# Services from api.3route.io on Zero

> api.3route.io serves 4 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/api.3route.io
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.3route.io/health.json

## Services

- [3Route Swap Quote & Transaction Builder](https://www.zero.xyz/c/3route-swap-quote-transaction-builder-d1ba4044/llms.txt): $0.001/call via x402. Returns a best-priced swap quote and ready-to-sign transaction for exchanging one crypto token for another on a specified EVM chain.
- [3Route Token Swap Quote](https://www.zero.xyz/c/3route-token-swap-quote-02b3c274/llms.txt): $0.001/call via x402. Returns a best-priced swap quote for exchanging one crypto token for another on a specified EVM chain, including estimated output amount and gas cost.
- [3Route Swap API](https://www.zero.xyz/c/3route-swap-api-abd42178/llms.txt): $0.001/call via x402. Returns a best-priced swap quote and ready-to-submit transaction for exchanging one crypto token for another on a specified chain
- [3Route Token Swap Quote API](https://www.zero.xyz/c/3route-token-swap-quote-api-5d62e082/llms.txt): $0.001/call via x402. Returns a best-priced swap quote for exchanging one crypto token for another on a specified chain, including output amount and estimated gas.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)