curl --request POST \
  --url https://lancepilot.com/api/v3/workspaces/{workspace}/newsletters/{newsletter}/subscribe \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "contact_id": "e7b8d2a2-4c3f-4a1e-9c2e-123456789abc",
  "status": true,
  "name": "John Doe",
  "email": "[email protected]",
  "custom_input_value": [
    {
      "id": 1,
      "value": "Some value"
    }
  ]
}
'

import requests

url = "https://lancepilot.com/api/v3/workspaces/{workspace}/newsletters/{newsletter}/subscribe"

payload = {
    "contact_id": "e7b8d2a2-4c3f-4a1e-9c2e-123456789abc",
    "status": True,
    "name": "John Doe",
    "email": "[email protected]",
    "custom_input_value": [
        {
            "id": 1,
            "value": "Some value"
        }
    ]
}
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({
    contact_id: 'e7b8d2a2-4c3f-4a1e-9c2e-123456789abc',
    status: true,
    name: 'John Doe',
    email: '[email protected]',
    custom_input_value: [{id: 1, value: 'Some value'}]
  })
};

fetch('https://lancepilot.com/api/v3/workspaces/{workspace}/newsletters/{newsletter}/subscribe', 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://lancepilot.com/api/v3/workspaces/{workspace}/newsletters/{newsletter}/subscribe",
  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([
    'contact_id' => 'e7b8d2a2-4c3f-4a1e-9c2e-123456789abc',
    'status' => true,
    'name' => 'John Doe',
    'email' => '[email protected]',
    'custom_input_value' => [
        [
                'id' => 1,
                'value' => 'Some value'
        ]
    ]
  ]),
  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://lancepilot.com/api/v3/workspaces/{workspace}/newsletters/{newsletter}/subscribe"

	payload := strings.NewReader("{\n  \"contact_id\": \"e7b8d2a2-4c3f-4a1e-9c2e-123456789abc\",\n  \"status\": true,\n  \"name\": \"John Doe\",\n  \"email\": \"[email protected]\",\n  \"custom_input_value\": [\n    {\n      \"id\": 1,\n      \"value\": \"Some value\"\n    }\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://lancepilot.com/api/v3/workspaces/{workspace}/newsletters/{newsletter}/subscribe")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"contact_id\": \"e7b8d2a2-4c3f-4a1e-9c2e-123456789abc\",\n  \"status\": true,\n  \"name\": \"John Doe\",\n  \"email\": \"[email protected]\",\n  \"custom_input_value\": [\n    {\n      \"id\": 1,\n      \"value\": \"Some value\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://lancepilot.com/api/v3/workspaces/{workspace}/newsletters/{newsletter}/subscribe")

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  \"contact_id\": \"e7b8d2a2-4c3f-4a1e-9c2e-123456789abc\",\n  \"status\": true,\n  \"name\": \"John Doe\",\n  \"email\": \"[email protected]\",\n  \"custom_input_value\": [\n    {\n      \"id\": 1,\n      \"value\": \"Some value\"\n    }\n  ]\n}"

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

{
  "data": {}
}

{
  "message": "Unauthenticated."
}

{
  "message": "Resource not found.",
  "status": 404
}