curl --request PATCH \
  --url https://api.cal.com/v2/organizations/{orgId}/teams/{teamId}/routing-forms/{routingFormId}/fields \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "operations": [
    {
      "type": "add",
      "field": {
        "label": "Lead source",
        "type": "select",
        "required": false,
        "hidden": false,
        "identifier": "lead_source",
        "options": [
          "Partner",
          "Website"
        ]
      },
      "position": 0
    }
  ],
  "dryRun": true,
  "expectedUpdatedAt": "2023-11-07T05:31:56Z"
}
'

import requests

url = "https://api.cal.com/v2/organizations/{orgId}/teams/{teamId}/routing-forms/{routingFormId}/fields"

payload = {
    "operations": [
        {
            "type": "add",
            "field": {
                "label": "Lead source",
                "type": "select",
                "required": False,
                "hidden": False,
                "identifier": "lead_source",
                "options": ["Partner", "Website"]
            },
            "position": 0
        }
    ],
    "dryRun": True,
    "expectedUpdatedAt": "2023-11-07T05:31:56Z"
}
headers = {
    "Authorization": "<authorization>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: '<authorization>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    operations: [
      {
        type: 'add',
        field: {
          label: 'Lead source',
          type: 'select',
          required: false,
          hidden: false,
          identifier: 'lead_source',
          options: ['Partner', 'Website']
        },
        position: 0
      }
    ],
    dryRun: true,
    expectedUpdatedAt: '2023-11-07T05:31:56Z'
  })
};

fetch('https://api.cal.com/v2/organizations/{orgId}/teams/{teamId}/routing-forms/{routingFormId}/fields', 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://api.cal.com/v2/organizations/{orgId}/teams/{teamId}/routing-forms/{routingFormId}/fields",
  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([
    'operations' => [
        [
                'type' => 'add',
                'field' => [
                                'label' => 'Lead source',
                                'type' => 'select',
                                'required' => false,
                                'hidden' => false,
                                'identifier' => 'lead_source',
                                'options' => [
                                                                'Partner',
                                                                'Website'
                                ]
                ],
                'position' => 0
        ]
    ],
    'dryRun' => true,
    'expectedUpdatedAt' => '2023-11-07T05:31:56Z'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <authorization>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.cal.com/v2/organizations/{orgId}/teams/{teamId}/routing-forms/{routingFormId}/fields"

	payload := strings.NewReader("{\n  \"operations\": [\n    {\n      \"type\": \"add\",\n      \"field\": {\n        \"label\": \"Lead source\",\n        \"type\": \"select\",\n        \"required\": false,\n        \"hidden\": false,\n        \"identifier\": \"lead_source\",\n        \"options\": [\n          \"Partner\",\n          \"Website\"\n        ]\n      },\n      \"position\": 0\n    }\n  ],\n  \"dryRun\": true,\n  \"expectedUpdatedAt\": \"2023-11-07T05:31:56Z\"\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("Authorization", "<authorization>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.patch("https://api.cal.com/v2/organizations/{orgId}/teams/{teamId}/routing-forms/{routingFormId}/fields")
  .header("Authorization", "<authorization>")
  .header("Content-Type", "application/json")
  .body("{\n  \"operations\": [\n    {\n      \"type\": \"add\",\n      \"field\": {\n        \"label\": \"Lead source\",\n        \"type\": \"select\",\n        \"required\": false,\n        \"hidden\": false,\n        \"identifier\": \"lead_source\",\n        \"options\": [\n          \"Partner\",\n          \"Website\"\n        ]\n      },\n      \"position\": 0\n    }\n  ],\n  \"dryRun\": true,\n  \"expectedUpdatedAt\": \"2023-11-07T05:31:56Z\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.cal.com/v2/organizations/{orgId}/teams/{teamId}/routing-forms/{routingFormId}/fields")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["Authorization"] = '<authorization>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"operations\": [\n    {\n      \"type\": \"add\",\n      \"field\": {\n        \"label\": \"Lead source\",\n        \"type\": \"select\",\n        \"required\": false,\n        \"hidden\": false,\n        \"identifier\": \"lead_source\",\n        \"options\": [\n          \"Partner\",\n          \"Website\"\n        ]\n      },\n      \"position\": 0\n    }\n  ],\n  \"dryRun\": true,\n  \"expectedUpdatedAt\": \"2023-11-07T05:31:56Z\"\n}"

response = http.request(request)
puts response.read_body

{
  "status": "success",
  "data": {
    "formId": "a1b2c3d4-...",
    "dryRun": true,
    "changes": [
      {
        "type": "add",
        "fieldId": "a1b2c3d4-...",
        "description": "Added question \"Lead source\" (text) at position 2."
      }
    ],
    "warnings": [
      "<string>"
    ],
    "before": [
      {
        "id": "a1b2c3d4-...",
        "label": "Company size",
        "identifier": "companySize",
        "type": "select",
        "required": true,
        "hidden": false,
        "options": [
          {
            "id": "a1b2c3d4-...",
            "label": "51-200"
          }
        ]
      }
    ],
    "after": [
      {
        "id": "a1b2c3d4-...",
        "label": "Company size",
        "identifier": "companySize",
        "type": "select",
        "required": true,
        "hidden": false,
        "options": [
          {
            "id": "a1b2c3d4-...",
            "label": "51-200"
          }
        ]
      }
    ],
    "updatedAt": "2024-03-28T10:00:00.000Z"
  }
}