Fix WordPress API Custom Fields

I'm experiencing data retrieval issues with the WordPress API, specifically with custom fields. I'm having trouble retrieving address lookup custom fields.

I'm looking for a freelancer who can:
- Diagnose and fix the data retrieval issue with the WordPress API
- Ensure that custom fields, particularly address lookup fields, are accessible as needed
- Test the solution to confirm that the issue is fully resolved

Ideal Skills and Experience:
- Strong experience with WordPress and its API
- Proficiency in handling custom fields in WordPress
- Problem-solving skills to diagnose and fix API issues