I’m getting HTTP status code 401 Unauthorized

If you are getting this HTTP status code please make sure you are using a valid API key. Check your applications in the Twizo portal for your API keys. If the API key is valid, make sure you base64 encode the username and password. If you are using cURL or one of our libraries or SDK’s, they will do it for you. If you are not using one of those, make sure you base64 encode it like this:

$authorizationHeader = 'Basic ' . base64_encode('twizo:<API_KEY>');

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