I am using Google Maps API to geocode locations from asp.net - doing a few queries per day (well under the 2500 limit). This has worked fine for a year and still works on my development server but now I am constantly getting the status returned 'OVER_QUERY_LIMIT'.
I assume, but have no way of knowing for sure, that this is because someone else on the same IP address of my host is doing the same and using all the limit.
The geocoding api does not seem to let me use an API key. If I try to add &key=xxx I get a REQUEST_DENIED error.
How can I identify myself to google as separate?
You can't identify yourself as separate from your co-hosted competitor (for example, by using a key). The reason for this is probably because people would simply use different keys to get multiple allowances.
The only solution is to change your hosting, or switch to client-side geocoding.
Google also limits on the number of request per second, this may be causing the error. Try switching to http://developer.yahoo.com/geo/placefinder/ usage limit is 50,000 requests per day
Related
I have a published layer in Google Maps Engine that I am attempting to display using the Google Maps V3 API. In GME, the layer's "Shared with" access list includes my user and the "API access" access list also includes by user.
I am making the Maps V3 API call using MapsEngineLayer from the visualization library, and setting the appropriate auth token and layer asset id as part of the layerOptions.
The API call is failing with the error message:
Google Maps API V3 error: 403 (Forbidden access for too many pageviews)
The URL looks like:
https://earthbuilder.googleapis.com/my_gme_layer_asset_id-4/maproot/json?
output=jsonp&access_token=my_auth_token&callback=xdc._tsel5i
I have found some discussion threads related to "403" and "forbidden", but am having difficulty figuring out the meaning of (and solution to) the "too many pageviews" issue.
Any suggestions would be appreciated.
If you tried with #David solution and it doesnt work. It worths to check that you are not caching (or storing locally) the google maps js script. Google don't allow that. If you serve that file it will work for about 3 days and then stop working.
How many requests have you made so far today, there are usage limits on the Maps API that may be preventing you from requesting any further data.
https://developers.google.com/maps/faq#usagelimits
Although it does seem unlikely that you have hit their hard set 25,000 requests, you may want to make sure that you aren't accidentally DOSing them with http requests. That sort of thing will invariably burn through your limit, and potentially place your IP on a blacklist.
Also, you should check the Maps API Reference materials, i think you may be trying to use a deprecated API.
https://developers.google.com/maps/documentation/webservices
Your http request should look more like this:
http://maps.googleapis.com/maps/api/service/output?parameters
Where output is either json or xml.
edit: The Maps API Help page is located here.
I use calls like
http://maps.googleapis.com/maps/api/geocode/xml?address=Switzerland+Bern+&components=country:CH&sensor=false
to get geocoodinates. This works for some hours an after that there is a response
<?xml version="1.0" encoding="UTF-8"?>
<GeocodeResponse> <status>OVER_QUERY_LIMIT</status> </GeocodeResponse>
I am pretty shure that I dont exceed 2500 calls I can make with my server api key and in the API Konsole I only have reached 10% of my quota.
I even have billing enabled. Is there a way to debug this further or is there something I am missing?
This is my API Konsole:
This is the usage data
I have the same issue. From research I understand the geocoder has a request limit of 2,500 per day and 20 per second. These are on an IP address basis.
See https://developers.google.com/maps/documentation/geocoding/index#Limits
That means if your application is on a shared server, and there are other applications sharing the IP address and using the geocode service, their requests will be bundled with yours to provide the total.
I do not know of any way of seeing the request report for the geocoder, the report in the API console is for Maps, which is for displaying a map not for geocoding an address.
As far as I'm aware, there does not seem to be any way round the geocoder limit, simply having a standard paid API account does not seem to make any difference to the request limit.
Maps for Business accounts however allow a usage limit of up to 100,000 requests per day.
The best option may be for you to change the architecture of your application (if possible) from server side geocoding to client side geocoding, which would negate the restriction on your servers IP. See https://developers.google.com/maps/articles/geocodestrat
I think it's a problem with Google. Try to avoid server side geocode. Instead use a client side geocode.
I'm placing up to 25 markers on a map but when I hit 12 I get an error of "OVER_QUERY_LIMIT".
I have hit nowhere near the 2,500 hits a day limit.
If I try and plot only 11 markers I have no problem.
Any one know why this is?
edit
Ok, a lot of testing and I have determined that I can't call geocoder.geocode more than a certain number of times before I have to wait until the calls are done.
I have implemented a version that sends a bunch of requests, waits and then sends more and it's working but it's a total fudge.
Is there a way to geocode a bunch of addresses at once without this limitation?
My client does not store the latlng of the addresses so I need to get that from the address.
The JS geocoder is rate limited:
"The Google Maps API provides a geocoder class for geocoding addresses dynamically from user input. These requests are rate-limited to discourage abuse of the service. If instead, you wish to geocode static, known addresses, see the Geocoding web service documentation."
From http://code.google.com/apis/maps/documentation/javascript/geocoding.html#Geocoding
The web service documentation also mentions a rate limit, but presumably it's higher:
http://code.google.com/apis/maps/documentation/geocoding/#Limits
You can also cache addresses for a limited amount of time for performance purposes. That would allow you to check your cache first before running into the problem.
I was trying to use Google Distance Matrix API JSON in my project, after formatting the url, for example:
http://maps.googleapis.com/maps/api/distancematrix/json?origins=Vancouver+BC|Seattle&destinations=San+Francisco|Victoria+BC&mode=bicycling&language=en&sensor=false
I was able to view the result in browser, but when I tried to make a http request to get the result, I will receive status : REQUEST_DENIED
In documentation:
REQUEST_DENIED indicates that the service denied use of the Distance
Matrix service by your application.
But I still don't know why my request is denied. More Info from google:
Use of the Distance Matrix API must relate to the display of
information on a Google Map; for example, to determine
origin-destination pairs that fall within a specific driving time from
one another, before requesting and displaying those destinations on a
map. Use of the service in an application that doesn't display a
Google map is prohibited.
If I can't get the result, how can I apply it on google map?
Anyone with same problem? I will post sample code later, to clarify my question more clearly.
I had a similar problem, but it was due to assuming that the sensor tag would default to false, but it is in fact required.
Google Distance Matrix API has a limit of elements set to 2500.
I highly doubt it that you would have gone over this limit, as you would have to have calculated the maximum 10 x 10 matrix 25 times over.
I am from South Africa, and it refused to work for any local addresses until I changed the transport mode to driving (from walking, I mean seriously, we have cars). Maybe that'll help
https://maps.googleapis.com/maps/api/distancematrix/json?origins=Seattle&destinations=San+Francisco&key=YOUR_API_KEY
Please make sure that you have created a credentials on Google Console which can be called as "API KEY" and you are using this API KEY in above request URL on the place of "YOUR_API_KEY"
I had the same problem earlier.
you need to check out with the Google Api key version and codes/scripts of version you are using.
I believe you need to get a Google Maps API key
You need to set an API KEY for using Google map services like this:
https://maps.googleapis.com/maps/api/distancematrix/json?units=imperial&origins=Washington,DC&destinations=New+York+City,NY&key=**YOUR_API_KEY**
First thing is that you need is to have an API key assigned to your application. This is done by creating it in the Google API Manager.
I hope your have enabled distance matrix API from google console for your application.
please refer
https://support.google.com/googleapi/answer/6158841?hl=en
along with this you can restrict API_KEY for unauthorized use.
I am working on a project which requires a server side access to google map api. i want to calculate distance (actual distance, not straight line). google map api supports javascript and not asp.net. please give suggestions ...!
you specified google maps in your question - but have you looked at Virtual Earth? Specifically this routing with Virtual Earth Web Service example sounds exactly like what you want:
server-side access (just Add Service Reference inside visual studio)
actual distance (not straight line) since it is using a route
The concerns raised by others about T&Cs for 'internal/intranet use' apply to VE as well as Google I think - you'll have to read up about whether your application needs licensing or not.
p.s. if you did just want to calculate straight-line distance, I have instructions using SQL Server 2008; which also links to some straight c# code that does it too.
The Google API allows you to Geocode via a server side call:
http://code.google.com/apis/maps/documentation/services.html#Geocoding_Direct
This would allow you to get the longitude and latitude of the locations. You can then cache these and use them to calculate distance using the techniques CMS suggests.
You will need to be careful of the Google T&C's though as you are only allowed to store the geocoding data for use on a Google map which is publicly available.
You would probably also run into limitations on the number of requests you could make from a single IP.
However I think what you mean by non-straight line distance is distance taking into account roads and one way streets etc.
If this is the case I think a commercial service is your only option. Although theoretically you could do it all via screen scraping, I'm almost certain that this would break Google's T&C's.
The simplest solution would probably be just to embed a Google map on a page of your application and let the user calculate the distance. You could pre-fill the to and from fields if required.
Again if this is for an internal app i.e. Not publicly available "my understanding" of the Google T&C's would forbid this.
Use something like firebug or fiddler to look at the requests that are being sent to Google from javascript you should then beable to build the request using that information and an HTTPWebRequest in .net and retrieve the same information.
HTH
You can calculate the distance of two geographical coordinates (latitude, longitude) using the Great-circle distance algorithm.
Here you can find some other formulas for distance calculation.
Well, you've pretty much identified the key issue, the Gmaps API is a browser resident javascript API and there's not much getting around that. Most of the API is executed in the browser so there's not much network traffic to spy on.
As tsaunders mentions there is a geocoding API call that is restfully accessible, but it only does reverse/geocoding and if you have lat/lng's already you can use the calculations the rms suggested, but they are as tsaunders points out 'as the crow flies' distance.
If indeed you are looking for road taken distance, the API does do routing but you are back in the browser to get the start/end points from the user.
Perhaps you can be a little more specific about what you are trying to do and why you feel this requires you to to access the API from your server. My application for instance has features that gather information from the user and sends requests back to my server to work on, some of that data are processed by the Gmaps API first.
If I were to use a API platform, I certinaly would not use Google as the free one does not include advances Geocoding menaing the accuracy is poor. There is also no sla , support or rights of service.
The directions are poor, the coverage for Ireland and Geocoding is almost childlike and the privacy stinks. No professional business would use a google mapping solution.
They copy everyone else's idea, say they are there own and get loads of press (they only added tube stations in 2006) an dcyclc lanes (2010), viamichelin added these 2006 and Traffic in 2009 !
Any agency or developers looking for an API should stick to Bing or ViaMichelin for better customisation and user experience which is killer !