Message sent successfully!
<pre>Array
(
    [messaging_product] => whatsapp
    [contacts] => Array
        (
            [0] => Array
                (
                    [input] => 917073310859
                    [wa_id] => 917073310859
                )

        )

    [messages] => Array
        (
            [0] => Array
                (
                    [id] => wamid.HBgMOTE3MDczMzEwODU5FQIAERgSMURGMDJBODU4NzkwRTcyRDFCAA==
                )

        )

)
</pre>Message sent successfully!
<pre>Array
(
    [messaging_product] => whatsapp
    [contacts] => Array
        (
            [0] => Array
                (
                    [input] => 917073310859
                    [wa_id] => 917073310859
                )

        )

    [messages] => Array
        (
            [0] => Array
                (
                    [id] => wamid.HBgMOTE3MDczMzEwODU5FQIAERgSRUJERjUzMzQ3Qjc5N0VFRDNFAA==
                )

        )

)
</pre>Message sent successfully!
<pre>Array
(
    [messaging_product] => whatsapp
    [contacts] => Array
        (
            [0] => Array
                (
                    [input] => 917073310859
                    [wa_id] => 917073310859
                )

        )

    [messages] => Array
        (
            [0] => Array
                (
                    [id] => wamid.HBgMOTE3MDczMzEwODU5FQIAERgSNDhGMTkzRDRBQzdDRkVERTM3AA==
                )

        )

)
</pre>Error (400): {"error":{"message":"(#100) Unexpected key \"url\" on param \"interactive['action']['buttons'][1]\".","type":"OAuthException","code":100,"fbtrace_id":"AMXV1Nc_6W1ntnPBjQYhTWD"}}