Bitcoin recommended fee rates sat/vB: next-block, 30-min, 1-hour, economy, minimum. Fee estimation tiers for AI agents and fee estimation UIs. Cryptographically signed (Ed25519) — every response is independently verifiable via /.well-known/obol-pubkey.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.002000 USDC | 0x215f...a7Ce |