Explore APIs

Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.

Projects: 4.5K
Paid endpoints: 106K
Paid calls · 30 days: 1M
Launched here: 0

All projects

4,273 results

Most used Rising Most payers Newest Cheapest A–Z

W
weather-api-production-c885.up.railway.appData & research
No description yet.
Baseweather-api-production-c885.up.railway.app
from $0.001
1 endpoint
0
calls / 30d
WealthPulseCrypto & DeFi
WealthPulse — cross-asset portfolio risk analysis
Basewealth.lonestaroracle.xyz
from $0.25
1 endpoint
0
calls / 30d
C
Code ReviewCrypto & DeFi
Return the line-level diff between two texts as added/removed/unified hunks with counts. Use it to review a patch, compare two API responses, or decide whether two documents actually differ before spending tokens on them.
Basewealth-agent.wealthagent-app.workers.dev
from $0.001
9 endpoints
0
calls / 30d
agentic.no chatImages, audio & video
agentic.no inference: OpenAI-compatible audio transcription (POST /v1/audio/transcriptions)
Basewayd-1650.agentic.no
from $0.00041
2 endpoints
0
calls / 30d
W
waste.regevidencehub.comAI & agents
England carrier/broker/dealer registration lifecycle preflight using the same deterministic engine as the MCP tool. Payment verification precedes deterministic execution. Not Environment Agency approval or legal advice.
Basewaste.regevidencehub.com
from $0.02
2 endpoints
0
calls / 30d
W
wasm-geotiff-transcoder.jannioura.workers.devImages, audio & video
Decodes a GeoTIFF/COG raster (fetch by https URL or inline base64), reads the selected RGB bands via windowed overview-level reads, applies a tone-map stretch, and returns a render-ready PNG/WebP plus structured georeference metadata (CRS, bounds, pixel scale) and source stats. Sources are hard-capped at 20 MB and output width at 2048 px. Billed on attempt, not success: payment settles once a requ
Basewasm-geotiff-transcoder.jannioura.workers.dev
from $0.03
1 endpoint
0
calls / 30d
war-tracker.comData & research
Event-type hub page at /event-type/{slug}. Aggregates events matching one classification slug (e.g. drone-strike, airstrike, skirmish). HTML with embedded CollectionPage + Dataset JSON-LD pointing back at /api/v1/events?event_type={slug}.
Basewar-tracker.com
from $0.0015
4 endpoints
0
calls / 30d
WalletRiskCrypto & DeFi
EVM wallet risk scoring — transaction patterns, exposure analysis, suspicious activity
Basewallet.lonestaroracle.xyz
from $0.15
1 endpoint
0
calls / 30d
W
wallet-sanctions.use.x402atlas.comCrypto & DeFi
No description yet.
Basewallet-sanctions.use.x402atlas.com
from $0.01
2 endpoints
0
calls / 30d
W
wallet-labels-mcp.mtree.workers.devCrypto & DeFi
No description yet.
Basewallet-labels-mcp.mtree.workers.dev
from $0.05
1 endpoint
0
calls / 30d
W
wallet-intel-meta-mcp.mtree.workers.devCrypto & DeFi
No description yet.
Basewallet-intel-meta-mcp.mtree.workers.dev
from $0.50
1 endpoint
0
calls / 30d
W
wallet-funding-trace-mcp.mtree.workers.devCrypto & DeFi
No description yet.
Basewallet-funding-trace-mcp.mtree.workers.dev
from $0.05
1 endpoint
0
calls / 30d
W
wallet-cex-flows-mcp.mtree.workers.devCrypto & DeFi
No description yet.
Basewallet-cex-flows-mcp.mtree.workers.dev
from $0.05
1 endpoint
0
calls / 30d
V
voxsift-x402.fly.devImages, audio & video
Transcribe a public HTTPS audio or video URL into structured JSON with timestamps, optional speaker diarization, confidence metadata, and actual-duration settlement.
Basevoxsift-x402.fly.dev
from $0.20
2 endpoints
0
calls / 30d
D
DevrynoOther services
Name, symbol and decimals for an ERC-20 on Base. $0.002 USDC on Base.
Basevolkov.evgeny.m2.fvds.ru
from $0.001
6 endpoints
0
calls / 30d
V
voixoff-fr.netlify.appAI & agents
x402 MCP Tools: Generate a QR code (URL, text, vCard or WiFi) as a base64 PNG.
Basevoixoff-fr.netlify.app
from $0.01
1 endpoint
0
calls / 30d
V
vmi3089643.contaboserver.netDeveloper tools
Email address verification: syntax, domain, MX records, disposable/free-provider detection, score
Basevmi3089643.contaboserver.net
from $0.001
2 endpoints
0
calls / 30d
V
vm5-openapi-x402.onrender.comDeveloper tools
Original demonstration CSV integrity report (duplicate normalized rows, invalid email/number/date, formula injection warning, inconsistent row width). Source CSV and code are public/reproducible; purchase is hosted report convenience, not exclusive IP or customer history.
Basevm5-openapi-x402.onrender.com
from $0.001
14 endpoints
0
calls / 30d
V
vm2-workflow-x402.onrender.comOther services
One public GitHub Actions source-file static preflight, read anonymously from GitHub Contents API. No buyer-supplied host, no code execution, no private repository or credentials.
Basevm2-workflow-x402.onrender.com
from $0.02
1 endpoint
0
calls / 30d
V
vibeCrypto & DeFi
AI verdict on a Base token: grade, one-liner, roast and onchain metrics (entertainment, not advice).
Basevibe.node01.org
from $0.01
1 endpoint
0
calls / 30d
P
ProofwireDeveloper tools
Resolved A/AAAA/CNAME/MX/TXT/NS/CAA from public resolvers with parsed SPF, DMARC and DKIM, for setup verification.
Baseverify.reversecaptcha.fun
from $0.001
6 endpoints
0
calls / 30d
V
verify-serviceData & research
Verify an x402 endpoint: reachable? 402? latency p50/p95? indexed in catalog?
Baseverify-service.node01.org
from $0.001
1 endpoint
0
calls / 30d
V
verifik.x402.paysponge.comAI & agents
Service: Verifik AI (https://verifik.x402.paysponge.com/v2/communication/sms)
Baseverifik.x402.paysponge.com
from $0.10
2 endpoints
0
calls / 30d
402xAgent CheckOther services
x402 Endpoint Spot-Check: SSRF-safe probe of a public URL for an x402 PAYMENT-REQUIRED challenge. Never pays the target. $0.01 USDC on Base after 1 free check per UTC day.
Baseverified-catalog-lookup.withgrokbot.workers.dev
from $0.01
2 endpoints
0
calls / 30d
V
verdict.scriptmasterlabs.comOther services
SML Verdict Protocol decision receipt
Baseverdict.scriptmasterlabs.com
from $0.01
2 endpoints
0
calls / 30d
V
venue-watch.fantastic-snowstorm.workers.devAI & agents
Live + curated status of venues that pay AI agents (rail, KYC, agent policy, open tasks, sources)
Basevenue-watch.fantastic-snowstorm.workers.dev
from $0.003
2 endpoints
0
calls / 30d
CHIPS eSIMSocial & people
CHIPS eSIM: prepaid travel data as an eSIM profile. Paying on Base delivers about 20 minutes later, when Base finalizes its block.
Basevamoschips.com
from $0.60
1 endpoint
0
calls / 30d
N
NAIF EU Web IntelligenceOther services
Fast European HTTP status and TLS preview
Basev2202609421025522662.hotsrv.de
from $0.001
1 endpoint
0
calls / 30d
V
v1.xpay402.netOther services
No description yet.
Basev1.xpay402.net
from $1.00
1 endpoint
0
calls / 30d
V
v0-x402-endpoint.vercel.appCrypto & DeFi
Real-time crypto price feed for a given symbol (e.g. BTC, ETH, SOL).
Basev0-x402-endpoint.vercel.app
from $0.005
1 endpoint
0
calls / 30d

Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.