curl --request POST \
  --url https://api.example.com/contacts/{contact_id}/convert \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "account_id": "<string>",
  "create_account": false,
  "new_account": {
    "name": "<string>",
    "domain": "<string>",
    "website": "<string>"
  },
  "create_deal": false,
  "deal_payload": {
    "name": "<string>",
    "stage_id": "<string>",
    "value": 123,
    "close_date": "<string>",
    "currency": "USD",
    "notes": "<string>"
  }
}
'

import requests

url = "https://api.example.com/contacts/{contact_id}/convert"

payload = {
    "account_id": "<string>",
    "create_account": False,
    "new_account": {
        "name": "<string>",
        "domain": "<string>",
        "website": "<string>"
    },
    "create_deal": False,
    "deal_payload": {
        "name": "<string>",
        "stage_id": "<string>",
        "value": 123,
        "close_date": "<string>",
        "currency": "USD",
        "notes": "<string>"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    account_id: '<string>',
    create_account: false,
    new_account: {name: '<string>', domain: '<string>', website: '<string>'},
    create_deal: false,
    deal_payload: {
      name: '<string>',
      stage_id: '<string>',
      value: 123,
      close_date: '<string>',
      currency: 'USD',
      notes: '<string>'
    }
  })
};

fetch('https://api.example.com/contacts/{contact_id}/convert', 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.example.com/contacts/{contact_id}/convert",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'account_id' => '<string>',
    'create_account' => false,
    'new_account' => [
        'name' => '<string>',
        'domain' => '<string>',
        'website' => '<string>'
    ],
    'create_deal' => false,
    'deal_payload' => [
        'name' => '<string>',
        'stage_id' => '<string>',
        'value' => 123,
        'close_date' => '<string>',
        'currency' => 'USD',
        'notes' => '<string>'
    ]
  ]),
  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;
}

package main

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

func main() {

	url := "https://api.example.com/contacts/{contact_id}/convert"

	payload := strings.NewReader("{\n  \"account_id\": \"<string>\",\n  \"create_account\": false,\n  \"new_account\": {\n    \"name\": \"<string>\",\n    \"domain\": \"<string>\",\n    \"website\": \"<string>\"\n  },\n  \"create_deal\": false,\n  \"deal_payload\": {\n    \"name\": \"<string>\",\n    \"stage_id\": \"<string>\",\n    \"value\": 123,\n    \"close_date\": \"<string>\",\n    \"currency\": \"USD\",\n    \"notes\": \"<string>\"\n  }\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.post("https://api.example.com/contacts/{contact_id}/convert")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"account_id\": \"<string>\",\n  \"create_account\": false,\n  \"new_account\": {\n    \"name\": \"<string>\",\n    \"domain\": \"<string>\",\n    \"website\": \"<string>\"\n  },\n  \"create_deal\": false,\n  \"deal_payload\": {\n    \"name\": \"<string>\",\n    \"stage_id\": \"<string>\",\n    \"value\": 123,\n    \"close_date\": \"<string>\",\n    \"currency\": \"USD\",\n    \"notes\": \"<string>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/contacts/{contact_id}/convert")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"account_id\": \"<string>\",\n  \"create_account\": false,\n  \"new_account\": {\n    \"name\": \"<string>\",\n    \"domain\": \"<string>\",\n    \"website\": \"<string>\"\n  },\n  \"create_deal\": false,\n  \"deal_payload\": {\n    \"name\": \"<string>\",\n    \"stage_id\": \"<string>\",\n    \"value\": 123,\n    \"close_date\": \"<string>\",\n    \"currency\": \"USD\",\n    \"notes\": \"<string>\"\n  }\n}"

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

{}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}