PayAPI Market

StockWaves

China & global market data for AI agents — real-time Chinese internet pulse (Weibo/Baidu/Douyin), structured China market news & events, industrial-theme momentum, quant signals across A-share/HK/US equities, BTC directional signal, crypto microstructure, and tactical ETF allocation. Plus stateless portfolio optimizer. x402 USDC on Base or Solana, no API key.

Listed · $0.03–$0.5 USDC/request · 14 endpoints · Finance · base network · x402 protocol

How to call this API

Every protected route returns HTTP 402 with x402 payment requirements. An agent pays the stated USDC amount on Base and retries with the payment header. No API keys, no accounts. Browse the marketplace or list your own API.

By TANG