- SDK (TypeScript)
- API (REST)
- AI / CLI
No API key needed for the public Fuse API. The Trade API uses optional API keys for higher rate limits - see Authentication.
What’s next
First swap
Walk through a complete same-chain swap with approvals.
Cross-chain bridge
Move USDC from Arbitrum to Base in one transaction.
AI trade bot
Build an agent that swaps with limits and confirmations.
Concepts
How Core, Fuse, and the AI stack fit together.