AWS SDK Version 3 for .NET
API Reference

AWS services or capabilities described in AWS Documentation may vary by region/location. Click Getting Started with Amazon AWS to see specific differences applicable to the China (Beijing) Region.

Detects the key noun phrases found in a batch of documents.


For .NET Core and PCL this operation is only available in asynchronous form. Please refer to BatchDetectKeyPhrasesAsync.

Namespace: Amazon.Comprehend
Assembly: AWSSDK.Comprehend.dll
Version: 3.x.y.z


public abstract BatchDetectKeyPhrasesResponse BatchDetectKeyPhrases(
         BatchDetectKeyPhrasesRequest request
Type: Amazon.Comprehend.Model.BatchDetectKeyPhrasesRequest

Container for the necessary parameters to execute the BatchDetectKeyPhrases service method.

Return Value
The response from the BatchDetectKeyPhrases service method, as returned by Comprehend.


BatchSizeLimitExceededException The number of documents in the request exceeds the limit of 25. Try your request again with fewer documents.
InternalServerException An internal server error occurred. Retry your request.
InvalidRequestException The request is invalid.
TextSizeLimitExceededException The size of the input text exceeds the limit. Use a smaller document.
UnsupportedLanguageException Amazon Comprehend can't process the language of the input text. For all APIs except DetectDominantLanguage, Amazon Comprehend accepts only English or Spanish text. For the DetectDominantLanguage API, Amazon Comprehend detects 100 languages. For a list of languages, see how-languages

Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

See Also