curl --request POST \
  --url https://api.sandbox.tesouro.com/finops/v1/counterparts/{counterpart_id}/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-finops-version: <x-finops-version>' \
  --header 'x-organization-id: <x-organization-id>' \
  --data @- <<EOF
{
  "address": {
    "city": "New York",
    "country": "US",
    "line1": "456 Fifth Avenue",
    "postal_code": "10001",
    "line2": "<string>",
    "state": "<string>"
  },
  "first_name": "Mary",
  "last_name": "O'Brien",
  "email": "contact@example.org",
  "phone": "5551235476",
  "title": "Ms."
}
EOF

import requests

url = "https://api.sandbox.tesouro.com/finops/v1/counterparts/{counterpart_id}/contacts"

payload = {
    "address": {
        "city": "New York",
        "country": "US",
        "line1": "456 Fifth Avenue",
        "postal_code": "10001",
        "line2": "<string>",
        "state": "<string>"
    },
    "first_name": "Mary",
    "last_name": "O'Brien",
    "email": "contact@example.org",
    "phone": "5551235476",
    "title": "Ms."
}
headers = {
    "x-finops-version": "<x-finops-version>",
    "x-organization-id": "<x-organization-id>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-finops-version': '<x-finops-version>',
    'x-organization-id': '<x-organization-id>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    address: {
      city: 'New York',
      country: 'US',
      line1: '456 Fifth Avenue',
      postal_code: '10001',
      line2: '<string>',
      state: '<string>'
    },
    first_name: 'Mary',
    last_name: 'O\'Brien',
    email: 'contact@example.org',
    phone: '5551235476',
    title: 'Ms.'
  })
};

fetch('https://api.sandbox.tesouro.com/finops/v1/counterparts/{counterpart_id}/contacts', 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.sandbox.tesouro.com/finops/v1/counterparts/{counterpart_id}/contacts",
  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([
    'address' => [
        'city' => 'New York',
        'country' => 'US',
        'line1' => '456 Fifth Avenue',
        'postal_code' => '10001',
        'line2' => '<string>',
        'state' => '<string>'
    ],
    'first_name' => 'Mary',
    'last_name' => 'O\'Brien',
    'email' => 'contact@example.org',
    'phone' => '5551235476',
    'title' => 'Ms.'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "x-finops-version: <x-finops-version>",
    "x-organization-id: <x-organization-id>"
  ],
]);

$response = curl_exec($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.sandbox.tesouro.com/finops/v1/counterparts/{counterpart_id}/contacts"

	payload := strings.NewReader("{\n  \"address\": {\n    \"city\": \"New York\",\n    \"country\": \"US\",\n    \"line1\": \"456 Fifth Avenue\",\n    \"postal_code\": \"10001\",\n    \"line2\": \"<string>\",\n    \"state\": \"<string>\"\n  },\n  \"first_name\": \"Mary\",\n  \"last_name\": \"O'Brien\",\n  \"email\": \"contact@example.org\",\n  \"phone\": \"5551235476\",\n  \"title\": \"Ms.\"\n}")

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

	req.Header.Add("x-finops-version", "<x-finops-version>")
	req.Header.Add("x-organization-id", "<x-organization-id>")
	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.sandbox.tesouro.com/finops/v1/counterparts/{counterpart_id}/contacts")
  .header("x-finops-version", "<x-finops-version>")
  .header("x-organization-id", "<x-organization-id>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"address\": {\n    \"city\": \"New York\",\n    \"country\": \"US\",\n    \"line1\": \"456 Fifth Avenue\",\n    \"postal_code\": \"10001\",\n    \"line2\": \"<string>\",\n    \"state\": \"<string>\"\n  },\n  \"first_name\": \"Mary\",\n  \"last_name\": \"O'Brien\",\n  \"email\": \"contact@example.org\",\n  \"phone\": \"5551235476\",\n  \"title\": \"Ms.\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sandbox.tesouro.com/finops/v1/counterparts/{counterpart_id}/contacts")

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

request = Net::HTTP::Post.new(url)
request["x-finops-version"] = '<x-finops-version>'
request["x-organization-id"] = '<x-organization-id>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"address\": {\n    \"city\": \"New York\",\n    \"country\": \"US\",\n    \"line1\": \"456 Fifth Avenue\",\n    \"postal_code\": \"10001\",\n    \"line2\": \"<string>\",\n    \"state\": \"<string>\"\n  },\n  \"first_name\": \"Mary\",\n  \"last_name\": \"O'Brien\",\n  \"email\": \"contact@example.org\",\n  \"phone\": \"5551235476\",\n  \"title\": \"Ms.\"\n}"

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

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "address": {
    "city": "New York",
    "country": "US",
    "line1": "456 Fifth Avenue",
    "postal_code": "10001",
    "line2": "<string>",
    "state": "<string>"
  },
  "counterpart_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "first_name": "Mary",
  "is_default": true,
  "last_name": "O'Brien",
  "email": "contact@example.org",
  "phone": "5551235476",
  "title": "Ms."
}

{
  "error": {
    "message": "<string>"
  }
}

{
  "error": {
    "message": "<string>"
  }
}

{
  "error": {
    "message": "<string>"
  }
}

{
  "error": {
    "message": "<string>"
  }
}

{
  "error": {
    "message": "<string>"
  }
}

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

{
  "error": {
    "message": "<string>"
  }
}