curl --request POST \
  --url https://api.route.fun/api/v2/builders/integration \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "action": "multi-plan",
  "input": {
    "execution": "sequential",
    "payer": "0x1111111111111111111111111111111111111111",
    "inputs": [
      {
        "token": "0x0000000000000000000000000000000000000000",
        "amount": "10000000000000000"
      }
    ],
    "outputs": [
      {
        "token": "0x2222222222222222222222222222222222222222",
        "weightBps": 5000
      },
      {
        "token": "0x3333333333333333333333333333333333333333",
        "weightBps": 5000
      }
    ]
  }
}
'

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    action: 'multi-plan',
    input: {
      execution: 'sequential',
      payer: '0x1111111111111111111111111111111111111111',
      inputs: [
        {
          token: '0x0000000000000000000000000000000000000000',
          amount: '10000000000000000'
        }
      ],
      outputs: [
        {token: '0x2222222222222222222222222222222222222222', weightBps: 5000},
        {token: '0x3333333333333333333333333333333333333333', weightBps: 5000}
      ]
    }
  })
};

fetch('https://api.route.fun/api/v2/builders/integration', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.route.fun/api/v2/builders/integration"

payload = {
    "action": "multi-plan",
    "input": {
        "execution": "sequential",
        "payer": "0x1111111111111111111111111111111111111111",
        "inputs": [
            {
                "token": "0x0000000000000000000000000000000000000000",
                "amount": "10000000000000000"
            }
        ],
        "outputs": [
            {
                "token": "0x2222222222222222222222222222222222222222",
                "weightBps": 5000
            },
            {
                "token": "0x3333333333333333333333333333333333333333",
                "weightBps": 5000
            }
        ]
    }
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "chainId": 4663,
  "execution": "sequential",
  "atomic": false,
  "payer": "<string>",
  "recipient": "<string>",
  "legs": [
    {
      "chainId": 4663,
      "payer": "<string>",
      "recipient": "<string>",
      "tokenIn": "<string>",
      "tokenOut": "<string>",
      "amountIn": "<string>",
      "builderCode": "<string>",
      "builderFeeBps": 123,
      "slippageBps": 123
    }
  ],
  "swapCount": 123,
  "allocation": "<string>",
  "partialCompletion": "<string>"
}