MCPScores.com
Browse the registry
All 7,249MCP servers 5,645x402 endpoints 1,604Answering 3,589Payment terms 1,592Observed flow 571
Listing type
All types 7,249 MCP servers 5,645 x402 endpoints 1,604
Observed status
Any status 7,249 Answered when last called 3,589 Observed, silent 3,441 Never probed 219
Evidence held
Any evidence 7,249 Payment terms declared 1,592 Observed USDC inflow 571 Wallet balance 406 llms.txt published 933
Capability domain
Any domain 7,249 Commerce 258 Content 150 Data 152 Finance 101 Identity 154 Infrastructure 222 Work 115
Rating status

Every listing is NR. A grade requires 7 archive days and 3 successful observations; the archive holds 3. There is no rating filter because there is nothing yet to filter on.

1,604 results

401–450 shown · queried in 6.94s · register counted Aug 13, 2026, 07:35 PM UTC

x402 endpoints Clear all
401
VIQL — paid vehicle-eligibility API · viql.upgo.aiAnsweringNR · floor not met
host:viql.upgo.ai

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC199.8
Inflow USDC0
Payers0
Last called2026-08-11
Domain age5.3y
Scorecard Badge
402
probe.onchainintel.netAnsweringNR · floor not met
host:probe.onchainintel.net

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC117.08
Inflow USDC0
Payers0
Last called2026-08-11
Domain age5mo
Scorecard Badge
403
PolymarketeerAnsweringNR · floor not met
host:polymarketeer.vercel.app

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC100.1
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
404
api.x402.printmoneylab.comAnsweringNR · floor not met
host:api.x402.printmoneylab.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC65.4
Inflow USDC0
Payers0
Last called2026-08-11
Domain age5mo
Scorecard Badge
405
api.printmoneylab.comAnsweringNR · floor not met
host:api.printmoneylab.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC65.4
Inflow USDC0
Payers0
Last called2026-08-11
Domain age5mo
Scorecard Badge
406
Ozmium - Trade. Accumulate. Leverage.AnsweringNR · floor not met
host:ozmium.org

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC65.05
Inflow USDC0
Payers0
Last called2026-08-11
Domain age16mo
Scorecard Badge
408
google-trends.use.x402atlas.comAnsweringNR · floor not met
host:google-trends.use.x402atlas.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC61.5
Inflow USDC0
Payers0
Last called2026-08-11
Domain age10mo
Scorecard Badge
409
Vaults.fyi APIAnsweringNR · floor not met
host:api.vaults.fyi

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC53.06
Inflow USDC0
Payers0
Last called2026-08-11
Domain age3.3y
Scorecard Badge
410
Kronos x402 APIAnsweringNR · floor not met
host:kronossignals.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC40.7
Inflow USDC0
Payers0
Last called2026-08-11
Domain age43d
Scorecard Badge
411
Kronos x402 APIAnsweringNR · floor not met
host:kronos-x402.vercel.app

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC40.7
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
412
AiSpace x402 Marketplace | Pay-per-request AI for agentsAnsweringNR · floor not met
host:x402.aispace.bot

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC34.81
Inflow USDC0
Payers0
Last called2026-08-11
Domain age17mo
Scorecard Badge
413
ChainAnalyzer — Multi-Chain AML and Stablecoin IntelligenceAnsweringNR · floor not met
host:chain-analyzer.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC30.75
Inflow USDC0
Payers0
Last called2026-08-11
Domain age6mo
Scorecard Badge
414
404 Not FoundAnsweringNR · floor not met
host:proxy.suverse.io

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC28.92
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
415
twentyone million — Edition I · GenesisAnsweringNR · floor not met
host:twentyonemillion.art

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC25.78
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
416
api.regressionincoming.fyiAnsweringNR · floor not met
host:api.regressionincoming.fyi

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC24.6
Inflow USDC0
Payers0
Last called2026-08-11
Domain age74d
Scorecard Badge
417
api.tcgapi.devAnsweringNR · floor not met
host:api.tcgapi.dev

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC24.03
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
418
x402Factory.ai - Where everything becomes an endpointAnsweringNR · floor not met
host:x402factory.ai

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC18.18
Inflow USDC0
Payers0
Last called2026-08-11
Domain age8mo
Scorecard Badge
419
Atelier — AI Agent MarketplaceAnsweringNR · floor not met
host:api.useatelier.ai

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC15.02
Inflow USDC0
Payers0
Last called2026-08-11
Domain age48d
Scorecard Badge
420
PolynewsAnsweringNR · floor not met
host:polynews.news

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC13.53
Inflow USDC0
Payers0
Last called2026-08-11
Domain age7mo
Scorecard Badge
421
Recoup APIAnsweringNR · floor not met
host:recoup-api.vercel.app

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC13.46
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
422
Recoup APIAnsweringNR · floor not met
host:api.recoupable.dev

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC13.46
Inflow USDC0
Payers0
Last called2026-08-11
Domain age45d
Scorecard Badge
423
Toolkit.devAnsweringNR · floor not met
host:staging.toolkit.dev

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC13.11
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
424
KeyronneAnsweringNR · floor not met
host:keyronne.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC12.81
Inflow USDC0
Payers0
Last called2026-08-11
Domain age5mo
Scorecard Badge
425
GPT55 Model GatewayAnsweringNR · floor not met
host:gpt55.558686.xyz

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC12.44
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
426
api.x-402.onlineAnsweringNR · floor not met
host:api.x-402.online

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC11.71
Inflow USDC0
Payers0
Last called2026-08-11
Domain age22d
Scorecard Badge
427
vps.phoneagent.xyzAnsweringNR · floor not met
host:vps.phoneagent.xyz

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC11.18
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
428
OnRamperX — non-custodial value routerAnsweringNR · floor not met
host:router.mudko.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC11.07
Inflow USDC0
Payers0
Last called2026-08-11
Domain age11.7y
Scorecard Badge
429
Agent Ready Kit — get recommended by AI agentsAnsweringNR · floor not met
host:mudko.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC11.07
Inflow USDC0
Payers0
Last called2026-08-11
Domain age11.7y
Scorecard Badge
430
Epstein Island Club | 402 Payment Gated Evidence ArchiveAnsweringNR · floor not met
host:epsteinisland.club

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC11
Inflow USDC0
Payers0
Last called2026-08-11
Domain age10mo
Scorecard Badge
431
ToolOracle — Capability Router for Autonomous AgentsAnsweringNR · floor not met
host:tooloracle.io

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC9.52
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
432
SQLGuard — approval firewall for AI agentsAnsweringNR · floor not met
host:sqlguard.io

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC9.29
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
433
SQLGuard — approval firewall for AI agentsAnsweringNR · floor not met
host:sqlguard-io.fly.dev

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC9.29
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
434
PulseFeed — the trust layer for x402 agent paymentsAnsweringNR · floor not met
host:pulsefeed.dev

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC9.12
Inflow USDC0
Payers0
Last called2026-08-11
Domain age38d
Scorecard Badge
435
Arch Tools — 63 AI Agent Tools in One API (x402, LangChain, MCP)AnsweringNR · floor not met
host:archtools.dev

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC7.26
Inflow USDC0
Payers0
Last called2026-08-11
Domain age6mo
Scorecard Badge
436
api.stacktr.eeAnsweringNR · floor not met
host:api.stacktr.ee

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC7.01
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
437
Vision Art MarketplaceAnsweringNR · floor not met
host:someone-parliament-levy-trackback.trycloudflare.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-13.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC6.88
Inflow USDC0
Payers0
Last called2026-08-13
Domain age—
Scorecard Badge
438
mediaforge.mediaforge-hq.workers.devAnsweringNR · floor not met
host:mediaforge.mediaforge-hq.workers.dev

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC6.75
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
439
ErrorAnsweringNR · floor not met
host:rest.staging.wagmi.productions

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC6.4
Inflow USDC0
Payers0
Last called2026-08-11
Domain age2.1y
Scorecard Badge
440
ErrorAnsweringNR · floor not met
host:rest.coincap.io

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC6.4
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
441
x402.orgAnsweringNR · floor not met
host:x402-mainnet.vercel.app

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC5.99
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
442
error404.life — a redirect to what mattersAnsweringNR · floor not met
host:error404.life

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC5.01
Inflow USDC0
Payers0
Last called2026-08-11
Domain age3mo
Scorecard Badge
443
api.phoneagent.xyzAnsweringNR · floor not met
host:api.phoneagent.xyz

x402 endpoint. Archive holds liveness, payment terms, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC4.89
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
444
AIsa Payment Gateway - SDK DemoAnsweringNR · floor not met
host:pay.lnpay.ai

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC4.7
Inflow USDC0
Payers0
Last called2026-08-11
Domain age23mo
Scorecard Badge
445
AIsa Payment Gateway - SDK DemoAnsweringNR · floor not met
host:openapi.aisa.one

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC4.7
Inflow USDC0
Payers0
Last called2026-08-11
Domain age20mo
Scorecard Badge
446
grapevine.dev-mypinata.cloudAnsweringNR · floor not met
host:grapevine.dev-mypinata.cloud

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC4.25
Inflow USDC0
Payers0
Last called2026-08-11
Domain age3.9y
Scorecard Badge
447
Legal Services in Spain | Legal FournierAnsweringNR · floor not met
host:legalfournier.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC4
Inflow USDC0
Payers0
Last called2026-08-11
Domain age8mo
Scorecard Badge
448
safe-to-trade.hergertsynthora.comAnsweringNR · floor not met
host:safe-to-trade.hergertsynthora.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-13.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC3.83
Inflow USDC0
Payers0
Last called2026-08-13
Domain age70d
Scorecard Badge
449
payto-preflight.hergertsynthora.comAnsweringNR · floor not met
host:payto-preflight.hergertsynthora.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-13.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC3.83
Inflow USDC0
Payers0
Last called2026-08-13
Domain age70d
Scorecard Badge
450
inference.hergertsynthora.comAnsweringNR · floor not met
host:inference.hergertsynthora.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-13.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC3.83
Inflow USDC0
Payers0
Last called2026-08-13
Domain age70d
Scorecard Badge

Bars inside a result compare the listings on this page only. “Last called” is that listing's own observation date — the sweep is rolling, so these dates differ between rows. An em dash means the archive holds no such fact; it is never rendered as zero.

Top on this page

observed USDC

No listing on this page declares a wallet with observed inbound USDC.

Ranked within this page only, not the register.

Compare tray

up to 4

Add listings with the Compare button on any result.

The tray is kept in this browser only. Nothing is sent anywhere.

Archive & floor

2026-08-13
Archive coverage3 of 7 days2026-08-11 → 2026-08-13
Published grades0earliest possible 2026-08-17
Answered when last called3,589of 7,030 observed listings
Recorded changes724including 19 payout-address rotations
What the floor means →