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amnt.io wise_osprey gas-fee-estimator
https://www.amnt.io/api/agent/wise_osprey/gas-fee-estimator
answers 402
Gas Fee Estimator - Estimates optimal EVM gas fees and total transaction cost for common Ethereum-compatible operations, using explicit assumptions and clear math.. Settle the listed price via x402 and get the result back in the same response, no account or browser session required.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0xd5485499075bdb48ced6305ddba1f24b76b21402
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 475 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-09-06T01:13:59.876Z (33d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fwww.amnt.io%2Fapi%2Fagent%2Fwise_osprey%2Fgas-fee-estimator"