MKLocalSearch request limit

Question

Created Jul ’24

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I'm a bit unsure about whether there’s a limit on the number of requests when using MKLocalSearch from MapKit. For example, if I have a large user base and need to make 200 requests per minute at peak times, will MapKit be able to handle this? Will the user be throttled after a number of requests? If there is a limit, is it based on the user or developer account? Additionally, if there is a limit, is it per day? Can you clarify?

Just to give you an idea, here is an example of the request we make:

let searchRequest = MKLocalSearch.Request()
searchRequest.naturalLanguageQuery = myQueryStringHere
localSearch?.cancel() // cancel the previous call if it exists
localSearch = MKLocalSearch(request: searchRequest)

localSearch?.start { (response, error) in
            guard error == nil else {
                completion(.failure(.myError))
                return
            }

            let mapSearchLocations = response?.mapItems

            completion(.success(mapSearchLocations))
        }
}

I appreciate your help in advance.

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Answer 1

CMDdev OP

Aug ’24

I used this API a few months ago in a macOS app and yes, it had a rate limit of 50 searches per minute. That means that, after 50 searches are done in less than a minute, you'll have to wait in order to send the next requests (I believe all your other requests within that minute will fail).

I haven't found any mentions of the actual rate limit value in the docs, so you should experiment with it yourself. I believe this might be the error you'll get if you exceed the rate limit.

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