MCPScores.com
Browse the registry
All 7,774MCP servers 6,136x402 endpoints 1,638Answering 3,819Payment terms 1,626Observed flow 617
Listing type
All types 7,774 MCP servers 6,136 x402 endpoints 1,638
Observed status
Any status 7,774 Answered when last called 3,819 Observed, silent 3,736 Never probed 219
Evidence held
Any evidence 7,774 Payment terms declared 1,626 Observed USDC inflow 617 Wallet balance 433 llms.txt published 943
Capability domain
Any domain 7,774 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

1,501–1,550 shown · queried in 4.43s · register counted Aug 14, 2026, 07:54 AM UTC

x402 endpoints Clear all
1,501
ai-summarizer.api.klymax402.comNever probedNR · floor not met
host:ai-summarizer.api.klymax402.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.665
Inflow USDC0
Payers0
Last called—
Domain age3mo
Scorecard Badge
1,502
api.biotechcatalystsentinel.comNever probedNR · floor not met
host:api.biotechcatalystsentinel.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.66
Inflow USDC0
Payers0
Last called—
Domain age52d
Scorecard Badge
1,503
api.darangilau.comNever probedNR · floor not met
host:api.darangilau.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.45
Inflow USDC0
Payers0
Last called—
Domain age14d
Scorecard Badge
1,504
api.creativeforesight.ioNever probedNR · floor not met
host:api.creativeforesight.io

x402 endpoint. Archive holds payment terms, wallet balance. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.38
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,505
api.cryptoetfsentinel.comNever probedNR · floor not met
host:api.cryptoetfsentinel.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.3605
Inflow USDC0
Payers0
Last called—
Domain age6mo
Scorecard Badge
1,506
GameDataKit — Steam and Twitch data for AI agentsNever probedNR · floor not met
host:api.borisinc.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.2524
Inflow USDC0
Payers0
Last called—
Domain age42d
Scorecard Badge
1,507
404 Not FoundNever probedNR · floor not met
host:api.freaks.one

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.2
Inflow USDC0
Payers0
Last called—
Domain age5mo
Scorecard Badge
1,508
api.goldenaspenweb.comNever probedNR · floor not met
host:api.goldenaspenweb.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.12
Inflow USDC0
Payers0
Last called—
Domain age21d
Scorecard Badge
1,509
Trading Data API — agent-ready market dataNever probedNR · floor not met
host:api-production-54bd.up.railway.app

x402 endpoint. Archive holds payment terms, wallet balance. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.022
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,510
aiact-api.comNever probedNR · floor not met
host:aiact-api.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.006
Inflow USDC0
Payers0
Last called—
Domain age38d
Scorecard Badge
1,511
api-dev.cueframe.aiNever probedNR · floor not met
host:api-dev.cueframe.ai

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0
Inflow USDC0
Payers0
Last called—
Domain age6mo
Scorecard Badge
1,512
agents.x402stock.xyzNever probedNR · floor not met
host:agents.x402stock.xyz

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms llms.txt
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,513
LedgerCore Unified APINever probedNR · floor not met
host:api.ledgercore.io

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms llms.txt
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,515
api.jubjubapp.comNever probedNR · floor not met
host:api.jubjubapp.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age3.7y
Scorecard Badge
1,516
api.ishtar.numetal.xyzNever probedNR · floor not met
host:api.ishtar.numetal.xyz

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms llms.txt
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,517
api.influship.comNever probedNR · floor not met
host:api.influship.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age17mo
Scorecard Badge
1,518
api.immuta.appNever probedNR · floor not met
host:api.immuta.app

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age4mo
Scorecard Badge
1,519
api.ideafactorylab.orgNever probedNR · floor not met
host:api.ideafactorylab.org

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age5mo
Scorecard Badge
1,520
hyperD — DeFi APIs, priced per callNever probedNR · floor not met
host:api.hyperd.ai

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age6mo
Scorecard Badge
1,521
404: This page could not be found.Never probedNR · floor not met
host:api.govparse.io

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,523
api.gmfarcaster.comNever probedNR · floor not met
host:api.gmfarcaster.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age2.8y
Scorecard Badge
1,524
api.getplexa.comNever probedNR · floor not met
host:api.getplexa.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age59d
Scorecard Badge
1,525
api.getanyapi.comNever probedNR · floor not met
host:api.getanyapi.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age74d
Scorecard Badge
1,526
api.gazette.botNever probedNR · floor not met
host:api.gazette.bot

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age8mo
Scorecard Badge
1,527
ZWING KG — Web3 Intelligence APINever probedNR · floor not met
host:api.dyor.network

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age10mo
Scorecard Badge
1,528
api.doc2json.deNever probedNR · floor not met
host:api.doc2json.de

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms llms.txt
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,529
DevDrops — x402 Data APIs for the Agent EconomyNever probedNR · floor not met
host:api.devdrops.run

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age5mo
Scorecard Badge
1,530
api.decision-anchor.comNever probedNR · floor not met
host:api.decision-anchor.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age5mo
Scorecard Badge
1,531
api.cueframe.aiNever probedNR · floor not met
host:api.cueframe.ai

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age6mo
Scorecard Badge
1,532
api.craigmbrown.comNever probedNR · floor not met
host:api.craigmbrown.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age10mo
Scorecard Badge
1,533
api.clervo.devNever probedNR · floor not met
host:api.clervo.dev

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age36d
Scorecard Badge
1,534
api.certaindata.aiNever probedNR · floor not met
host:api.certaindata.ai

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age3mo
Scorecard Badge
1,535
api.carbon-cashmere.deNever probedNR · floor not met
host:api.carbon-cashmere.de

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,536
Confluence Deep ResearchNever probedNR · floor not met
host:api.capitalspec.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age10.3y
Scorecard Badge
1,537
api.businesschanges.devNever probedNR · floor not met
host:api.businesschanges.dev

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age23d
Scorecard Badge
1,538
BuiltWith APINever probedNR · floor not met
host:api.builtwith.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age19.1y
Scorecard Badge
1,539
Brazilayer — Brazilian Company Data (CNPJ) APINever probedNR · floor not met
host:api.brazilayer.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age24d
Scorecard Badge
1,540
api.aventtech.comNever probedNR · floor not met
host:api.aventtech.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age20.8y
Scorecard Badge
1,541
auor.io (Oreo) - x402 AI agent research toolkitNever probedNR · floor not met
host:api.auor.io

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms llms.txt
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,542
AuctionTrace | Test what happens after the ES entryNever probedNR · floor not met
host:api.auctiontrace.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age17d
Scorecard Badge
1,543
api.andromalius.ioNever probedNR · floor not met
host:api.andromalius.io

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,544
api.aiapi.chNever probedNR · floor not met
host:api.aiapi.ch

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,545
api.agentx402.aiNever probedNR · floor not met
host:api.agentx402.ai

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age50d
Scorecard Badge
1,546
Agent Wonderland APINever probedNR · floor not met
host:api.agentwonderland.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age5mo
Scorecard Badge
1,547
api.agentphone.aiNever probedNR · floor not met
host:api.agentphone.ai

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age2.5y
Scorecard Badge
1,548
agenticweb.nl — data endpoints for AI agentsNever probedNR · floor not met
host:api.agenticweb.nl

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age15mo
Scorecard Badge
1,549
api.agentfeeds.jpNever probedNR · floor not met
host:api.agentfeeds.jp

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,550
ErrorNever probedNR · floor not met
host:api.agentcamo.xyz

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
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 called3,819of 7,555 observed listings
Recorded changes1,429including 92 payout-address rotations
What the floor means →