Simple number verification/second factor authentication service.

Usage

Send an SMS with the PIN, and get a hash to verification:

Request: POST /?number=13215551212 Response: {"hash":"0021e28230ff8ba40165e595ef7cbe21214b34d6"}

Verify the correct PIN:

Request: GET /0021e28230ff8ba40165e595ef7cbe21214b34d6?number=13215551212&pin=7901 Response: {"valid":true}

Verify an incorrect PIN:

Request: GET /0021e28230ff8ba40165e595ef7cbe21214b34d6?number=13215551212&pin=7900 Response: {"valid":false}

Installation

• Copy source to a web root.
• Add Nexmo credentials through environment variables, or define()
• Route all requests to index.php (in many cases this will happen by default; if not, index.php can be prepended to the GET requests).