Overview
OneMap Singapore is the official mapping API provided by the Singapore Land Authority for Singapore addresses and geographic data. You can search for addresses, convert postal codes to coordinates, and calculate routes within Singapore. It uses real, authoritative government data so results are highly accurate for Singapore locations.
Beginner Tip
You need a free account at onemap.gov.sg to get an API token. The token is short-lived (3 hours), so build token refresh logic into your app or re-authenticate as needed.
Available Data
The kind of data this API exposes, based on its documentation. We could not call the endpoint to confirm the exact field names.
Example Response
Illustrative shape only — we were not able to call this endpoint (it requires credentials or exposes no public sample URL), so the fields below show the kind of data this API returns rather than a recorded response.
{
"status": "success",
"data": {
"result": "Data from One Map, Singapore",
"description": "Singapore Land Authority REST API services for Singapore addresses",
"timestamp": "2025-01-15T10:00:00Z"
}
} Field Reference
results Array of address records matching the search query results[].SEARCHVAL The address string as indexed in the database results[].BLK_NO Block or building number of the address results[].ROAD_NAME Name of the road for the address results[].POSTAL 6-digit Singapore postal code results[].LATITUDE Latitude coordinate of the address Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "https://www.onemap.gov.sg/docs/";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
headers: {
"X-API-Key": "YOUR_API_KEY"
}
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
Common Errors & Troubleshooting
Generated guidance based on this API's documentation, not observed by us. Treat it as a starting point and check against the provider's own error reference.
Metadata Score Breakdown
Estimated from metadata — endpoint not independently tested
Metadata estimate · endpoint not independently tested
Technical Specifications
Related Tags
Similar APIs
View All →Apiip
Apiip is an IP geolocation API that returns detailed location data including city, country, timezone, and currency for any IP address.
Battuta
Battuta is a hierarchical location API that lets you browse countries, regions, and cities in a cascade, making it easy to build location pickers with dependent dropdowns.
BigDataCloud
⭐ Beginner's PickBigDataCloud offers a fast and highly accurate IP geolocation API that also includes network security checks and a confidence area metric to indicate how precise the location is.
Bing Maps
Bing Maps (now Azure Maps) is Microsoft's mapping platform that lets you geocode addresses, reverse geocode coordinates, get routes, and embed interactive maps in your applications.
administrative-divisons-db
⭐ Beginner's PickThe Administrative Divisions DB API provides a structured list of all administrative divisions (states, provinces, regions, cities) for countries around the world.