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.
126,094paid endpoints listed
4,142providers
1,938 / 2,195live at last check / checked
$320,287USDC received on Base, 7 days
| # | Provider | Score | Now | Uptime 72h | Income 7d | Payers 7d | Endpoints | From |
|---|---|---|---|---|---|---|---|---|
| 401 | OrionCMD Checks api.orioncmd.com |
63.6 | live | 100% | shared | 18 | 12 | $0.01 |
| 402 | PaidPilot Invoice API api.paidpilot.io |
63.6 | live | 100% | shared | 18 | 6 | $0.01 |
| 403 | PulseWatch Status API api.pulsewatch.us |
63.6 | live | 100% | shared | 18 | 3 | $0.01 |
| 404 | Dragons Eye Lookup api.ransomware-tracker.com |
63.6 | live | 100% | shared | 18 | 12 | $0.01 |
| 405 | Dragons Eye Lookup dragonseye-lookup.dario-9fa.workers.dev |
63.6 | live | 100% | shared | 18 | 1 | $0.01 |
| 406 | Dragons Eye Watchlist dragonseye-watchlist.dario-9fa.workers.dev |
63.6 | live | 100% | shared | 18 | 1 | $2.00 |
| 407 | NIGHTSHIFT Services getnightshift.tech |
63.3 | live | 100% | $16.05 | 3 | 5 | $0.01 |
| 408 | Agent trust check before paying apexfaucet.xyz |
63.3 | live | 100% | $3.19 | 19 | 141 | $0.001 |
| 409 | x402 Seller Check 402.com.tr |
63.2 | live | 100% | $3.18 | 18 | 99 | $0.002 |
| 410 | x402 Settlement Review api.aiskills402.com |
63.1 | live | 100% | shared | 15 | 172 | $0.003 |
| 411 | Horizon Pulse horizonpulse.dev |
62.9 | live | 100% | $2.54 | 20 | 37 | $0.002 |
| 412 | Agent Arcade: Reasoning Games agent-arcade.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 10 | $0.005 |
| 413 | Artifact Inspector artifact-inspector.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 5 | $0.005 |
| 414 | US Treasury Interest Costs avg-interest-rates.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 1 | $0.01 |
| 415 | URL to Base64 base64encode.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 1 | $0.01 |
| 416 | Biomedical Grant Search biomedical-grants.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 3 | $0.01 |
| 417 | Brazil Rates and Inflation brazil-macro.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 2 | $0.01 |
| 418 | Canadian Rates and Yields canada-rates.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 1 | $0.01 |
| 419 | EVM & Solana Utility Tools chain-tools.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 7 | $0.005 |
| 420 | Clinical Trial Updates clinical-trials.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 2 | $0.01 |
| 421 | Bounded Decision Solver decision-solver.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 4 | $0.005 |
| 422 | Open Source Vulnerability Check dependency-risk.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 3 | $0.005 |
| 423 | Earthquake Intelligence earthquakes.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 2 | $0.005 |
| 424 | eBay Search, Comps & Products ebay.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 2 | $0.02 |
| 425 | Currency Exchange Rate exchange.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 1 | $0.01 |
| 426 | FDA Drug Recalls fda-drugs.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 3 | $0.01 |
| 427 | Flight Search & Airfares flights.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 1 | $0.05 |
| 428 | google-patents.use.x402atlas.com google-patents.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 2 | $0.02 |
| 429 | Holiday Calendar API holidays.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 5 | $0.005 |
| 430 | Jobs Search jobs.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 1 | $0.05 |
| 431 | Global Legal Entities legal-entities.use.x402atlas.com |
62.9 | live | 100% | shared | 23 | 1 | $0.01 |
| 432 | gamemaxxing.baes.so gamemaxxing.baes.so |
62.8 | live | 100% | $4.98 | 10 | 1 | $0.001 |
| 433 | BrainChain brain.usebrainchain.com |
62.7 | live | 100% | $13.50 | 3 | 1 | $1.00 |
| 434 | bazaar.agentexchange.work bazaar.agentexchange.work |
62.7 | live | 100% | $4.08 | 12 | 1 | $1.00 |
| 435 | finance-api.kdlcfa.workers.dev finance-api.kdlcfa.workers.dev |
62.7 | live | 100% | $1.01 | 36 | 19 | $0.01 |
| 436 | agentx.sale agentx.sale |
62.6 | live | 100% | $7.47 | 6 | 26 | $0.01 |
| 437 | moneyman_kit moneyman-kit-x402-0sd6av.openpouch.sh |
62.5 | live | 100% | $10.05 | 4 | 4 | $0.005 |
| 438 | api.demandex.dev api.demandex.dev |
62.5 | live | 100% | shared | 22 | 3 | $0.01 |
| 439 | api.gitbeacon.dev api.gitbeacon.dev |
62.5 | live | 100% | shared | 22 | 1 | $0.01 |
| 440 | api.orcatrace.dev api.orcatrace.dev |
62.5 | live | 100% | shared | 22 | 3 | $0.01 |
| 441 | api.signalis.dev api.signalis.dev |
62.5 | live | 100% | shared | 22 | 2 | $0.01 |
| 442 | x402 Checkup 26y54j5j9z6r6ctr.68r.lambda-web.us-east-1.on.aws |
62.4 | live | 100% | shared | 17 | 1 | $0.005 |
| 443 | x402 Image Tools 7fg5bxb40m3f0v23.68r.lambda-web.us-east-1.on.aws |
62.4 | live | 100% | shared | 17 | 10 | $0.001 |
| 444 | x402 Preflight f0r6bcvc1s410hk1.68r.lambda-web.us-east-1.on.aws |
62.4 | live | 100% | shared | 17 | 1 | $0.002 |
| 445 | x402 Seller Checkup m1r2wcybhzbh87k1.68r.lambda-web.us-east-1.on.aws |
62.4 | live | 100% | shared | 17 | 1 | $0.02 |
| 446 | 402cron: Scheduled Webhooks 402cron.com |
62.3 | live | 100% | shared | 15 | 2 | $0.02 |
| 447 | 402post: Classified Ads & Jobs 402post.com |
62.3 | live | 100% | shared | 15 | 3 | $0.03 |
| 448 | 402registry: AI Crawler Audit 402registry.com |
62.3 | live | 100% | shared | 15 | 2 | $0.005 |
| 449 | Cian Endpoint Audit cian-x402.netlify.app |
62.2 | live | 100% | $15.01 | 2 | 2 | $0.01 |
| 450 | Predge - Wallet Intelligence api.predge.io |
62.2 | live | 100% | $9.16 | 4 | 20 | $0.005 |
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 17 h ago. LogicNodes does not run these services or take a cut.