fastFill - Relay

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The fastFill action allows you to accelerate the filling of a cross-chain request on the destination chain. This is useful when you want to speed up the completion of a bridge or swap operation.Learn more about the Fast Fill API

Parameters

Property	Description	Required
requestId	The unique identifier of the request to fast fill	✅
solverInputCurrencyAmount	The amount of input currency the solver should use for filling. This is useful if you know the finalized input amount which can help to minimize slippage. If not specified, uses the quoted amount.	❌

Example

import { getClient } from "@relayprotocol/relay-sdk";

const requestId = "0x..."; // The request ID from a previous quote/execute

const result = await getClient().actions.fastFill({
  requestId,
});

Example with Solver Input Amount

import { getClient } from "@relayprotocol/relay-sdk";

const requestId = "0x..."; // The request ID from a previous quote/execute

const result = await getClient().actions.fastFill({
  requestId,
  solverInputCurrencyAmount: "1000000000000000000", // 1 token in wei
});