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.
127,447paid endpoints listed
4,351providers
3,601 / 4,084live at last check / checked
$305,329USDC received on Base, 7 days
| # | Provider | Score | Now | Uptime 72h | Income 7d | Payers 7d | Endpoints | From |
|---|---|---|---|---|---|---|---|---|
| 2801 | cleared.ink cleared.ink |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2802 | councilof.ai councilof.ai |
52.0 | live | 100% | $0.01 | 1 | 7 | $0.00 |
| 2803 | Signals Radar crypto-threat-signals-api.onrender.com |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2804 | diligence.x402supply.com diligence.x402supply.com |
52.0 | live | 100% | shared | 1 | 1 | $0.02 |
| 2805 | disruption.forgemesh.io disruption.forgemesh.io |
52.0 | live | 100% | $0.01 | 1 | 9 | $0.01 |
| 2806 | X402 Doctor doctor.promoclube.online |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2807 | entity-resolve.x402supply.com entity-resolve.x402supply.com |
52.0 | live | 100% | shared | 1 | 1 | $0.02 |
| 2808 | NOB7E Evidence Verdict evidence-verdict-production.up.railway.app |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2809 | fda-iom-api.canvas-cart.workers.dev fda-iom-api.canvas-cart.workers.dev |
52.0 | live | 100% | shared | 1 | 1 | $0.01 |
| 2810 | FERAL JSON Guard feral-tools.vercel.app |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2811 | search_carriers fmcsa-mcp-843680657471.us-central1.run.app |
52.0 | live | 100% | $0.01 | 1 | 11 | $0.01 |
| 2812 | forge-economic-agent.vercel.app forge-economic-agent.vercel.app |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2813 | Agent Action Safety Quick Gate hermesplant.com |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2814 | hts-classify.x402supply.com hts-classify.x402supply.com |
52.0 | live | 100% | shared | 1 | 1 | $0.10 |
| 2815 | http-security-headers-grade.x402supply.com http-security-headers-grade.x402supply.com |
52.0 | live | 100% | shared | 1 | 1 | $0.01 |
| 2816 | HumanMirror humanmirror.fr |
52.0 | live | 100% | $0.01 | 1 | 5 | $0.01 |
| 2817 | imf-datamapper-series.x402supply.com imf-datamapper-series.x402supply.com |
52.0 | live | 100% | shared | 1 | 1 | $0.005 |
| 2818 | Base DeFi risk intel intel.fintechhodl.com |
52.0 | live | 100% | $0.01 | 1 | 14 | $0.01 |
| 2819 | irb-precedent-api.canvas-cart.workers.dev irb-precedent-api.canvas-cart.workers.dev |
52.0 | live | 100% | shared | 1 | 1 | $0.01 |
| 2820 | irm-api.canvas-cart.workers.dev irm-api.canvas-cart.workers.dev |
52.0 | live | 100% | shared | 1 | 1 | $0.01 |
| 2821 | x-preflight kevinhoff.com |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2822 | know.fast know.fast |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2823 | Digital Lemonade Stand lemonade-stand.pt |
52.0 | live | 100% | $0.01 | 1 | 2 | $0.01 |
| 2824 | lumierepaycheck.org lumierepaycheck.org |
52.0 | live | 100% | $0.01 | 1 | 7 | $0.005 |
| 2825 | Blue Cap hash.compute machine.soundiq.io |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2826 | machinemint-native-x402-production.up.railway.app machinemint-native-x402-production.up.railway.app |
52.0 | live | 100% | $0.01 | 1 | 2 | $0.01 |
| 2827 | madoromi madoromi.fun |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2828 | Viridis Agent Fleet mcp.viridisconservation.com |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2829 | ZenSched mcp.zensched.com |
52.0 | live | 100% | $0.01 | 1 | 15 | $0.01 |
| 2830 | Moneylab money-lab.app |
52.0 | live | 100% | $0.01 | 1 | 5 | $0.01 |
| 2831 | nbx4 EVM Mechanism Evidence nbx4.dev |
52.0 | live | 100% | $0.01 | 1 | 2 | $0.01 |
| 2832 | nbxs4 Solana Mint Evidence nbxs4.nbx4.dev |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2833 | nexuseval.vercel.app nexuseval.vercel.app |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2834 | nooscape.si nooscape.si |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2835 | page-extract.x402supply.com page-extract.x402supply.com |
52.0 | live | 100% | shared | 1 | 1 | $0.01 |
| 2836 | paid-mcp-opportunity-lab--taylorboucher1.replit.app paid-mcp-opportunity-lab--taylorboucher1.replit.app |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2837 | paulgraham.persona.energy paulgraham.persona.energy |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2838 | Pay Per Demo pay-per-demo.vercel.app |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2839 | paysafe-agent.com paysafe-agent.com |
52.0 | live | 100% | $0.01 | 1 | 4 | $0.01 |
| 2840 | People's Court peoplescourt.ai |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2841 | Peyon x402 endpoint checker peyon.ai |
52.0 | live | 100% | $0.01 | 1 | 14 | $0.01 |
| 2842 | pii-redact.x402supply.com pii-redact.x402supply.com |
52.0 | live | 100% | shared | 1 | 1 | $0.02 |
| 2843 | polymarket-snapshot.x402supply.com polymarket-snapshot.x402supply.com |
52.0 | live | 100% | shared | 1 | 1 | $0.005 |
| 2844 | polymarketeer.vercel.app polymarketeer.vercel.app |
52.0 | live | 100% | $0.01 | 1 | 4 | $0.01 |
| 2845 | poms-api.canvas-cart.workers.dev poms-api.canvas-cart.workers.dev |
52.0 | live | 100% | shared | 1 | 1 | $0.01 |
| 2846 | proof.platoskallipolis.com proof.platoskallipolis.com |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2847 | protocol-tvl-brief.x402supply.com protocol-tvl-brief.x402supply.com |
52.0 | live | 100% | shared | 1 | 1 | $0.01 |
| 2848 | Random Fact randomfactsx402.vercel.app |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2849 | red-breeze-8b8c.keenanbooker83.workers.dev red-breeze-8b8c.keenanbooker83.workers.dev |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
| 2850 | Wicked Registry registry.wickedapi.com |
52.0 | live | 100% | $0.01 | 1 | 1 | $0.01 |
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 11 h ago. LogicNodes does not run these services or take a cut.