All 13,148MCP servers 11,440x402 endpoints 1,708Answering 7,222Payment terms 1,696Observed flow 769

7,222 results

6,151–6,200 shown · queried in 0.44s · register counted Aug 17, 2026, 05:06 PM UTC

Answering Clear all

6,151

VetPulse — US veterans benefits intelligence APIAnsweringNR · floor not met

host:api.vetpulse.theaslangroupllc.com

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.515

Payers5

Last called2026-08-11

Domain age75d

Scorecard Badge

6,152

x402stock: market & economic data API for AI agentsAnsweringNR · floor not met

host:x402stock.xyz

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.51

Payers2

Last called2026-08-11

Domain age—

Scorecard Badge

6,153

x402stock: market & economic data API for AI agentsAnsweringNR · floor not met

host:x402stock.vercel.app

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.51

Payers2

Last called2026-08-11

Domain age—

Scorecard Badge

6,154

Proof of Creation: What a File Fingerprint Can and Cannot Show · Suede Labs AIAnsweringNR · floor not met

host:app.suedeai.ai

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.5

Payers1

Last called2026-08-11

Domain age15mo

Scorecard Badge

6,155

Vaaya: Turn your GitHub profile into Credit | Tool access & payments for AI agentsAnsweringNR · floor not met

host:vaaya.ai

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.4902

Payers5

Last called2026-08-11

Domain age8mo

Scorecard Badge

6,156

Financial Data x402AnsweringNR · floor not met

host:x402-stock-indicators.vercel.app

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.38

Payers4

Last called2026-08-11

Domain age—

Scorecard Badge

6,157

Financial Data x402AnsweringNR · floor not met

host:www.x402financialdata.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.38

Payers4

Last called2026-08-11

Domain age18d

Scorecard Badge

6,158

api.x402lint.devAnsweringNR · floor not met

host:api.x402lint.dev

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC58.73

Inflow USDC0.36

Payers7

Last called2026-08-11

Domain age—

Scorecard Badge

6,159

api.signalis.devAnsweringNR · floor not met

host:api.signalis.dev

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC58.73

Inflow USDC0.36

Payers7

Last called2026-08-11

Domain age—

Scorecard Badge

6,160

api.orcatrace.devAnsweringNR · floor not met

host:api.orcatrace.dev

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC58.73

Inflow USDC0.36

Payers7

Last called2026-08-11

Domain age38d

Scorecard Badge

6,161

api.moltalyzer.xyzAnsweringNR · floor not met

host:api.moltalyzer.xyz

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC58.73

Inflow USDC0.36

Payers7

Last called2026-08-11

Domain age—

Scorecard Badge

6,162

api.x402intel.ukAnsweringNR · floor not met

host:api.x402intel.uk

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.35

Payers2

Last called2026-08-11

Domain age—

Scorecard Badge

6,163

api.polym.ukAnsweringNR · floor not met

host:api.polym.uk

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.35

Payers2

Last called2026-08-11

Domain age29d

Scorecard Badge

6,164

The Stall — x402 Intelligence MarketplaceAnsweringNR · floor not met

host:the-stall.intuitek.ai

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance, domain age. Last recorded call 2026-08-15.

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC73.29

Inflow USDC0.346

Payers2

Last called2026-08-15

Domain age2.5y

Scorecard Badge

6,165

2s — the (most) everything APIAnsweringNR · floor not met

host:2s.io

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC93.54

Inflow USDC0.3273

Payers9

Last called2026-08-11

Domain age—

Scorecard Badge

6,166

Sponge GatewayAnsweringNR · floor not met

host:wolframalpha.x402.paysponge.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC34.08

Inflow USDC0.32

Payers4

Last called2026-08-11

Domain age7mo

Scorecard Badge

6,167

TripadvisorAnsweringNR · floor not met

host:tripadvisor.x402.paysponge.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC34.08

Inflow USDC0.32

Payers4

Last called2026-08-11

Domain age7mo

Scorecard Badge

6,168

ScreenshotOneAnsweringNR · floor not met

host:screenshotone.x402.paysponge.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC34.08

Inflow USDC0.32

Payers4

Last called2026-08-11

Domain age7mo

Scorecard Badge

6,169

RentCastAnsweringNR · floor not met

host:rentcast.x402.paysponge.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC34.08

Inflow USDC0.32

Payers4

Last called2026-08-11

Domain age7mo

Scorecard Badge

6,170

bazaar.fronesislabs.comAnsweringNR · floor not met

host:bazaar.fronesislabs.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC0.0231

Inflow USDC0.26

Payers1

Last called2026-08-14

Domain age5mo

Scorecard Badge

6,171

api.macaroonnetwork.comAnsweringNR · floor not met

host:api.macaroonnetwork.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC0.618

Inflow USDC0.256

Payers1

Last called2026-08-14

Domain age16d

Scorecard Badge

6,172

api.rtkmotion.ioAnsweringNR · floor not met

host:api.rtkmotion.io

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.25

Payers1

Last called2026-08-11

Domain age—

Scorecard Badge

6,173

x402scan | x402 Ecosystem ExplorerAnsweringNR · floor not met

host:www.x402scan.com

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.23

Payers7

Last called2026-08-11

Domain age11mo

Scorecard Badge

6,174

Kronos x402 APIAnsweringNR · floor not met

host:kronossignals.com

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC40.7

Inflow USDC0.22

Payers2

Last called2026-08-11

Domain age47d

Scorecard Badge

6,175

Kronos x402 APIAnsweringNR · floor not met

host:kronos-x402.vercel.app

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC40.7

Inflow USDC0.22

Payers2

Last called2026-08-11

Domain age—

Scorecard Badge

6,176

Quicknode x402AnsweringNR · floor not met

host:x402.quicknode.com

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.204

Payers1

Last called2026-08-11

Domain age15.2y

Scorecard Badge

6,177

api.osf-master-server.comAnsweringNR · floor not met

host:api.osf-master-server.com

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

x402 endpoint payment terms llms.txt

evidence facets held
coverage, not a rating

Tools—

Treasury USDC2.26

Inflow USDC0.202

Payers1

Last called2026-08-11

Domain age89d

Scorecard Badge

6,178

Website URL ExtractorAnsweringNR · floor not met

host:url-extractor.x402.paysponge.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC22.9

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age7mo

Scorecard Badge

6,179

RecallScoutAnsweringNR · floor not met

host:recallscout.scalpstream.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC1.61

Inflow USDC0.18

Payers1

Last called2026-08-14

Domain age21d

Scorecard Badge

6,180

FuelScoutAnsweringNR · floor not met

host:fuelscout.scalpstream.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC1.61

Inflow USDC0.18

Payers1

Last called2026-08-14

Domain age21d

Scorecard Badge

6,181

ScalpStream ResearchAnsweringNR · floor not met

host:feed.scalpstream.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC1.61

Inflow USDC0.18

Payers1

Last called2026-08-14

Domain age21d

Scorecard Badge

6,182

BorderScoutAnsweringNR · floor not met

host:borderscout.scalpstream.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC1.61

Inflow USDC0.18

Payers1

Last called2026-08-14

Domain age21d

Scorecard Badge

6,183

AirScoutAnsweringNR · floor not met

host:airscout.scalpstream.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC1.61

Inflow USDC0.18

Payers1

Last called2026-08-14

Domain age21d

Scorecard Badge

6,184

URL Uptime Checker — _doneAnsweringNR · floor not met

host:url-uptime-checker.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,185

Sitemap URL Extractor — _doneAnsweringNR · floor not met

host:sitemap-url-extractor.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,186

Shopify AI Rank Checker — _doneAnsweringNR · floor not met

host:shopify-ai-rank-checker.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,187

SEO Data Extractor — _doneAnsweringNR · floor not met

host:seo-data-extractor.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,188

Screenshots — _doneAnsweringNR · floor not met

host:screenshots.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,189

Bulk QR Code Generator — _doneAnsweringNR · floor not met

host:qr-code-generator.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,190

TCP Port Scanner — _doneAnsweringNR · floor not met

host:port-scanner.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,191

OCR Text Extractor — _doneAnsweringNR · floor not met

host:ocr.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,192

Mortgage & Loan Amortization Calculator — _doneAnsweringNR · floor not met

host:mortgage-amortization.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,193

Leetspeak Translator — _doneAnsweringNR · floor not met

host:leetspeak-translator.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,194

JSON Validate, Repair, Convert, Query & Diff — _doneAnsweringNR · floor not met

host:json-suite.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,195

HTTP Status Code Checker — _doneAnsweringNR · floor not met

host:http-status-checker.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,196

HTTP Header Checker — _doneAnsweringNR · floor not met

host:http-header-checker.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,197

Hashing, HMAC & Checksum Suite — _doneAnsweringNR · floor not met

host:hash-hmac.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,198

Hacker News Data — _doneAnsweringNR · floor not met

host:hackernews-data.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,199

ENS Resolver — _doneAnsweringNR · floor not met

host:ens-resolver.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

Scorecard Badge

6,200

Domain Availability Checker — _doneAnsweringNR · floor not met

host:domain-availability-checker.underscoredone.com

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

x402 endpoint payment terms

evidence facets held
coverage, not a rating

Tools—

Treasury USDC—

Inflow USDC0.18

Payers3

Last called2026-08-11

Domain age85d

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 VetPulse — US veterans benefits intelligence API5 payers 0.515USDC in 2 x402stock: market & economic data API for AI agents2 payers 0.51USDC in 3 x402stock: market & economic data API for AI agents2 payers 0.51USDC in 4 Proof of Creation: What a File Fingerprint Can and Cannot Show · Suede Labs AI1 payers 0.5USDC in 5 Vaaya: Turn your GitHub profile into Credit | Tool access & payments for AI agents5 payers 0.4902USDC in

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

2026-08-17

Archive coverage7 of 7 days2026-08-11 → 2026-08-17

Published grades0earliest possible 2026-08-17

Answered when last called7,222of 12,929 observed listings

Recorded changes3,047including 113 payout-address rotations

What the floor means →