The BD ALTI® product is the reference for relief in France. From ALTI® BD is derived a full range of NTMs (Digital Terrain Models) and isohypses that describe the shape of the terrain at different scales (from 1: 25,000 to 1: 1 000 000).
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FAQ
Frequently Asked Questions
Some basic informations about API Store ®.
Operation and development of APIs are currently fully funded by company Apitalks and its usage is for free.
Yes, you can.
All important information such as time of last update, license and other information are in response of each API call.
In case of major update that would not be compatible with previous version of API, we keep for 30 days both versions so you will have enough time to transfer to new version. We will inform you about the changes in advance by e-mail.