---
title: "Osm Query Endpoint"
method: POST
path: "/api/osm"
---

# Osm Query Endpoint

`POST /api/osm`

Query OpenStreetMap data using natural language and return GeoJSON features.

Examples:
- "All buildings in Mercer Island, WA" -> FeatureCollection of building polygons
- "Parks in Berlin, Germany" -> FeatureCollection of park polygons
- "Restaurants in San Francisco" -> FeatureCollection of restaurant points

## Request body

- OSMRequest
  - `query` string, required — Natural language OSM query (e.g., 'All buildings in Mercer Island, WA')

## Response `200`

Successful Response

- APIResponse
  - `status` string, required
  - `data` object, nullable
  - `error` string, nullable
  - `timestamp` string

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/monarcha/apis/monarcha-gis-api.md) · [All operations](https://skmtc.dev/monarcha/apis/monarcha-gis-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/monarcha/monarcha-gis-api/revisions/a2923fbc4d26/schema)