curl --request POST \
  --url https://api.telli.com/v2/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "firstName": "<string>",
  "lastName": "<string>",
  "phoneNumber": "<string>",
  "externalId": "<string>",
  "externalUrl": "<string>",
  "salutation": "<string>",
  "timezoneIana": "<string>",
  "email": "<string>",
  "properties": [
    {
      "key": "<string>",
      "value": "<unknown>"
    }
  ]
}
'

import requests

url = "https://api.telli.com/v2/contacts"

payload = {
    "firstName": "<string>",
    "lastName": "<string>",
    "phoneNumber": "<string>",
    "externalId": "<string>",
    "externalUrl": "<string>",
    "salutation": "<string>",
    "timezoneIana": "<string>",
    "email": "<string>",
    "properties": [
        {
            "key": "<string>",
            "value": "<unknown>"
        }
    ]
}
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({
    firstName: '<string>',
    lastName: '<string>',
    phoneNumber: '<string>',
    externalId: '<string>',
    externalUrl: '<string>',
    salutation: '<string>',
    timezoneIana: '<string>',
    email: '<string>',
    properties: [{key: '<string>', value: '<unknown>'}]
  })
};

fetch('https://api.telli.com/v2/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.telli.com/v2/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([
    'firstName' => '<string>',
    'lastName' => '<string>',
    'phoneNumber' => '<string>',
    'externalId' => '<string>',
    'externalUrl' => '<string>',
    'salutation' => '<string>',
    'timezoneIana' => '<string>',
    'email' => '<string>',
    'properties' => [
        [
                'key' => '<string>',
                'value' => '<unknown>'
        ]
    ]
  ]),
  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.telli.com/v2/contacts"

	payload := strings.NewReader("{\n  \"firstName\": \"<string>\",\n  \"lastName\": \"<string>\",\n  \"phoneNumber\": \"<string>\",\n  \"externalId\": \"<string>\",\n  \"externalUrl\": \"<string>\",\n  \"salutation\": \"<string>\",\n  \"timezoneIana\": \"<string>\",\n  \"email\": \"<string>\",\n  \"properties\": [\n    {\n      \"key\": \"<string>\",\n      \"value\": \"<unknown>\"\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://api.telli.com/v2/contacts")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"firstName\": \"<string>\",\n  \"lastName\": \"<string>\",\n  \"phoneNumber\": \"<string>\",\n  \"externalId\": \"<string>\",\n  \"externalUrl\": \"<string>\",\n  \"salutation\": \"<string>\",\n  \"timezoneIana\": \"<string>\",\n  \"email\": \"<string>\",\n  \"properties\": [\n    {\n      \"key\": \"<string>\",\n      \"value\": \"<unknown>\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.telli.com/v2/contacts")

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  \"firstName\": \"<string>\",\n  \"lastName\": \"<string>\",\n  \"phoneNumber\": \"<string>\",\n  \"externalId\": \"<string>\",\n  \"externalUrl\": \"<string>\",\n  \"salutation\": \"<string>\",\n  \"timezoneIana\": \"<string>\",\n  \"email\": \"<string>\",\n  \"properties\": [\n    {\n      \"key\": \"<string>\",\n      \"value\": \"<unknown>\"\n    }\n  ]\n}"

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

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "type": "<unknown>",
  "externalId": "<string>",
  "externalUrl": "<string>",
  "salutation": "<string>",
  "firstName": "<string>",
  "lastName": "<string>",
  "phoneNumber": "<string>",
  "timezoneIana": "<string>",
  "email": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "properties": [
    {
      "key": "<string>",
      "value": "<unknown>",
      "label": "<string>",
      "options": [
        {
          "value": "<string>",
          "label": "<string>",
          "description": "<string>"
        }
      ]
    }
  ]
}

{
  "defined": "<unknown>",
  "code": "<unknown>",
  "status": "<unknown>",
  "message": "API key is missing or invalid",
  "data": "<unknown>"
}

{
  "defined": "<unknown>",
  "code": "<unknown>",
  "status": "<unknown>",
  "message": "External ID already exists for this account",
  "data": {
    "externalId": "<string>"
  }
}

{
  "defined": "<unknown>",
  "code": "<unknown>",
  "status": "<unknown>",
  "message": "Validation failed",
  "data": {
    "issues": [
      {
        "code": "<string>",
        "message": "<string>",
        "path": [
          "<string>"
        ]
      }
    ]
  }
}