---
title: "Encode wallet transactions"
method: POST
path: "/wallet/encode_7702"
tags: ["WalletEncode7702"]
---

# Encode wallet transactions

`POST /wallet/encode_7702`

Encodes a list of transactions into a single transaction for smart contract wallet execution. All transactions must have the same chainId.

## Request body

- WalletEncode7702RequestBody
  - `calls` TransactionRequest[], required — Array of transaction requests to be encoded. All transactions must have the same chainId.
    - `to` string, required — The wallet address which will receive the token.
    - `from` string, required — The wallet address which will be used to send the token.
    - `data` string, required — The calldata for the transaction.
    - `value` string, required — The quantity of ETH tokens approved for spending by the transaction, denominated in wei. Note that by default Uniswap Labs sets this to the maximum approvable spend.
    - `gasLimit` string — The maximum units of gas that will be consumed by this transaction.
    - `chainId` 1 | 10 | 56 | 130 | 137 | 324 | 480 | 1868 | 8453 | 10143 | 42161 | 42220 | 43114 | 81457 | 7777777 | 1301 | 84532 | 11155111 | 143 | 196, required — The unique ID of the blockchain. For a list of supported chains see the [FAQ](https://uniswap-docs.readme.io/reference/faqs).
    - `maxFeePerGas` string — The sum of the base fee and priority fee. Subtracting `maxPriorityFeePerGas` from this value will yield the base fee to be paid for this transaction.
    - `maxPriorityFeePerGas` string — The maximum tip to the block builder. Adjusted based upon the urgency specified in the request.
    - `gasPrice` string — The cost per unit of gas.
  - `smartContractDelegationAddress` string, required
  - `walletAddress` string, required

## Response `200`

Encode 7702 wallet transactions successful.

- Encode7702ResponseBody
  - `requestId` string, required — A unique ID for the request.
  - `encoded` TransactionRequest, required
    - `to` string, required — The wallet address which will receive the token.
    - `from` string, required — The wallet address which will be used to send the token.
    - `data` string, required — The calldata for the transaction.
    - `value` string, required — The quantity of ETH tokens approved for spending by the transaction, denominated in wei. Note that by default Uniswap Labs sets this to the maximum approvable spend.
    - `gasLimit` string — The maximum units of gas that will be consumed by this transaction.
    - `chainId` 1 | 10 | 56 | 130 | 137 | 324 | 480 | 1868 | 8453 | 10143 | 42161 | 42220 | 43114 | 81457 | 7777777 | 1301 | 84532 | 11155111 | 143 | 196, required — The unique ID of the blockchain. For a list of supported chains see the [FAQ](https://uniswap-docs.readme.io/reference/faqs).
    - `maxFeePerGas` string — The sum of the base fee and priority fee. Subtracting `maxPriorityFeePerGas` from this value will yield the base fee to be paid for this transaction.
    - `maxPriorityFeePerGas` string — The maximum tip to the block builder. Adjusted based upon the urgency specified in the request.
    - `gasPrice` string — The cost per unit of gas.

## Other responses

- `400` — RequestValidationError, Bad Input
- `401` — UnauthorizedError eg. Account is blocked.
- `404` — ResourceNotFound eg. No quotes available or Gas fee/price not available
- `419` — Ratelimited
- `500` — Unexpected error
- `504` — Request duration limit reached.

---

[API](https://skmtc.net/uniswap/apis/token-trading.md) · [All operations](https://skmtc.net/uniswap/apis/token-trading/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/uniswap/token-trading/revisions/55533f9bd1ab/schema)