Showcase: PoolPulse — x402-payable DeFi execution signals API on Base

[HadiFrt20]

What we built

PoolPulse is an x402-payable HTTP API returning pre-computed DEX execution signals for autonomous DeFi trading agents on Base.

Capabilities

• Size-aware CLMM slippage across full tick ranges for 33 Uniswap V3 + Aerodrome pools
• MEV sandwich attack probability scoring + private relay routing hints
• Pre-trade simulation across all indexed pools
• Post-trade forensic analysis

x402 integration

• Built with Hono on Cloudflare Workers
• All 9 paid endpoints return 402 with x402 headers
• CDP facilitator configured
• Pricing: $0.001–$0.25 per call in USDC

Links

• Live: https://poolpulse.poolpulse.workers.dev
• OpenAPI: https://poolpulse.poolpulse.workers.dev/openapi.json
• Agent discovery: https://poolpulse.poolpulse.workers.dev/.well-known/agent.json
• Examples: https://github.com/HadiFrt20/poolpulse-agent-example