Step by step guide to Integrate ZOHO CRM with WordPress Contact Form 7 and Registration Form.
Create new ZOHO module
If you have live contact form and registration form then create a new module in zoho with standard permission and exact same fields(no worries about fields name match and zoho will have currency field by default).
Create ZOHO client ID and client secrete
Create client ID and client secrete from same zoho account to use in zoho wordpress plugin authentication
Install WordPress Plugin and authenticate
Integrate contact form 7 to zoho module with providing each field to counter field of zoho
Send test inquiry