The OneMap API provides a simple mechanism to allow you to link or embed a map on your website.
OneMap allows you to create web applications with location maps with just a few lines of code. The OneMap API allows you to mashup your own data or data available in the OneMap database on the base-map.
SLA (Singapore Land Authority)
OneMap access is provided by means of an API key. You can apply for an API key here and it will be automatically emailed to you.