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
$345,341USDC received on Base, 7 days
#ProviderScoreNowUptime 72hIncome 7dPayers 7dEndpointsFrom
2301us-agentic.com
us-agentic.com		 54.1live100%$0.01531$0.005
2302www.robbiegeorgephotography.com
www.robbiegeorgephotography.com		 54.1live100%$0.01531$0.005
2303x402-tollbooth.onrender.com
x402-tollbooth.onrender.com		 54.1live100%$0.01532$0.005
2304LAXIS Machine-Native Evidence
x402.burnesatelier.com		 54.1live100%$0.01531$0.005
2305WebIntel Page Reader
x402.omardev.xyz		 54.1live100%$0.01532$0.005
2306ChainK9
api.chaink9.com		 54.1live100%$0.014312$0.002
2307gpt.558686.xyz
gpt.558686.xyz		 54.1live100%$0.014314$0.002
2308toolbelt402.catalystdesk.workers.dev
toolbelt402.catalystdesk.workers.dev		 54.1live100%$0.01433$0.002
2309Port 402
port-402-production.up.railway.app		 54.1live100%$0.01435$0.001
2310Agent Transaction Trust
json-repair-api-9ybv.onrender.com		 54.1live100%$0.01335$0.001
2311lokalapi
api.lokalapi.com		 54.1live100%$0.01234$0.002
2312The Clinic
clinic.sapthumbprint.com		 54.1live100%$0.01232$0.001
2313dns-email-hygiene.relayhop.workers.dev
dns-email-hygiene.relayhop.workers.dev		 54.1live100%$0.01231$0.005
2314free-api-resell.relayhop.workers.dev
free-api-resell.relayhop.workers.dev		 54.1live100%$0.01232$0.002
2315odood.com
odood.com		 54.1live100%$0.01231$0.004
2316payment-verifier.relayhop.workers.dev
payment-verifier.relayhop.workers.dev		 54.1live100%$0.01231$0.005
2317x402 seller reputation
scanpay-edge.alextaghiashvili.workers.dev		 54.1live100%$0.012356$0.0001
2318Signal Feed API
signals.agenttrustapi.com		 54.0live100%$0.3021$0.10
2319Unshorten402
cleanread402.netlify.app		 54.0live100%$0.29367927$0.002
2320poolproof.ru
poolproof.ru		 54.0live100%$0.27929$0.009
2321travel.forgemesh.io
travel.forgemesh.io		 54.0live100%$0.01131$0.005
2322x402-toolbox
x402-toolbox.shablony-pro.workers.dev		 54.0live100%$0.0133$0.002
2323CarryLens
carry-lens-api.netlify.app		 54.0live100%$0.00933$0.003
2324toolvend.dev
toolvend.dev		 54.0live100%$0.00936$0.002
2325utilsforagents.com
utilsforagents.com		 54.0live100%$0.00931$0.003
2326n0brains
api.n0brains.com		 54.0live100%$0.00833$0.002
2327Wallet Balance
base-facts.yankii.fr		 54.0live100%$0.00839$0.001
2328Cyre
cyre.dev		 54.0live100%$0.008325$0.001
2329JSON Schema Validator
validate.yankii.fr		 54.0live100%$0.00831$0.01
2330penny402
penny402.fun		 54.0live100%$0.0075310$0.0025
2331x402.n9t2.com
x402.n9t2.com		 54.0live100%$0.007531$0.0025
2332chiefofstaff token safety
chiefofstaff-solana.iodized-lemon.workers.dev		 54.0live100%$0.00735$0.002
2333x402-gateway
x402-gateway.ai		 54.0live100%$0.00732$0.001
2334beta.surplusintelligence.ai
beta.surplusintelligence.ai		 54.0live100%$0.00660431$0.003305
2335data.japanagent.dev
data.japanagent.dev		 54.0live100%$0.00633$0.002
2336Keyless
keyless-theta.vercel.app		 54.0live100%$0.00633$0.002
2337Keyless
keyless.run		 54.0live100%$0.00632$0.002
2338Multichain RPC/tx
multichain-rpc.clankerceo.workers.dev		 54.0live100%$0.006310$0.001
2339Rigoblock
trader.rigoblock.com		 54.0live100%$0.00632$0.002
2340api.sitesy.ca
api.sitesy.ca		 54.0live100%$0.006310$0.001
2341TELAGO Execution Intelligence
favpulse.media		 54.0live100%$0.00533$0.001
2342onvexia.com
onvexia.com		 54.0live100%$0.00533$0.001
2343TELAGO Execution Intelligence
ozeejewwpjmabshxyitc.supabase.co		 54.0live100%$0.005336$0.00
2344telago-paid-mcp-fav-pulse.vercel.app
telago-paid-mcp-fav-pulse.vercel.app		 54.0live100%$0.00531$0.001
2345AgentResolver
agentresolver.vercel.app		 54.0live100%$0.00438$0.001
2346Devryno
devryno.com		 54.0live100%$0.00431$0.001
2347topagentx402.vercel.app
topagentx402.vercel.app		 54.0live100%$0.00432$0.001
2348Devryno
volkov.evgeny.m2.fvds.ru		 54.0live100%$0.00436$0.001
2349Mercer x402 (hub probe)
x402.lucidcove.org		 54.0live100%$0.00431$0.001
2350api.thetrustlayer.xyz
api.thetrustlayer.xyz		 54.0live100%$0.00334$0.001
← previous4,351 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 2 h ago. LogicNodes does not run these services or take a cut.