const axios = require('axios');
const ContactsApiFp = require('@alohi/faxplus-api').ContactsApiFp;
const Configuration = require('@alohi/faxplus-api').Configuration;

const config = new Configuration({
    accessToken: accessToken,
    basePath: 'https://restapi.fax.plus/v3',
    // Header required only when using the OAuth2 token scheme
    baseOptions: {
        headers: {
          "x-fax-clientid": clientId,
        }
    }
});

async function createContact() {
    const contactData = {
        name: 'John Doe',
        fax_number: '+12025551234',
        email: 'john@example.com',
        notes: 'Important client'
    };
    const req = await ContactsApiFp(config).createContact({
        userId: 'self',
        body: contactData
    });
    const resp = await req(axios);
}

createContact()

from faxplus import ApiClient, ContactsApi
from faxplus.configuration import Configuration

conf = Configuration()
conf.access_token = access_token
# header_name and header_value required only when using the OAuth2 token scheme
api_client = ApiClient(header_name='x-fax-clientid', header_value=client_id, configuration=conf)
api = ContactsApi(api_client)

contact_data = {
    'name': 'John Doe',
    'fax_number': '+12025551234',
    'email': 'john@example.com',
    'notes': 'Important client'
}

resp = api.create_contact(user_id='self', body=contact_data)

/**
 * Example below uses Apache HTTP Client 4 with Fluent API
 **/

String url = "https://restapi.fax.plus/v3/accounts/self/contacts";

String jsonBody = "{\"name\":\"John Doe\",\"fax_number\":\"+12025551234\",\"email\":\"john@example.com\",\"notes\":\"Important client\"}";

String result = Request
    .Post(url)
     // The x-fax-clientid header is required only when using the OAuth2 token scheme
    .addHeader("x-fax-clientid", "YOUR_CLIENT_ID")
    .addHeader("Content-Type", "application/json")
    .addHeader("Accept", "'application/json'")
    .addHeader("Authorization", "'Bearer {access-token}'")
    .bodyString(jsonBody, ContentType.APPLICATION_JSON)
    .execute()
    .returnContent().asString();

System.out.println(result.toString());

package main

import (
       "bytes"
       "net/http"
)

func main() {

    headers := map[string][]string{
        // The x-fax-clientid header is required only when using the OAuth2 token scheme
        "Content-Type": []string{"application/json"},
        "Accept": []string{"application/json"},
        "Authorization": []string{"Bearer {access-token}"},
        "x-fax-clientid": []string{"YOUR_CLIENT_ID"}
    }

    jsonBody := []byte(`{"name":"John Doe","fax_number":"+12025551234","email":"john@example.com","notes":"Important client"}`)
    data := bytes.NewBuffer(jsonBody)
    req, err := http.NewRequest("POST", "https://restapi.fax.plus/v3/accounts/self/contacts", data)
    req.Header = headers

    client := &http.Client{}
    resp, err := client.Do(req)
    // ...
}

<?php

require 'vendor/autoload.php';

$headers = array(
    'Content-Type' => 'application/json',
    'Accept' => 'application/json',
    'Authorization' => 'Bearer {access-token}',
    // The x-fax-clientid header is required only when using the OAuth2 token scheme
    'x-fax-clientid' => '{client ID}',
);

$client = new GuzzleHttp\Client();

$body = array(
    'name' => 'John Doe',
    'fax_number' => '+12025551234',
    'email' => 'john@example.com',
    'notes' => 'Important client'
);

try {
    $response = $client->request('POST','https://restapi.fax.plus/v3/accounts/self/contacts', array(
        'headers' => $headers,
        'json' => $body,
        )
    );
    print_r($response->getBody()->getContents());
 }
 catch (GuzzleHttp\Exception\BadResponseException $e) {
    // handle exception or api errors.
    print_r($e->getMessage());
 }

 // ...

curl -X POST https://restapi.fax.plus/v3/accounts/self/contacts \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json'  \
  -H 'Authorization: Bearer {access-token}' \
  -H 'x-fax-clientid: "YOUR_CLIENT_ID"' \
  -d '{
    "name": "John Doe",
    "fax_number": "+12025551234",
    "email": "john@example.com",
    "notes": "Important client"
  }'