curl --request POST \
  --url https://api.telli.com/v1/add-contacts-batch \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "contacts": [
    {
      "external_contact_id": "<string>",
      "first_name": "<string>",
      "last_name": "<string>",
      "phone_number": "<string>",
      "external_url": "<string>",
      "salutation": "<string>",
      "email": "[email protected]",
      "contact_details": {},
      "timezone": "<string>"
    }
  ]
}
'

import requests

url = "https://api.telli.com/v1/add-contacts-batch"

payload = { "contacts": [
        {
            "external_contact_id": "<string>",
            "first_name": "<string>",
            "last_name": "<string>",
            "phone_number": "<string>",
            "external_url": "<string>",
            "salutation": "<string>",
            "email": "[email protected]",
            "contact_details": {},
            "timezone": "<string>"
        }
    ] }
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    contacts: [
      {
        external_contact_id: '<string>',
        first_name: '<string>',
        last_name: '<string>',
        phone_number: '<string>',
        external_url: '<string>',
        salutation: '<string>',
        email: '[email protected]',
        contact_details: {},
        timezone: '<string>'
      }
    ]
  })
};

fetch('https://api.telli.com/v1/add-contacts-batch', 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.telli.com/v1/add-contacts-batch",
  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([
    'contacts' => [
        [
                'external_contact_id' => '<string>',
                'first_name' => '<string>',
                'last_name' => '<string>',
                'phone_number' => '<string>',
                'external_url' => '<string>',
                'salutation' => '<string>',
                'email' => '[email protected]',
                'contact_details' => [
                                
                ],
                'timezone' => '<string>'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "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.telli.com/v1/add-contacts-batch"

	payload := strings.NewReader("{\n  \"contacts\": [\n    {\n      \"external_contact_id\": \"<string>\",\n      \"first_name\": \"<string>\",\n      \"last_name\": \"<string>\",\n      \"phone_number\": \"<string>\",\n      \"external_url\": \"<string>\",\n      \"salutation\": \"<string>\",\n      \"email\": \"[email protected]\",\n      \"contact_details\": {},\n      \"timezone\": \"<string>\"\n    }\n  ]\n}")

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

	req.Header.Add("Authorization", "<api-key>")
	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.telli.com/v1/add-contacts-batch")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"contacts\": [\n    {\n      \"external_contact_id\": \"<string>\",\n      \"first_name\": \"<string>\",\n      \"last_name\": \"<string>\",\n      \"phone_number\": \"<string>\",\n      \"external_url\": \"<string>\",\n      \"salutation\": \"<string>\",\n      \"email\": \"[email protected]\",\n      \"contact_details\": {},\n      \"timezone\": \"<string>\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.telli.com/v1/add-contacts-batch")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"contacts\": [\n    {\n      \"external_contact_id\": \"<string>\",\n      \"first_name\": \"<string>\",\n      \"last_name\": \"<string>\",\n      \"phone_number\": \"<string>\",\n      \"external_url\": \"<string>\",\n      \"salutation\": \"<string>\",\n      \"email\": \"[email protected]\",\n      \"contact_details\": {},\n      \"timezone\": \"<string>\"\n    }\n  ]\n}"

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

{
  "total_processed": 4,
  "total_success": 3,
  "total_failed": 1,
  "result": [
    {
      "external_contact_id": "ext123",
      "status": "success",
      "contact_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
    },
    {
      "external_contact_id": "ext124",
      "status": "success",
      "contact_id": "b2c3d4e5-f6a7-8901-bcde-f12345678901"
    },
    {
      "external_contact_id": "ext125",
      "status": "success",
      "contact_id": "c3d4e5f6-a7b8-9012-cdef-123456789012"
    },
    {
      "external_contact_id": "ext125",
      "status": "error",
      "error": "External ID already exists, must be unique"
    }
  ]
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}