{"name":"Verve Paywall API","protocol":"x402","how_it_works":"Call an endpoint → get 402 Payment Required → pay USDC on Base → retry with receipt → get data.","endpoints":{"GET /api/crypto/price":{"price":"$0.01","method":"GET","description":"Live price for a coin (BTC, ETH, SOL...) via CoinGecko"},"GET /api/crypto/signal":{"price":"$0.02","method":"GET","description":"Simple sentiment/trend signal: 24h change, momentum, volatility"},"POST /api/analyze/text":{"price":"$0.02","method":"POST","description":"Readability, word count, sentiment and reading level of any text"},"POST /api/course/module":{"price":"$0.10","method":"POST","description":"AI-generated course module outline from a topic (learning design)"},"POST /api/summarize":{"price":"$0.05","method":"POST","description":"TL;DR summary of long text (extractive, no AI key needed)"}}}