MCPScores.com
Browse the registry
All 7,529MCP servers 5,891x402 endpoints 1,638Answering 3,713Payment terms 1,626Observed flow 616
Listing type
All types 7,529 MCP servers 5,891 x402 endpoints 1,638
Observed status
Any status 7,529 Answered when last called 3,713 Observed, silent 3,597 Never probed 219
Evidence held
Any evidence 7,529 Payment terms declared 1,626 Observed USDC inflow 616 Wallet balance 433 llms.txt published 943
Capability domain
Any domain 7,529 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 4. There is no rating filter because there is nothing yet to filter on.

1,638 results

1,351–1,400 shown · queried in 0.66s · register counted Aug 14, 2026, 06:45 AM UTC

x402 endpoints Clear all
1,351
AudioBookBay APISilentNR · floor not met
host:audiobook-api-beta.vercel.app

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,352
atq6wtkp6k.execute-api.us-east-1.amazonaws.comSilentNR · floor not met
host:atq6wtkp6k.execute-api.us-east-1.amazonaws.com

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,353
Asistent Crypto & MacroSilentNR · floor not met
host:asistent-crypto.vercel.app

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,354
artifactguard-kl4hfo6j2q-as.a.run.appSilentNR · floor not met
host:artifactguard-kl4hfo6j2q-as.a.run.app

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,355
artifact-inspector.use.x402atlas.comSilentNR · floor not met
host:artifact-inspector.use.x402atlas.com

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

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age10mo
Scorecard Badge
1,356
RAVN | Swap Native BTC, EVM & SolanaSilentNR · floor not met
host:app.ravn.exchange

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age86d
Scorecard Badge
1,358
DistroVerse — Where Stories Find Their AudienceSilentNR · floor not met
host:app.distro.media

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

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age21mo
Scorecard Badge
1,359
apiwitchcraft.duckdns.orgSilentNR · floor not met
host:apiwitchcraft.duckdns.org

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age13.3y
Scorecard Badge
1,360
Apify API - pay-per-call actorsSilentNR · floor not met
host:apify-api-git-br-better-actor-pay-merit-systems.vercel.app

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,361
Apify API - pay-per-call actorsSilentNR · floor not met
host:apify-api-git-br-apify-typed-input-schemas-merit-systems.vercel.app

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,362
api.zenvault.euSilentNR · floor not met
host:api.zenvault.eu

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,363
api.zaroniacalculator.co.zaSilentNR · floor not met
host:api.zaroniacalculator.co.za

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,364
api.xona-agent.comSilentNR · floor not met
host:api.xona-agent.com

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,365
api.x402video.comSilentNR · floor not met
host:api.x402video.com

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,366
api.x402passport.xyzSilentNR · floor not met
host:api.x402passport.xyz

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,367
ErrorSilentNR · floor not met
host:api.x402dataapi.com

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,368
api.writer.placeSilentNR · floor not met
host:api.writer.place

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age18mo
Scorecard Badge
1,369
api.veritylayer.devSilentNR · floor not met
host:api.veritylayer.dev

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,370
api.verifyproceed.comSilentNR · floor not met
host:api.verifyproceed.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age22d
Scorecard Badge
1,371
Utilia — live Solana priority fees for $0.002SilentNR · floor not met
host:api.utilia.ink

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

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age3mo
Scorecard Badge
1,372
api.tronenergyfrog.comSilentNR · floor not met
host:api.tronenergyfrog.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age34d
Scorecard Badge
1,373
the402 — The Service Platform for AI AgentsSilentNR · floor not met
host:api.the402.ai

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

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age6mo
Scorecard Badge
1,374
api.terradeed.co.ukSilentNR · floor not met
host:api.terradeed.co.uk

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

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age7mo
Scorecard Badge
1,375
api.syntaxrate.comSilentNR · floor not met
host:api.syntaxrate.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age4mo
Scorecard Badge
1,376
api.syndicatelinks.coSilentNR · floor not met
host:api.syndicatelinks.co

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,377
api.svgsmith.devSilentNR · floor not met
host:api.svgsmith.dev

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,378
404 Not FoundSilentNR · floor not met
host:api.suverse.io

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,379
api.surplusintelligence.aiSilentNR · floor not met
host:api.surplusintelligence.ai

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age4mo
Scorecard Badge
1,380
api.sumvid.appSilentNR · floor not met
host:api.sumvid.app

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

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age3mo
Scorecard Badge
1,381
StackGo Contact API | StackGo AI SystemsSilentNR · floor not met
host:api.stackgoai.com

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

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age6mo
Scorecard Badge
1,382
ErrorSilentNR · floor not met
host:api.scoop.sundaebar.ai

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,383
ErrorSilentNR · floor not met
host:api.remix.live

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age24mo
Scorecard Badge
1,385
api.qonoro.aiSilentNR · floor not met
host:api.qonoro.ai

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age71d
Scorecard Badge
1,386
x402 Portfolio — paid endpoints for AI agentsSilentNR · floor not met
host:api.ozdreamtools.de

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,387
api.optranslations.comSilentNR · floor not met
host:api.optranslations.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age62d
Scorecard Badge
1,388
api.nightcobbler.comSilentNR · floor not met
host:api.nightcobbler.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age10d
Scorecard Badge
1,389
FastPath API - Bitcoin data in Ethereum languageSilentNR · floor not met
host:api.nativebtc.org

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

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age9mo
Scorecard Badge
1,390
NameIntel(1) — name(8) intelligence for the agent economySilentNR · floor not met
host:api.nameintel.io

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,391
MyCO2 Suite — Carbon Intelligence APISilentNR · floor not met
host:api.myco2suite.io

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,392
api.lmxcloud.ioSilentNR · floor not met
host:api.lmxcloud.io

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
1,393
AIS FleetSilentNR · floor not met
host:aisfleet.com

x402 endpoint. Archive holds liveness, payment terms, wallet balance, domain age. Last recorded call 2026-08-14.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.01
Inflow USDC—
Payers—
Last called2026-08-14
Domain age11mo
Scorecard Badge
1,395
ErrorSilentNR · floor not met
host:x402.midnight-compliance.com

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

x402 endpoint
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC—
Payers—
Last called2026-08-11
Domain age9mo
Scorecard Badge
1,396
vouchspec-sandbox.plyrium.comSilentNR · floor not met
host:vouchspec-sandbox.plyrium.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC—
Payers—
Last called2026-08-11
Domain age4mo
Scorecard Badge
1,397
Vixi Labs Signal StoreSilentNR · floor not met
host:vixilabs-x402-stage.valerioreden.workers.dev

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC—
Payers—
Last called2026-08-11
Domain age—
Scorecard Badge
1,398
uat-api.certaindata.aiSilentNR · floor not met
host:uat-api.certaindata.ai

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC—
Payers—
Last called2026-08-11
Domain age3mo
Scorecard Badge
1,399
BRIJ Travel: Pay-per-call flight APISilentNR · floor not met
host:travel.brij.fi

x402 endpoint. Archive holds liveness. Last recorded call 2026-08-11.

x402 endpoint llms.txt
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC—
Payers—
Last called2026-08-11
Domain age—
Scorecard Badge
1,400
x402 Payment-Gated ProxySilentNR · floor not met
host:staging.miven.dev

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC—
Payers—
Last called2026-08-11
Domain age56d
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

2026-08-14
Archive coverage4 of 7 days2026-08-11 → 2026-08-14
Published grades0earliest possible 2026-08-17
Answered when last called3,713of 7,310 observed listings
Recorded changes1,429including 92 payout-address rotations
What the floor means →