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api.usesaferoute.com v1 swap-safety-check
https://api.usesaferoute.com/v1/swap-safety-check
answers 402
Check whether an approved Base token swap is eligible before supplying a wallet. Returns verified token contracts, indicative output, liquidity sources, fee estimate, warnings, and the exact next action. No custody, signing, or execution.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.001
- Network
- base
- Pay to
- 0x08a6a2ddecdebdbfcb29d725042a6f3d74849e08
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 295 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:12:46.705Z (20d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.usesaferoute.com%2Fv1%2Fswap-safety-check"