Need Mobile number otp registration for my website

Need Mobile number otp registration for my website
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Registration page :
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1. Mobile number
2. otp
3 password (md5)
4. referal code (optional)

5. unique id for user (hidden)
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getting these details form registration page

after otp verification success all form data need to store in database.

use php
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U can use these sms gateways

2factor
fast2sms

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payment information : ( important )

after successfully completed show me demo then only i can process the payment.

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