Sign Up for the Google Maps API——Google 地图 API 文档之四

Sign Up for the Google Maps API

The Google Maps API lets you embed Google Maps in your own web pages. A single Maps API key is valid for a single "directory" on your web server, so if you sign up for the URL http://www.mygooglemapssite.com/mysite, the key you get will be good for all URLs in the http://www.mygooglemapssite.com/mysite/ directory. See the API documentation for more information. You must have a Google Account to get a Maps API key, and your API key will be connected to your Google Account.

Here are some highlights from the terms for those of you who aren't lawyers:

  • There is no limit on the number of page views you may generate per day using the Maps API. However, if you expect more than 500,000 page views per day, please contact us in advance so we can provision additional capacity to handle your traffic. Otherwise your quality of service may be degraded.
  • There is a limit of 50,000 geocode requests per day per Maps API key. This translates to roughly one geocode request every 1.73 seconds. If you go over this 24-hour limit, the Maps API geocoder may stop working for you temporarily. If you continue to abuse this limit, your access to the Maps API geocoder may be blocked permanently.
  • The Maps API does not include advertising. If we ever decide to change this policy, we will give you at least 90 days notice via the Google Maps API Blog.
  • Your service must be freely accessible to end users. To use Google mapping technology in other types of applications, please use Google Maps for Enterprise.
  • You may not alter or obscure the logos or attribution on the map.
  • Google will upgrade the API periodically, and you must update your site to use the new versions of the API. The Maps team will notify you of updates on the Google Maps API Blog. If we make a non-backwards compatible change, we will give you at least a month's notice to make the transition, during which both versions of the API will be available.
  • There are some uses of the API that we just don't want to see. For instance, we do not want to see maps that identify the places to buy illegal drugs in a city, or any similar illegal activity. We also want to respect people's privacy, so the API should not be used to identify private information about private individuals. Remember that we reserve the right to suspend or terminate your use of the service at any time, so feel free to contact us before you do all the integration work if you are unsure of whether your implementation will meet our Terms of Use.
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