# S3PresignedUrl


You can use presigned URLs to grant time-limited access to objects in Amazon S3 without updating your bucket policy. For more information, see [Working with presigned URLs](https://docs.aws.amazon.com/AmazonS3/latest/userguide/using-presigned-url.html) in the *Amazon S3 User Guide*.

## Contents


 ** headers **   <a name="Social-Type-S3PresignedUrl-headers"></a>
A map of headers and their values. You must specify the `Content-Type` header when using `PostWhatsAppMessageMedia`. For a list of common headers, see [Common Request Headers](https://docs.aws.amazon.com/AmazonS3/latest/API/RESTCommonRequestHeaders.html) in the *Amazon S3 API Reference*   
Type: String to string map  
Required: Yes

 ** url **   <a name="Social-Type-S3PresignedUrl-url"></a>
The presign url to the object.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2000.  
Pattern: `https://(.*)s3(.*).amazonaws.com/(.*)`   
Required: Yes

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/socialmessaging-2024-01-01/S3PresignedUrl) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/socialmessaging-2024-01-01/S3PresignedUrl) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/socialmessaging-2024-01-01/S3PresignedUrl)