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
$339,674USDC received on Base, 7 days
| # | Provider | Score | Now | Uptime 72h | Income 7d | Payers 7d | Endpoints | From |
|---|---|---|---|---|---|---|---|---|
| 851 | Particle Pro api.particle.pro |
56.1 | live | 100% | $0.14 | 6 | 17 | $0.01 |
| 852 | Machine Commerce Lab machine-commerce-lab.machinecommercelab.workers.dev |
56.1 | live | 100% | $0.14 | 6 | 2 | $0.01 |
| 853 | Exchange Trading Calendar handelskalender-api.pages.dev |
56.1 | live | 100% | $0.038 | 7 | 3 | $0.002 |
| 854 | GadgetHumans API api.gadgethumans.com |
56.1 | live | 100% | $0.033 | 7 | 47 | $0.001 |
| 855 | KushBitx AgentProof kushbitx.com |
56.1 | live | 100% | $0.03164 | 7 | 5 | $0.001 |
| 856 | d21 wiki_trends_pulse draconic21-x402-api.onrender.com |
56.1 | live | 100% | $0.024 | 7 | 42 | $0.001 |
| 857 | pkg-oracle mcp-snowy-dew-9447.fly.dev |
56.1 | live | 100% | $0.024 | 7 | 1 | $0.003 |
| 858 | RSoft Bank 7mavs5vu7ggbhtxvbavdgs26qa0cbawg.lambda-url.us-east-1.on.aws |
56.1 | live | 100% | $0.02 | 7 | 7 | $0.001 |
| 859 | AARN Web Read api.aarn.space |
56.1 | live | 100% | $0.019 | 7 | 2 | $0.002 |
| 860 | Old Colony Web Agent Services api.oldcolonyweb.com |
56.1 | live | 100% | $0.019 | 7 | 5 | $0.002 |
| 861 | Kalshi SOL Hourly Signal backend-production-69ff.up.railway.app |
56.1 | live | 100% | $0.018 | 7 | 3 | $0.02 |
| 862 | Chit402 api.chit402.com |
56.1 | live | 100% | $0.016 | 7 | 1 | $0.002 |
| 863 | api.predictionmarketdata.io api.predictionmarketdata.io |
56.1 | live | 100% | $0.01 | 7 | 8 | $0.001 |
| 864 | how.is how.is |
56.0 | live | 100% | $0.53 | 4 | 23 | $0.005 |
| 865 | Atlas Market Data marketdata.use.x402atlas.com |
56.0 | live | 100% | shared | 4 | 23 | $0.015 |
| 866 | Base DeFi risk intel intel.fintechhodl.com |
56.0 | live | 100% | $0.28 | 5 | 14 | $0.01 |
| 867 | Kakerapetit api.kakerapetit.dev |
56.0 | live | 100% | $0.114 | 6 | 11 | $0.002 |
| 868 | api.metalend.tech api.metalend.tech |
56.0 | live | 100% | $0.007 | 7 | 1 | $0.001 |
| 869 | api.dripmetrics.ai api.dripmetrics.ai |
55.9 | live | 100% | $1.30 | 2 | 11 | $0.05 |
| 870 | AlphaPipeline Token Risk Scanner alphapipeline-eu.onrender.com |
55.9 | live | 100% | $0.259 | 5 | 18 | $0.001 |
| 871 | Barker mcp.barker.money |
55.9 | live | 100% | $0.076 | 6 | 3 | $0.001 |
| 872 | api.aventtech.com api.aventtech.com |
55.9 | live | 100% | $0.07 | 6 | 20 | $0.01 |
| 873 | avt-x402.ttsempelis.workers.dev avt-x402.ttsempelis.workers.dev |
55.9 | live | 100% | $0.07 | 6 | 1 | $0.01 |
| 874 | OceanAlt oceanalt.com |
55.8 | live | 100% | $0.406 | 4 | 5 | $0.002 |
| 875 | RAVN app.ravn.exchange |
55.8 | live | 100% | $0.202498 | 5 | 2 | $0.001 |
| 876 | jurat.dev jurat.dev |
55.8 | live | 100% | $0.06 | 6 | 1 | $0.01 |
| 877 | Next Generation Movers ngm-agent-api.nextgenmovers.workers.dev |
55.8 | live | 100% | $0.06 | 6 | 1 | $0.01 |
| 878 | Annalist api.annalist.dev |
55.8 | live | 100% | $0.045 | 6 | 35 | $0.005 |
| 879 | Indo News API indo-news-api.vercel.app |
55.7 | live | 100% | $0.68 | 3 | 7 | $0.05 |
| 880 | library.proofivy.com library.proofivy.com |
55.7 | live | 100% | $0.18 | 5 | 5 | $0.01 |
| 881 | api.liquidagent.ai api.liquidagent.ai |
55.7 | live | 100% | $0.170041 | 5 | 19 | $0.001 |
| 882 | api.isocast.dev api.isocast.dev |
55.7 | live | 100% | $0.17 | 5 | 1 | $0.01 |
| 883 | Aegis Curated Briefing aegis-ai.xyz |
55.7 | live | 100% | $0.034 | 6 | 2 | $0.006 |
| 884 | getbits.net getbits.net |
55.7 | live | 100% | $0.034 | 6 | 1 | $0.02 |
| 885 | cryptofeed402 cryptofeed402.site |
55.7 | live | 100% | $0.0325 | 6 | 13 | $0.002 |
| 886 | cryptoshark.duckdns.org cryptoshark.duckdns.org |
55.7 | live | 100% | $0.03 | 6 | 1 | $0.005 |
| 887 | Site Quality Audit mudko.com |
55.7 | live | 100% | $0.029 | 6 | 7 | $0.10 |
| 888 | mcp.blocksize.info mcp.blocksize.info |
55.7 | live | 100% | $0.027 | 6 | 4 | $0.002 |
| 889 | Aether aether-x402.vercel.app |
55.7 | live | 100% | $0.024 | 6 | 22 | $0.001 |
| 890 | Text Tools API 2-28-111-166.sslip.io |
55.7 | live | 100% | $0.018 | 6 | 5 | $0.002 |
| 891 | api-datos-uy-ar api-datos-uy-ar.vercel.app |
55.7 | live | 100% | $0.018 | 6 | 1 | $0.002 |
| 892 | api-datos-uy-ar datosuyar.dev |
55.7 | live | 100% | $0.018 | 6 | 1 | $0.003 |
| 893 | 767-2676.com 767-2676.com |
55.7 | live | 100% | $0.011 | 6 | 3 | $0.001 |
| 894 | commodities.sh api.commodities.sh |
55.6 | live | 100% | $0.33 | 4 | 1 | $0.01 |
| 895 | CRYPTYX cryptyx.ai |
55.6 | live | 100% | $0.14 | 5 | 63 | $0.005 |
| 896 | Blockchain Money Map api.blockchainmoneymap.com |
55.6 | live | 100% | $0.13 | 5 | 109 | $0.01 |
| 897 | api.satledger.org api.satledger.org |
55.5 | live | 100% | $1.05 | 2 | 2 | $0.05 |
| 898 | aoe-tip-seller.magicalcifer.workers.dev aoe-tip-seller.magicalcifer.workers.dev |
55.5 | live | 100% | $1.01 | 2 | 49 | $0.001 |
| 899 | ioswarm.io ioswarm.io |
55.5 | live | 100% | $1.01 | 2 | 16 | $0.01 |
| 900 | BeliefState beliefstate.ai |
55.5 | live | 100% | $0.28 | 4 | 2 | $0.02 |
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 16 min ago. LogicNodes does not run these services or take a cut.