What is the best way to create a whois lookup? [closed]

Question

I want add a domain registration in a website written with PHP. So I need a whois lookup service. What do I need to do? What's are its steps?

Do I need a database, API or ... ? Help me please

Answer 1

I cannot speak to the quality of any of the following services, but here are a few offerings:

• WhoAPI
• Hexillion Whois API
• DomainTools API
• WhoisXMLAPI