Base Native

B20 Transfer Check

Simulate whether a B20 token transfer will succeed given current freeze/blocklist/allowlist state on Base mainnet. Returns will_succeed, specific blockers (SENDER_FROZEN, RECIPIENT_BLOCKLISTED, MEMO_REQUIRED). Uses live on-chain state.

post/x402/b20-transfer-check

Request

Base URL: https://coinrailz.com
URL: https://coinrailz.com/x402/b20-transfer-check
Auth: API key in header X-API-KEY

Request body

tokenAddressstring required

B20 token contract address on Base

fromstring required

Sender wallet address

tostring required

Recipient wallet address

amountstring

Transfer amount (human-readable, e.g. "100.00")

Response

Transfer simulation result with blockers and warnings

Changes

No recorded changes to this operation across all 1 revision of this API.