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.

1,626 results

1,451–1,500 shown · queried in 3.44s · register counted Aug 14, 2026, 07:54 AM UTC

Payment terms Clear all
1,451
api.aurelianflo.comNever probedNR · floor not met
host:api.aurelianflo.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.01
Payers1
Last called—
Domain age5mo
Scorecard Badge
1,452
Agentic Reservations — Restaurant Bookings for AI AgentsNever probedNR · floor not met
host:agentres.dev

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

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.01
Payers1
Last called—
Domain age4mo
Scorecard Badge
1,453
Agentic Reservations — Restaurant Bookings for AI AgentsNever probedNR · floor not met
host:agentic-reservations.vercel.app

x402 endpoint. Archive holds payment terms, observed flow. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.01
Payers1
Last called—
Domain age—
Scorecard Badge
1,454
api.k8s-dev.blockscout.comNever probedNR · floor not met
host:api.k8s-dev.blockscout.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.008
Payers2
Last called—
Domain age16.2y
Scorecard Badge
1,455
api.blockscout.comNever probedNR · floor not met
host:api.blockscout.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.008
Payers2
Last called—
Domain age16.2y
Scorecard Badge
1,456
hyperextendNever probedNR · floor not met
host:api.hyperextend.xyz

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.004
Inflow USDC0.0075
Payers1
Last called—
Domain age—
Scorecard Badge
1,457
402utils — pay-per-call API utilitiesNever probedNR · floor not met
host:402utils.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.006
Payers1
Last called—
Domain age42d
Scorecard Badge
1,458
Wellnizz DashboardNever probedNR · floor not met
host:api.foreverbetter.xyz

x402 endpoint. Archive holds payment terms, observed flow. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.005
Payers1
Last called—
Domain age—
Scorecard Badge
1,459
agent-treats-production.up.railway.appNever probedNR · floor not met
host:agent-treats-production.up.railway.app

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.004
Payers2
Last called—
Domain age7.0y
Scorecard Badge
1,460
ErrorNever probedNR · floor not met
host:agent.memoryapi.org

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.003
Payers1
Last called—
Domain age4mo
Scorecard Badge
1,461
api.justaname.idNever probedNR · floor not met
host:api.justaname.id

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.002
Payers1
Last called—
Domain age3.0y
Scorecard Badge
1,462
ATMS API - ATMS APINever probedNR · floor not met
host:api.atms.nathanlidurin.com

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

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.002
Payers2
Last called—
Domain age4mo
Scorecard Badge
1,463
api.402rates.comNever probedNR · floor not met
host:api.402rates.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.001
Payers1
Last called—
Domain age18d
Scorecard Badge
1,464
24K Labs — The Gold-402 Directory for the x402 EcosystemNever probedNR · floor not met
host:api.24klabs.ai

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.001
Payers1
Last called—
Domain age5mo
Scorecard Badge
1,465
anthropic.x402.stage.paywithlocus.comNever probedNR · floor not met
host:anthropic.x402.stage.paywithlocus.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.001
Payers1
Last called—
Domain age12mo
Scorecard Badge
1,466
alphavantage.x402.paywithlocus.comNever probedNR · floor not met
host:alphavantage.x402.paywithlocus.com

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

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.001
Payers1
Last called—
Domain age12mo
Scorecard Badge
1,467
76.13.79.47.nip.ioNever probedNR · floor not met
host:76.13.79.47.nip.io

x402 endpoint. Archive holds payment terms, observed flow. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.001
Payers1
Last called—
Domain age—
Scorecard Badge
1,468
AgentWorld — A Living Economy of Autonomous AI Agents on BaseNever probedNR · floor not met
host:agentworld.me

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 USDC102.97
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,469
api.compatify.ioNever probedNR · floor not met
host:api.compatify.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 USDC21.92
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,470
agentdata-nlNever probedNR · floor not met
host:agentdata-api.sander-van-aard.workers.dev

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 USDC16.54
Inflow USDC0
Payers0
Last called—
Domain age7.5y
Scorecard Badge
1,471
DYOE — The Trusted Layer of the Agent EconomyNever probedNR · floor not met
host:agents.dyoeway.org

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 USDC16.37
Inflow USDC0
Payers0
Last called—
Domain age4mo
Scorecard Badge
1,472
invinoveritas — The Verification Layer for Autonomous AgentsNever probedNR · floor not met
host:api.babyblueviper.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 USDC16.34
Inflow USDC0
Payers0
Last called—
Domain age15mo
Scorecard Badge
1,473
api.agentinternetruntime.comNever probedNR · floor not met
host:api.agentinternetruntime.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 USDC12.6
Inflow USDC0
Payers0
Last called—
Domain age5mo
Scorecard Badge
1,474
api.instahuman.comNever probedNR · floor not met
host:api.instahuman.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 USDC12.55
Inflow USDC0
Payers0
Last called—
Domain age7.8y
Scorecard Badge
1,476
AGENTS ONLYNever probedNR · floor not met
host:agentsonly.vip

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 USDC7
Inflow USDC0
Payers0
Last called—
Domain age14d
Scorecard Badge
1,477
AGENTS ONLYNever probedNR · floor not met
host:agents-only-production.up.railway.app

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 USDC7
Inflow USDC0
Payers0
Last called—
Domain age7.0y
Scorecard Badge
1,478
commodities.sh — Primary-source commodities for AI agentsNever probedNR · floor not met
host:api.commodities.sh

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 USDC4.91
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,479
api.insumermodel.comNever probedNR · floor not met
host:api.insumermodel.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 USDC4.2
Inflow USDC0
Payers0
Last called—
Domain age13mo
Scorecard Badge
1,480
Structured extraction API — pay per call over x402Never probedNR · floor not met
host:api-v3qhpbwutp.august.services

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 USDC3.29
Inflow USDC0
Payers0
Last called—
Domain age69d
Scorecard Badge
1,481
api.getsly.aiNever probedNR · floor not met
host:api.getsly.ai

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 USDC3.12
Inflow USDC0
Payers0
Last called—
Domain age7mo
Scorecard Badge
1,483
GlianaAI — pay-per-call AI inference across 90+ modelsNever probedNR · floor not met
host:api.glianalabs.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 USDC2.87
Inflow USDC0
Payers0
Last called—
Domain age11mo
Scorecard Badge
1,484
api.apex-db.orgNever probedNR · floor not met
host:api.apex-db.org

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 USDC2.7
Inflow USDC0
Payers0
Last called—
Domain age81d
Scorecard Badge
1,485
404: This page could not be found.Never probedNR · floor not met
host:api.healthparse.io

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 USDC2.69
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,486
api-dev.agents.skillfulai.ioNever probedNR · floor not met
host:api-dev.agents.skillfulai.io

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 USDC2.43
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,487
api-dev-v2.ixs.financeNever probedNR · floor not met
host:api-dev-v2.ixs.finance

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 USDC1.32
Inflow USDC0
Payers0
Last called—
Domain age18mo
Scorecard Badge
1,488
AgentTrust — Security Scanner for AI SkillsNever probedNR · floor not met
host:agenttrust.uk

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 USDC1.12
Inflow USDC0
Payers0
Last called—
Domain age4mo
Scorecard Badge
1,489
AgentKit x402 — AI agents pay USDC for crypto intelNever probedNR · floor not met
host:agentkit-x402-buy.netlify.app

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 USDC1.05
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
1,490
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
1,491
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
1,492
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
1,493
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
1,494
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
1,495
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
1,496
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
1,497
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
1,498
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
1,499
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
1,500
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

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
1 api.aurelianflo.com1 payers 0.01USDC in 2 Agentic Reservations — Restaurant Bookings for AI Agents1 payers 0.01USDC in 3 Agentic Reservations — Restaurant Bookings for AI Agents1 payers 0.01USDC in 4 api.k8s-dev.blockscout.com2 payers 0.008USDC in 5 api.blockscout.com2 payers 0.008USDC in
Ranked within this page only, not the register.

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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 →