HTTP Methods
Zoho Books API uses appropriate HTTP verbs for every action.
| Method | Description | 
|---|---|
| GET | Used for retrieving resources. | 
| POST | Used for creating resources and performing resource actions. | 
| PUT | Used for updating resources. | 
| DELETE | Used for deleting resources. | 
Using GET method, you can get the list of resources or details of a particular instance of a resource. To get a list of customers
$ curl https://www.zohoapis.com/books/v3/contacts?organization_id=10234695
-H  'Authorization: Zoho-oauthtoken 1000.41d9xxxxxxxxxxxxxxxxxxxxxxxxc2d1.8fccxxxxxxxxxxxxxxxxxxxxxxxx125f'
        
      To get the details of a customer referred to by a specified customer_id
$ curl https://www.zohoapis.com/books/v3/contacts/903000000000099?organization_id=10234695
-H  'Authorization: Zoho-oauthtoken 1000.41d9xxxxxxxxxxxxxxxxxxxxxxxxc2d1.8fccxxxxxxxxxxxxxxxxxxxxxxxx125f'