{"name":"onyx_base_bridge_quote","tier":"metered","price_usdc":"0.003","endpoint":"https://onyx-actions.onrender.com/v1/onyx_base_bridge_quote","method":"POST","input_schema":{"type":"object","properties":{"to_chain_id":{"type":"integer","description":"Destination chain ID. 1=Ethereum, 10=Optimism, 42161=Arbitrum, 137=Polygon, 56=BSC, 43114=Avalanche, 250=Fantom, 8453=Base (same chain - use swap_quote instead)."},"from_token":{"type":"string","description":"Source token address on Base (0x...). Use 0x0000000000000000000000000000000000000000 for native ETH."},"to_token":{"type":"string","description":"Destination token address on destination chain (0x...)."},"from_amount":{"type":"string","description":"Atomic amount on source side (decimal string). E.g. 100 USDC = '100000000'."},"from_address":{"type":"string","description":"Optional: sender address for routes that need it. Default = 0x...0001 (LI.FI accepts any for quote)."}},"required":["to_chain_id","from_token","to_token","from_amount"]},"description":"Cross-chain bridge quote starting from Base. Best-route across ~30 bridges (Across, Hop, Stargate, cBridge, Connext, Hyphen, Mayan, ...) via LI.FI aggregator. Returns toAmount, fee breakdown, gas cost, estimated bridge tool, approval address, ETA. Use when an agent on Base needs USDC/ETH/etc. on another chain.","when_to_use":"An agent on Base needs liquidity on another chain. Get a quote across all major bridges in one call before signing the bridge transaction.","vs_alternatives":"Bridge UI shopping (manual). Direct bridge SDK calls (10+ separate integrations). LI.FI is the standard aggregator — same data as their frontend, no auth.","example_request":{"to_chain_id":42161,"from_token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","to_token":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","from_amount":"10000000"},"example_response":null,"settle_to":"0x3fD9ee1373562f894D322B37DFFAd7a5D2b2d78f","network":"base","facilitator":"https://facilitator.xpay.sh","payment_required":true,"free_introspection":true,"note":"GET this URL = free introspection card. POST with x402 payment header to call."}