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ExchangeRebel — pay-per-call APIs for AI agents (x402 on Solana)

by com.exchangerebel
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fees_optimize

Return an unsigned, fee-optimized version of a transaction. $0.005 per call — USDC on Solana via x402 (over MCP: call without payment to get the PaymentRequired challenge, then retry with the payment at _meta["x402/payment"]). HTTP equivalent: POST https://exchangerebel.com/toll/fees/optimize.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
priorityNolow|medium|high
transaction_base64Nostring

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