x4PayAPI Market

Agent Data Tools

1 API · 176 endpoints · Base network · x402 protocol

Live APIs

Agent Data Tools

176 pay-per-call tools for AI agents at one origin, most at $0.003: counterparty and OFAC sanctions checks for wallets, token prices and wallet portfolios, chain reads on Base, Ethereum, Arbitrum, Optimism and Polygon (balances, token transfers, logs, gas, receipts), web page and PDF to Markdown, company and domain checks, FX, weather and time, and OpenAI-compatible chat and embeddings. x402 v1/v2 on 5 networks and MPP; failed calls are never charged.

176 endpoints · $0.002–$0.2