Skip to main content

​
TokenDetectionResult

interface TokenDetectionResult {
  address: string;
  supportedMethods: ("eip3009" | "permit" | "permit2" | "permit2-witness")[];
  details: { hasEIP3009: boolean; hasPermit: boolean; hasPermit2Approval: boolean };
  name: string;
  version: string;
}

​
initialize return

TokenDetectionResult[] // detection results for each token

​
Settle detection return (recipient)

interface SettleDetectionResult {
  /** Supports settleWithPermit (0x02ccc23e) */
  supportsSettleWithPermit: boolean;
  /** Supports settleWithERC3009 (0x1fe200d9) */
  supportsSettleWithERC3009: boolean;
  /** Supports settleWithPermit2 (0xa7fcafbb) */
  supportsSettleWithPermit2: boolean;
}
Used to verify whether an EIP-7702 recipient implements x402x settlement extension methods; useful for pre-launch checks and runtime health checks.