curl --request PATCH \
  --url https://app.marro.si/api/v1/leads/{leadId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "fields": {
    "preferred_time": "morning",
    "assigned_to": 24
  },
  "stageId": 9
}
'

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({fields: {preferred_time: 'morning', assigned_to: 24}, stageId: 9})
};

fetch('https://app.marro.si/api/v1/leads/{leadId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://app.marro.si/api/v1/leads/{leadId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'fields' => [
        'preferred_time' => 'morning',
        'assigned_to' => 24
    ],
    'stageId' => 9
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

import requests

url = "https://app.marro.si/api/v1/leads/{leadId}"

payload = {
    "fields": {
        "preferred_time": "morning",
        "assigned_to": 24
    },
    "stageId": 9
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "lead": {
    "id": 1842,
    "name": "Priya Sharma",
    "phone": "+919812345678",
    "email": "priya@example.com",
    "leadType": "student",
    "stageId": 9,
    "pipelineId": 2,
    "sourceId": 3,
    "assignedTo": 24,
    "stage": {
      "id": 7,
      "name": "Follow Up",
      "meaning": "open"
    },
    "pipeline": {
      "id": 2,
      "name": "Main pipeline"
    },
    "source": {
      "id": 3,
      "name": "Website"
    },
    "owner": {
      "id": 21,
      "name": "Ravi Kumar"
    },
    "fields": {
      "city": "Hyderabad",
      "interest": "Premium plan",
      "preferred_time": "evening"
    },
    "createdAt": "2026-09-20T04:45:00Z",
    "updatedAt": "2026-09-24T03:32:11Z"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}