Crypto price history over a window (CoinGecko free). Returns daily price series (open/close per day), market cap, volume. Use ?id=bitcoin and vs=usd and days=30 (max 365 on free tier). Built for AI agents doing TA and back-testing. Accepts payment on Base or Solana — either network works.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0x4466...125e |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.01 tokens | 9urRvU...o1up |