NSW Development Applications Nearby Search

Use this endpoint when you need to find development applications geographically near a specific NSW address or coordinate, especially when proximity ordering matters. Prefer this over the search-by-council/suburb endpoint when the user has a specific location (address or lat/lng) and wants results sorted by distance. Use the radius_m parameter to tighten or widen the search area (up to 2 km). Use the full-record endpoint when you already have a DA identifier and need complete application details.

• Neither address nor lat/lng provided — returns error requiring at least one location input
• Address cannot be geocoded to an NSW location — returns geocoding failure
• radius_m outside 1–2000 range — returns validation error
• limit outside 1–100 range — returns validation error
• lodged_from date in invalid format — returns date parse error
• No development applications found within the specified radius — returns empty results list
• Payment not included or insufficient — returns 402 Payment Required