Overview
Bitcoin fee estimate for agents: sat/vB and cost in sats and USD. Recommended sat/vB for next block, 30 min, 1 hour and economy, and what your transaction will cost in sats and USD. Price: $0.001 USDC per call via x402 on Base (or prepaid credits); free tier 10 calls/day; not charged on failure. Example: GET https://tools.moneytools.dev/v1/btc-fees?vbytes=141 . MCP: https://tools.moneytools.dev/mcp