curl --request POST \
  --url https://api.cadanapay.com/v1/contracts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "templateId": "8ef9a712-cdae-4110-b1ea-9ba95abbee6e",
  "personId": "8ef9a712-cdae-4110-b1ea-9ba95abbee6e",
  "sender": {
    "email": "batman@gothammail.com",
    "name": "Batman Jr"
  },
  "suppressNotification": false
}
'

import requests

url = "https://api.cadanapay.com/v1/contracts"

payload = {
    "templateId": "8ef9a712-cdae-4110-b1ea-9ba95abbee6e",
    "personId": "8ef9a712-cdae-4110-b1ea-9ba95abbee6e",
    "sender": {
        "email": "batman@gothammail.com",
        "name": "Batman Jr"
    },
    "suppressNotification": False
}
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({
    templateId: '8ef9a712-cdae-4110-b1ea-9ba95abbee6e',
    personId: '8ef9a712-cdae-4110-b1ea-9ba95abbee6e',
    sender: {email: 'batman@gothammail.com', name: 'Batman Jr'},
    suppressNotification: false
  })
};

fetch('https://api.cadanapay.com/v1/contracts', 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.cadanapay.com/v1/contracts",
  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([
    'templateId' => '8ef9a712-cdae-4110-b1ea-9ba95abbee6e',
    'personId' => '8ef9a712-cdae-4110-b1ea-9ba95abbee6e',
    'sender' => [
        'email' => 'batman@gothammail.com',
        'name' => 'Batman Jr'
    ],
    'suppressNotification' => false
  ]),
  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.cadanapay.com/v1/contracts"

	payload := strings.NewReader("{\n  \"templateId\": \"8ef9a712-cdae-4110-b1ea-9ba95abbee6e\",\n  \"personId\": \"8ef9a712-cdae-4110-b1ea-9ba95abbee6e\",\n  \"sender\": {\n    \"email\": \"batman@gothammail.com\",\n    \"name\": \"Batman Jr\"\n  },\n  \"suppressNotification\": false\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.cadanapay.com/v1/contracts")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"templateId\": \"8ef9a712-cdae-4110-b1ea-9ba95abbee6e\",\n  \"personId\": \"8ef9a712-cdae-4110-b1ea-9ba95abbee6e\",\n  \"sender\": {\n    \"email\": \"batman@gothammail.com\",\n    \"name\": \"Batman Jr\"\n  },\n  \"suppressNotification\": false\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.cadanapay.com/v1/contracts")

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  \"templateId\": \"8ef9a712-cdae-4110-b1ea-9ba95abbee6e\",\n  \"personId\": \"8ef9a712-cdae-4110-b1ea-9ba95abbee6e\",\n  \"sender\": {\n    \"email\": \"batman@gothammail.com\",\n    \"name\": \"Batman Jr\"\n  },\n  \"suppressNotification\": false\n}"

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

{
  "id": "ca51f42c-0adc-4a77-8dd1-a03dd4fb955f",
  "name": "Jane Doe - Standard Global Contractor Agreement",
  "personId": "ca51f42c-0adc-4a77-8dd1-a03dd4fb955f",
  "signatures": [
    {
      "emailAddress": "admin@example.com",
      "id": "ca51f42c-0adc-4a77-8dd1-a03dd4fb955f",
      "lastViewedAt": 0,
      "name": "Admin",
      "order": 0,
      "signedAt": 0,
      "status": "unsigned"
    },
    {
      "emailAddress": "worker@example.com",
      "id": "ca51f42c-0adc-4a77-8dd1-a03dd4fb955f",
      "lastViewedAt": 0,
      "name": "Jane Doe",
      "order": 1,
      "signedAt": 0,
      "status": "unsigned"
    }
  ],
  "status": "awaiting business signature",
  "subject": "The contract is ready for signature",
  "templateId": "ca51f42c-0adc-4a77-8dd1-a03dd4fb955f",
  "title": "Acme Corp has sent you a contract for signature"
}

{
  "code": "invalid_request_body",
  "message": "The request body provided is not valid",
  "params": {
    "field": "Value is invalid."
  }
}