Eventsmatic:

Authentication

The Eventsmatic API uses API keys to authenticate requests. You can manage your API keys in your box office settings. Authentication to the API is performed via HTTP Basic Auth. Provide your API key as the basic auth username. You do not need to provide a password.

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# You can also use wget
curl -X GET /v1/orders \
  -H 'Accept: application/json' \
  -u'sk_1000_1000_VGlja2V0VGFpbG9y:'
# The colon prevents curl from asking for a password.

<?php
require 'vendor/autoload.php';
$headers = array(
    'Accept' => 'application/json',
    'Authorization' => 'Basic VGlja2V0VGFpbG9y:'
);
$client = new \GuzzleHttp\Client();
// Define array of request body. $request_body = array();
try {
    $response = $client->request('GET','/v1/orders', array(
        'headers' => $headers,
        'json' => $request_body,
      )
    );
    print_r($response->getBody()->getContents());
} catch (\GuzzleHttp\Exception\BadResponseException $e) {
    // handle exception or api errors.
    print_r($e->getMessage());
}

require 'rest-client'
require 'json'

headers = {
 'Accept' => 'application/json',
 'Authorization' => 'Basic VGlja2V0VGFpbG9y'
}

result = RestClient.get '/v1/orders?limit=1',
 headers

p JSON.parse(result)

import requests

headers = {
  'Accept': 'application/json',
  'Authorization': 'Basic VGlja2V0VGFpbG9y'
}

r = requests.get('/v1/orders', params={}, headers = headers)

print r.json()