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Discovery utilityNested under BuoyGo to Buoy21 services · 240 endpoints · x402 / USDC

Curated API catalog

Browse listings by category, auth, and pricing to find the right API for an agent workflow. Publishing and monetization happen in Buoy; this page exists to help you compare what already exists.

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Data & Analytics

RentCast

Pay-per-call x402 access via the pay.sh agentic-payments catalog

x402usdcpay-per-call
No AuthUsage Based
$0.01/call
Open listing →
Data & Analytics

SmartMoney Market Data

Pay-per-call x402 access via the pay.sh agentic-payments catalog

x402usdcpay-per-call
No AuthUsage Based$0.01/call
Open listing →
Data & Analytics

Glim Data

Pay-per-call x402 access via the pay.sh agentic-payments catalog

x402usdcpay-per-call
No AuthUsage Based
Open listing →
Payments & Finance

Vybe Solana Analytics

Pay-per-call x402 access via the pay.sh agentic-payments catalog

x402usdcpay-per-call
No AuthUsage Based$0.012/call
Open listing →
Payments & Finance

Birdeye Data

Pay-per-call x402 access via the pay.sh agentic-payments catalog

x402usdcpay-per-call
No AuthUsage Based
Open listing →
Communication

AgentMail

Pay-per-call x402 access via the pay.sh agentic-payments catalog

x402usdcpay-per-call
No AuthUsage Based
Open listing →
Payments & Finance

Nansen API

Pay-per-call x402 access via the pay.sh agentic-payments catalog

x402usdcpay-per-call
No AuthUsage Based$0.01/call
Open listing →
Payments & Finance

Arkham Intelligence

Pay-per-call x402 access via the pay.sh agentic-payments catalog

x402usdcpay-per-call
No AuthUsage Based$0.2/call
Open listing →

Buoy x402 Onramp

Wrap any REST API into a paid x402 endpoint — spec import, pricing, agent docs, done in one call

Bearer TokenFreeBuoy-ready$0.01 USDC/call
Open listing →
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