Administrative Divisions API

Backend for OSM administrative divisions.

Features

• OAuth authentication (Google, OpenStreetMap) with JWT
• Save users and favorites to Supabase
• Search administrative division and make parent name path
• RESTful API to query hierarchy per country

Public REST API to get hierarchy:

REST API serving administrative division hierarchies from OpenStreetMap.

Endpoints

Get Country Hierarchy

GET /api/v1/countries/:countryId?levels=4,6

Parameters:

• countryId (required) - OSM relation ID
• levels (optional) - Comma-separated admin levels to include