded capacity planning and portfolio selecti
Answering decision-solver.use.x402atlas.com listed $0.005 answered 1 of 1 checks this week 628 ms Everything else
A Farcaster user's recent casts by fid or username, newest first, optionally inc
Answering agent402.tools listed $0.004 answered 1 of 1 checks this week 944 ms Everything else
A Hyperliquid account's fee schedule and trailing volume, for any 0x address
Answering hyperliquid-accounts.use.x402atlas.com listed $0.01 answered 1 of 1 checks this week 610 ms Everything else
A Hyperliquid account's historical account value and PnL across day/week/month/a
Answering hyperliquid-accounts.use.x402atlas.com listed $0.01 answered 1 of 1 checks this week 634 ms Everything else
A generic allowlisted read-only JSON-RPC call to Base mainnet
Answering hubvibe-io.com listed $0.05 answered 1 of 1 checks this week 850 ms Everything else
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