Maps Platform
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Understanding how the Maps API usage limits affect your sites
maandag 21 november 2011
Several weeks ago we shared an
update
about the
introduction of usage limits
to the Google Maps API. Today I’d like to provide additional details about these limits, the types of sites that may be affected, and as promised, equip you with the means for measuring your site’s Maps API usage.
Usage limits and affected sites
Usage limits are being introduced to secure the long term future of the Maps API, while minimising the impact on developers. We have purposefully set the usage limits as high as possible - at 25,000 map loads per day - to minimise the number of affected developers, while ensuring that the service remains viable going forward. Based on current usage, only the top 0.35% of sites will be affected by these limits, meaning that the Google Maps API will remain free for the vast majority of sites.
We recognise that sites may occasionally experience spikes in traffic that cause them to exceed the daily usage limits for a short period of time. For example, a media site that uses a map to illustrate a breaking news story, or a map-based data visualization that goes viral across social networks, may start to generate higher traffic volumes. In order to accommodate such bursts in popularity, we will only enforce the usage limits on sites that exceed them for 90 consecutive days. Once that criteria is met, the limits will be enforced on the site from that point onwards, and all subsequent excess usage will cause the site to incur charges.
Please be aware that Maps API applications developed by non-profit organisations, applications deemed by Google to be in the public interest, and applications based in countries where we do not support Google Checkout transactions or offer Maps API Premier are exempt from these usage limits. We will publish a process by which sites can apply for an exemption on the basis of the above criteria prior to enforcement of the limits commencing. Non-profit organizations are also encouraged to apply for a
Google Earth Outreach grant
, which provides all the
additional benefits
of a full Maps API Premier license.
Evaluating API usage by your site
To help you measure your site’s Maps API usage, we have now added the Maps API to the
Google APIs Console
. The Google APIs Console is a centralised dashboard for Google’s developer offerings, and we encourage all developers, no matter how big or small your application, to create an APIs Console account.
We are initially introducing the limits for Maps API v2 and Maps API v3 map loads. The Maps Image APIs, and differentiated pricing and limits for Maps API v3 Styled Maps, are not currently included in the APIs Console, but will be added in the future. Once you’ve created an APIs Console account, please follow the instructions in the Maps API documentation to enable
Maps API v2
or
Maps API v3
on your APIs Console Project, and update your application to provide your APIs Console key when loading the Maps API.
After updating your Maps API application, you will begin to
see your usage
reported in the APIs Console. Monitor your usage over several weeks, and if your site consistently exceeds the daily usage limits, you will need to respond in one of the following ways:
Update your site to use the Maps API more efficiently, reducing your usage to below
the limits
Contact the Maps API Premier sales team
to discuss licensing options
Enable billing
on your APIs Console Project
If you choose to enable billing, you will not be charged until enforcement of the usage limits begins in early 2012. Once enforcement begins, excess usage after your site has exceeded the limits for more than 90 days will be charged to the credit card you provided according to the
rates listed in the Maps API FAQ
.
We hope this additional information helps clarify the impact that the Maps API usage limits may have on your site, and recommend that you begin using the Google APIs Console to quantify your usage. For more information, please refer to
the usage limits section of the Maps API FAQ
. For further assistance, we encourage you to visit the the
Google Maps JavaScript API v3 forum
.
Posted by Thor Mitchell, Product Manager, Google Maps API
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