# Retrieve a List of Custom Fields

**GET /api/address_book/custom_fields.json**

Retrieve a list of custom Address Book fields currently setup in your organization.  This returns the name, type, and UUID for the field.  The UUID can then be used to update Customers' info other calls.


## Servers
- Production: https://application.textline.com (Production)



## Parameters




## Responses
### 200
OK

#### Body: application/json (object)
- **fields** (array)



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