Which x402 sellers are up, and used
Every night Factline reads the Coinbase x402 Bazaar, groups listings by seller, and calls one paid endpoint of each seller without paying, to see if it still answers a valid x402 payment challenge. 541 sellers tracked, updated 2026-10-13. Write-up of the first numbers: what 517 paid x402 APIs look like.
| Seller | Payers 30d | Calls 30d | Listings | Valid 402 | Speed | Networks |
|---|---|---|---|---|---|---|
| AX1 Console www.ax1.vc | 4,334 | 394,055 | 1 | 100% | 462 ms | Base |
| api.onesource.io api.onesource.io | 566 | 10,435 | 33 | 100% | 766 ms | Base |
| StableEnrich stableenrich.dev | 171 | 30,706 | 10 | 100% | 374 ms | Base, Solana |
| tick.hugen.tokyo tick.hugen.tokyo | 150 | 488 | 3 | 100% | 226 ms | Base, Solana |
| X Pay www.api-xpay.com | 142 | 20,559 | 4 | 100% | 434 ms | Base |
| BlockRun.AI blockrun.ai | 93 | 9,874 | 42 | 100% | 398 ms | Base |
| Exa api.exa.ai | 92 | 5,552 | 2 | 100% | 441 ms | eip155:480, eip155:5042, Base, Solana |
| Otto AI x402.ottoai.services | 79 | 2,309 | 66 | 100% | 461 ms | Base, Solana |
| Oblique Markets api.oblique.markets | 67 | 534 | 47 | 100% | 541 ms | Base, Solana |
| ApiToll Crypto Prices crypto.apitoll.cloud | 65 | 206 | 11 | 100% | 381 ms | Base, Solana |
| api.run402.com api.run402.com | 61 | 61 | 1 | 100% | 648 ms | Base, eip155:84532 |
| topagentx402.vercel.app topagentx402.vercel.app | 58 | 214 | 2 | 100% | 384 ms | eip155:84532 |
| keyring-agent.blockchhub.link keyring-agent.blockchhub.link | 58 | 26,245 | 2 | 100% | 850 ms | Base |
| Random Fact randomfactsx402.vercel.app | 57 | 375 | 1 | 100% | 410 ms | Base |
| Coin Flip coinflip402.vercel.app | 54 | 74 | 1 | 100% | 403 ms | Base |
| api.loyalspark.online api.loyalspark.online | 54 | 3,923 | 27 | 100% | 449 ms | Base |
| Useless Fact x402uselessfacts.vercel.app | 53 | 83 | 1 | 100% | 397 ms | Base |
| Latest Cars 2026 cars2026.vercel.app | 51 | 78 | 1 | 100% | 400 ms | Base |
| Horror Story API horrorstoryapi.vercel.app | 48 | 522 | 1 | 100% | 430 ms | Base |
| Life Advice x402lifeadvice.vercel.app | 47 | 73 | 1 | 100% | 463 ms | Base |
| Word of the Day x402wordoftheday.vercel.app | 47 | 64 | 1 | 100% | 460 ms | Base |
| Fortune Generator ladyfortunalx402.vercel.app | 46 | 181 | 1 | 100% | 484 ms | Base |
| StableUpload stableupload.dev | 46 | 388 | 2 | 100% | 544 ms | Base, Solana |
| Dice Roller dicex402.vercel.app | 45 | 66 | 1 | 100% | 482 ms | Base |
| Meme Generator memegeneratorx402.vercel.app | 44 | 87 | 1 | 100% | 526 ms | Base |
| Roast Generator roastx402endpoint.vercel.app | 44 | 64 | 1 | 100% | 2,164 ms | Base |
| api.printmoneylab.com api.printmoneylab.com | 44 | 82 | 2 | 100% | 861 ms | eip155:137, Base, Solana |
| Random Joke API jokes-endpoint.vercel.app | 39 | 61 | 1 | 100% | 542 ms | Base |
| Riddle Oracle riddlex402.vercel.app | 39 | 56 | 1 | 100% | 522 ms | Base |
| Weight Converter API weight402endpoint.vercel.app | 38 | 57 | 1 | 100% | 560 ms | Base |
| Nansen api.nansen.ai | 38 | 3,431 | 20 | 100% | 554 ms | eip155:143, eip155:196, eip155:56, Base, Solana |
| Timezone Converter 402timezones.vercel.app | 37 | 58 | 1 | 100% | 480 ms | Base |
| agentbit.app agentbit.app | 37 | 69 | 1 | 100% | 621 ms | eip155:137, eip155:42161, eip155:480, Base, Solana |
| Laso Finance laso.finance | 32 | 149 | 6 | 100% | 503 ms | Base, Solana |
| Bitrefill api.bitrefill.com | 32 | 348 | 8 | 100% | 402 ms | eip155:137, eip155:42161, Base, lnbtc:000000000019d6689c085ae165831e93, Solana |
| Apify agi.apify.com | 31 | 123 | 1 | 100% | 523 ms | Base, Solana |
| 402rates.com api.402rates.com | 30 | 42 | 3 | 100% | 340 ms | eip155:137, eip155:42161, eip155:50, Base |
| ApiToll SEC Filings edgar.apitoll.cloud | 29 | 75 | 3 | 100% | 368 ms | Base, Solana |
| Web Search, News & Page Reader websearch.use.x402atlas.com | 28 | 160 | 3 | 100% | 532 ms | eip155:137, eip155:42161, Base, Solana |
| glim.sh glim.sh | 28 | 888 | 18 | 100% | 776 ms | eip155:143, Base, Solana |
| Ausca Agent Inbox ausca.com | 27 | 369 | 6 | 100% | 326 ms | Base |
| Twitter/X API twitter.use.x402atlas.com | 27 | 1,008 | 20 | 100% | 508 ms | eip155:137, eip155:42161, Base, Solana |
| HyperNatt Terminal hypernatt.com | 27 | 65 | 2 | 100% | 207 ms | Base, Solana |
| x402.twit.sh x402.twit.sh | 26 | 3,719 | 9 | 100% | 355 ms | Base |
| TenPrint rubric-protocol.com | 26 | 389 | 28 | 100% | 547 ms | algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, Base, Solana |
| x402.tavily.com x402.tavily.com | 25 | 953 | 1 | 100% | 1,560 ms | aws:base, Base |
| hyperextend api.hyperextend.xyz | 25 | 69 | 8 | 100% | 273 ms | Base, hyperliquid:mainnet |
| Cult OS Developer Tools www.cultos.dev | 25 | 262 | 7 | 100% | 2,488 ms | Base, Solana |
| Vibe Springs vibesprings.net | 24 | 100 | 25 | 100% | 439 ms | Base |
| agent demand radar agent402.tools | 23 | 5,731 | 71 | 100% | 406 ms | algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, eip155:137, eip155:143, eip155:42161, eip155:42220, eip155:43114, eip155:4663, Base, Solana, stellar:pubnet |
| CheapTokens AI Inference cheaptokens.ai | 23 | 483 | 1 | 100% | 504 ms | Base |
| Hyperliquid Prediction Markets hyperliquid-predict.use.x402atlas.com | 22 | 33 | 2 | 100% | 489 ms | eip155:137, eip155:42161, Base, Solana |
| Quartermaster Gas Prices quartermaster.surewhynot.app | 22 | 193 | 41 | 100% | 469 ms | Base, Solana |
| pro-api.coinmarketcap.com pro-api.coinmarketcap.com | 21 | 172 | 2 | 100% | 275 ms | eip155:56, Base |
| api.you.com api.you.com | 20 | 644 | 1 | 100% | 1,092 ms | Base, Solana |
| botsmith x402.botsmith.dev | 20 | 421 | 7 | 100% | 1,178 ms | Base |
| CoinGecko pro-api.coingecko.com | 20 | 161 | 35 | 100% | 335 ms | Base, Solana |
| Otto AI api.aidress.ai | 19 | 87 | 10 | 100% | 848 ms | eip155:137, Base, Solana |
| AX1 Console ax1-new.vercel.app | 19 | 60 | 1 | 100% | 510 ms | Base |
| BAGS Agent API www.getbags.app | 18 | 41 | 4 | 100% | 1,330 ms | Base, eip155:84532 |
| x402.sniperx.fun x402.sniperx.fun | 17 | 34,447 | 4 | 100% | 522 ms | Solana |
| sandbox.node4all.com sandbox.node4all.com | 17 | 52 | 1 | 100% | 292 ms | eip155:84532 |
| Glassnode x402.glassnode.com | 17 | 1,068 | 22 | 100% | 209 ms | Base |
| Chit402 api.chit402.com | 17 | 40 | 1 | 100% | 350 ms | Base, Solana |
| x402scan www.x402scan.com | 16 | 610 | 2 | 100% | 289 ms | Base |
| StableTravel stabletravel.dev | 16 | 4,143 | 8 | 100% | 318 ms | Base, Solana |
| Wallets Demo Weather wallets-demo-seller-server.calebgcarithers.workers.dev | 16 | 119 | 1 | 100% | 512 ms | eip155:84532 |
| Omni Terminal omniterminal.app | 16 | 94 | 13 | 100% | 247 ms | Base, eip155:84532 |
| IXS api-dev-v2.ixs.finance | 16 | 16 | 1 | 100% | 654 ms | Base |
| x402.asterpay.io x402.asterpay.io | 16 | 132 | 7 | 100% | 342 ms | eip155:1, eip155:10, eip155:1187947933, eip155:137, eip155:42161, Base |
| AgentPay Pre-Trade Risk Check agentpay.tools | 15 | 39 | 2 | 100% | 427 ms | Base, stacks:1 |
| x402 Weather API x402tap.com | 15 | 130 | 16 | 100% | 269 ms | eip155:137, eip155:42161, Base, Solana |
| StableStudio stablestudio.dev | 14 | 52 | 1 | 100% | 341 ms | Base, Solana |
| Coil Crypto Gate coil.trade | 14 | 163 | 22 | 100% | 278 ms | algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, Base, Solana |
| Google Trends SEO Keyword Data google-trends.use.x402atlas.com | 14 | 1,615 | 4 | 100% | 452 ms | eip155:137, eip155:42161, Base, Solana |
| ApiToll Base Gas Oracle gas.apitoll.cloud | 14 | 14 | 1 | 100% | 391 ms | Base |
| SCVD General Store scvd.store | 14 | 106 | 20 | 100% | 726 ms | eip155:137, eip155:42161, eip155:480, Base, Solana |
| Minifetch Technical SEO API minifetch.com | 14 | 71 | 6 | 100% | 735 ms | Base, Solana |
| Broken Key Remapper brokenkey-api-link-tau.vercel.app | 13 | 14 | 1 | 100% | 620 ms | Base |
| RobinX api.robinx.io | 13 | 50 | 8 | 100% | 388 ms | Base |
| HTTP Security Headers Check headers.use.x402atlas.com | 13 | 27 | 1 | 100% | 482 ms | eip155:137, eip155:42161, Base, Solana |
| StableBrowser www.stablebrowser.dev | 12 | 77 | 1 | 100% | 419 ms | Base |
| win.oneshotagent.com win.oneshotagent.com | 12 | 42,471 | 8 | 100% | 430 ms | Base |
| base-gas-x402 base-gas-x402-production.up.railway.app | 12 | 720 | 1 | 100% | 388 ms | Base |
| quotient-api-gateway.onrender.com quotient-api-gateway.onrender.com | 12 | 373 | 7 | 100% | 817 ms | Base |
| api.clawfetch.ai api.clawfetch.ai | 12 | 199 | 5 | 100% | 297 ms | Base |
| CoinGecko Crypto Price & Data coingecko.use.x402atlas.com | 12 | 73 | 6 | 100% | 595 ms | eip155:137, eip155:42161, Base, Solana |
| API Acre apiacre.com | 12 | 71 | 26 | 100% | 341 ms | Base, Solana |
| x402-test.genesisblock.ai x402-test.genesisblock.ai | 12 | 56 | 1 | 100% | 664 ms | eip155:84532 |
| Vaaya vaaya.ai | 11 | 1,230 | 22 | 100% | 588 ms | Base |
| Web Search (SERP) api.kadec0.xyz | 11 | 2,779 | 43 | 100% | 506 ms | Base |
| NodeFlare rpc.nodeflare.app | 11 | 231 | 18 | 100% | 243 ms | eip155:137, eip155:42161, Base |
| LION Verified Company lionx402.com | 11 | 76 | 20 | 100% | 729 ms | Base |
| Toolsmith toolcall.click | 11 | 48 | 14 | 100% | 541 ms | Base |
| Brazil Data API brasil-dados-api.onrender.com | 11 | 43 | 3 | 100% | 616 ms | Base, Solana |
| Superhighway sh-origin.walls.sh | 11 | 35 | 2 | 100% | 309 ms | Base |
| JAW.id ENS Resolver api.justaname.id | 11 | 40 | 2 | 100% | 337 ms | Base |
| JMT WHOIS RDAP jmt-x402-proxy.jmthomasofficial.workers.dev | 11 | 30 | 6 | 100% | 692 ms | Base |
| Hyperliquid Smart Money Data API whaletape.xyz | 10 | 46 | 3 | 100% | 248 ms | algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:42161, eip155:4663, Base, Solana |
| web-news api.agentstools.dev | 10 | 268 | 17 | 100% | 286 ms | Base |
Sellers from the Coinbase x402 Bazaar, ranked by unique payers in the last 30 days as Bazaar reports them (self-payments are not filtered out). valid_402_rate: share of Factline's daily probes where a sample endpoint answered a valid x402 payment challenge.
For agents and aggregators
Free JSON: https://factline.dev/v1/x402/sellers?q=sanctions (also tag, network, limit). Before paying a seller, check the seller itself: Payee check.