curl --request POST \
  --url https://api.example.com/v2/signup/session \
  --header 'Content-Type: application/json' \
  --data '
{
  "business_name": "<string>",
  "user_email": "<string>",
  "callback_url": "<string>",
  "legal_entity_id": "<string>",
  "business_information": {
    "business_name": "<string>",
    "business_purpose": "<string>",
    "ein": "<string>",
    "incorporation_date": "2023-12-25",
    "naics_code": "<string>",
    "futa_liability_year": "<string>"
  },
  "external_company_id": "<string>"
}
'

import requests

url = "https://api.example.com/v2/signup/session"

payload = {
    "business_name": "<string>",
    "user_email": "<string>",
    "callback_url": "<string>",
    "legal_entity_id": "<string>",
    "business_information": {
        "business_name": "<string>",
        "business_purpose": "<string>",
        "ein": "<string>",
        "incorporation_date": "2023-12-25",
        "naics_code": "<string>",
        "futa_liability_year": "<string>"
    },
    "external_company_id": "<string>"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    business_name: '<string>',
    user_email: '<string>',
    callback_url: '<string>',
    legal_entity_id: '<string>',
    business_information: {
      business_name: '<string>',
      business_purpose: '<string>',
      ein: '<string>',
      incorporation_date: '2023-12-25',
      naics_code: '<string>',
      futa_liability_year: '<string>'
    },
    external_company_id: '<string>'
  })
};

fetch('https://api.example.com/v2/signup/session', 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/v2/signup/session",
  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([
    'business_name' => '<string>',
    'user_email' => '<string>',
    'callback_url' => '<string>',
    'legal_entity_id' => '<string>',
    'business_information' => [
        'business_name' => '<string>',
        'business_purpose' => '<string>',
        'ein' => '<string>',
        'incorporation_date' => '2023-12-25',
        'naics_code' => '<string>',
        'futa_liability_year' => '<string>'
    ],
    'external_company_id' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "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/v2/signup/session"

	payload := strings.NewReader("{\n  \"business_name\": \"<string>\",\n  \"user_email\": \"<string>\",\n  \"callback_url\": \"<string>\",\n  \"legal_entity_id\": \"<string>\",\n  \"business_information\": {\n    \"business_name\": \"<string>\",\n    \"business_purpose\": \"<string>\",\n    \"ein\": \"<string>\",\n    \"incorporation_date\": \"2023-12-25\",\n    \"naics_code\": \"<string>\",\n    \"futa_liability_year\": \"<string>\"\n  },\n  \"external_company_id\": \"<string>\"\n}")

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

	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/v2/signup/session")
  .header("Content-Type", "application/json")
  .body("{\n  \"business_name\": \"<string>\",\n  \"user_email\": \"<string>\",\n  \"callback_url\": \"<string>\",\n  \"legal_entity_id\": \"<string>\",\n  \"business_information\": {\n    \"business_name\": \"<string>\",\n    \"business_purpose\": \"<string>\",\n    \"ein\": \"<string>\",\n    \"incorporation_date\": \"2023-12-25\",\n    \"naics_code\": \"<string>\",\n    \"futa_liability_year\": \"<string>\"\n  },\n  \"external_company_id\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v2/signup/session")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"business_name\": \"<string>\",\n  \"user_email\": \"<string>\",\n  \"callback_url\": \"<string>\",\n  \"legal_entity_id\": \"<string>\",\n  \"business_information\": {\n    \"business_name\": \"<string>\",\n    \"business_purpose\": \"<string>\",\n    \"ein\": \"<string>\",\n    \"incorporation_date\": \"2023-12-25\",\n    \"naics_code\": \"<string>\",\n    \"futa_liability_year\": \"<string>\"\n  },\n  \"external_company_id\": \"<string>\"\n}"

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

{
  "url": "<string>",
  "created_at": "<string>",
  "expires_at": "<string>",
  "legal_entity_id": "<string>"
}

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