WordPress API Sync Fix

I'm looking for an experienced developer to fix a syncing issue with a third-party postcode lookup API on my WordPress website.

Requirements:
- Diagnose and resolve data syncing issues
- Ensure smooth integration with the postcode lookup API
- Test and verify that the API is working correctly post-fix

Ideal Skills and Experience:
- Strong experience with WordPress and third-party APIs
- Proficient in troubleshooting API-related issues
- Knowledge of postcode lookup API integration