x402 Observatory

Every paid API in the public x402 directories, checked by LogicNodes: does it really answer with valid payment terms, how reliably, and how much USDC its payout address actually receives.

128,156paid endpoints listed
4,176providers
1,927 / 2,182live at last check / checked
$345,745USDC received on Base, 7 days
#ProviderScoreNowUptime 72hIncome 7dPayers 7dEndpointsFrom
1001food-hygiene-verify.iykykblog.workers.dev
food-hygiene-verify.iykykblog.workers.dev		 55.0live100%shared31$0.05
1002formd-offering-verify.iykykblog.workers.dev
formd-offering-verify.iykykblog.workers.dev		 55.0live100%shared31$0.05
1003holdings-13f-verify.iykykblog.workers.dev
holdings-13f-verify.iykykblog.workers.dev		 55.0live100%shared31$0.08
1004home-health-screen.iykykblog.workers.dev
home-health-screen.iykykblog.workers.dev		 55.0live100%shared31$0.05
1005hospital-screen.iykykblog.workers.dev
hospital-screen.iykykblog.workers.dev		 55.0live100%shared31$0.08
1006ireland-charity-verify.iykykblog.workers.dev
ireland-charity-verify.iykykblog.workers.dev		 55.0live100%shared31$0.05
1007mine-safety-screen.iykykblog.workers.dev
mine-safety-screen.iykykblog.workers.dev		 55.0live100%shared31$0.05
1008nonprofit-verify.iykykblog.workers.dev
nonprofit-verify.iykykblog.workers.dev		 55.0live100%shared31$0.05
1009nrc-event-screen.iykykblog.workers.dev
nrc-event-screen.iykykblog.workers.dev		 55.0live100%shared31$0.05
1010nursing-home-screen.iykykblog.workers.dev
nursing-home-screen.iykykblog.workers.dev		 55.0live100%shared31$0.08
1011nyc-license-verify.iykykblog.workers.dev
nyc-license-verify.iykykblog.workers.dev		 55.0live100%shared31$0.05
1012nz-charity-verify.iykykblog.workers.dev
nz-charity-verify.iykykblog.workers.dev		 55.0live100%shared31$0.05
1013Protocol Radar - Aaron Zhang
aaron-protocol-radar.vercel.app		 55.0live100%$0.1244$0.01
1014Bitcoin Tech Radar - Aaron Zhang
btc-radar.vercel.app		 55.0live100%$0.1243$0.01
1015Hyperliquid Account Intelligence
hyperliquid-accounts.use.x402atlas.com		 55.0live100%shared47$0.01
1016Stelar Digital
api.stelardigital.com		 55.0live100%$0.09545$0.005
1017SAVER Verifier
agent-production-9804.up.railway.app		 54.9live100%$1.4011$0.20
1018SAVER Verifier Fact Checking
api.saververify.com		 54.9live100%$1.4012$0.20
1019DCL Trust Oracle
bazaar.fronesislabs.com		 54.9live100%$0.71210$0.01
1020Domain & Network Lookup
agentpay.agentpay-apis.workers.dev		 54.9live100%$0.08548$0.005
1021Islamic Prayer Times
api.qist.info		 54.9live100%$0.0842$0.01
1022Islamic Prayer Times
bazaar-catalog.vercel.app		 54.9live100%$0.0842$0.01
1023RugShield Solana Tx Guard
getrugshield.com		 54.9live100%$0.0843$0.01
1024PaywallWatch
api.paywallwatch.com		 54.9live100%$0.07242$0.003
1025SYNTHORA
api.hergertsynthora.com		 54.9live100%$0.07149$0.01
1026dnsdomain.hergertsynthora.com
dnsdomain.hergertsynthora.com		 54.9live100%$0.07141$0.001
1027npm-downloads-range.hergertsynthora.com
npm-downloads-range.hergertsynthora.com		 54.9live100%$0.07141$0.001
1028DataForAgents
dataforagents.net		 54.9live100%$0.0742$0.01
1029Eagle Eye
eagle.quickai.build		 54.9live100%$0.06541$0.005
1030api.blockscout.com
api.blockscout.com		 54.8live100%$0.65427$0.002
1031Messy Virgo
api.messyvirgo.com		 54.8live100%$0.6328$0.01
1032DeepAI
deepai.pay.zeroclick.io		 54.8live100%$0.06424$0.01
1033jsonrecon.com
jsonrecon.com		 54.8live100%$0.05543$0.005
1034cryptodataapi.com
cryptodataapi.com		 54.8live100%$0.05447$0.008
1035Court Delta Pro
mcp.courtdelta.com		 54.8live100%$0.0544$0.01
1036Verif Entreprise FR
api-production-24833.up.railway.app		 54.8live100%$0.04844$0.002
1037DEBYKO
api.debyko.com		 54.8live100%$0.04544$0.005
1038api.monpham.work
api.monpham.work		 54.8live100%$0.04242$0.003
1039Polyform
api.polyform.org		 54.8live100%$0.0441$0.01
1040api.rafidsystem.com
api.rafidsystem.com		 54.8live100%$0.0441$0.01
1041data.spencermcw.com
data.spencermcw.com		 54.8live100%$0.04419$0.005
1042forge-economic-agent.vercel.app
forge-economic-agent.vercel.app		 54.8live100%$0.0441$0.01
1043Whale Intelligence
mcp.dropenginehq.com		 54.8live100%$0.038415$0.001
1044M2M Sentinel
api.m2msentinel.com		 54.8live100%$0.0343$0.005
1045ThaiKit
api.thaikit.dev		 54.8live100%$0.03422$0.005
1046EdgeCheck
backtest.thaikit.dev		 54.8live100%$0.0341$0.10
1047fetchharbor.benlab.download
fetchharbor.benlab.download		 54.8live100%$0.0343$0.005
1048cc0.company
cc0.company		 54.7live100%$0.227310$0.01
1049Singapore ACRA Company Registry
data.finery.cc		 54.7live100%$0.02542$0.005
1050ENTROPY.RIP
entropy.rip		 54.7live100%$0.02543$0.005
← previous4,176 providersnext →
For agents: call x402_service_search over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/x402_service_search {"query":"weather"} to get the best live endpoint with an example input. For sellers: claim your listing, add the badge, or get alerts when your API stops answering (x402_monitor_create, $5 for 30 days). JSON: /v1/observatory/providers.

Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. Directories read 3 h ago. LogicNodes does not run these services or take a cut.