---
title: Checksums
framework: appstoreconnectapi
role: symbol
role_heading: Object
path: appstoreconnectapi/checksums
---

# Checksums

A collection of integrity checksums for a background asset upload file, used to verify successful delivery.

## Declaration

```data
object Checksums
```

## Properties

composite: file:

## Mentioned in

App Store Connect API 4.1 release notes

## Topics

### Dictionaries

- [Checksums.Composite](appstoreconnectapi/checksums/composite-data.dictionary.md)
- [Checksums.File](appstoreconnectapi/checksums/file-data.dictionary.md)

## See Also

### Objects

- [AppBackgroundAssetsLinkagesResponse](appstoreconnectapi/appbackgroundassetslinkagesresponse.md)
- [BackgroundAsset](appstoreconnectapi/backgroundasset.md)
- [BackgroundAssetCreateRequest](appstoreconnectapi/backgroundassetcreaterequest.md)
- [BackgroundAssetResponse](appstoreconnectapi/backgroundassetresponse.md)
- [BackgroundAssetsResponse](appstoreconnectapi/backgroundassetsresponse.md)
- [BackgroundAssetUploadFile](appstoreconnectapi/backgroundassetuploadfile.md)
- [BackgroundAssetUploadFileCreateRequest](appstoreconnectapi/backgroundassetuploadfilecreaterequest.md)
- [BackgroundAssetUploadFileResponse](appstoreconnectapi/backgroundassetuploadfileresponse.md)
- [BackgroundAssetUploadFilesResponse](appstoreconnectapi/backgroundassetuploadfilesresponse.md)
- [BackgroundAssetUploadFileUpdateRequest](appstoreconnectapi/backgroundassetuploadfileupdaterequest.md)
- [BackgroundAssetVersion](appstoreconnectapi/backgroundassetversion.md)
- [BackgroundAssetVersionAppStoreRelease](appstoreconnectapi/backgroundassetversionappstorerelease.md)
- [BackgroundAssetVersionAppStoreReleaseResponse](appstoreconnectapi/backgroundassetversionappstorereleaseresponse.md)
- [BackgroundAssetVersionAppStoreReleaseState](appstoreconnectapi/backgroundassetversionappstorereleasestate.md)
- [BackgroundAssetVersionBackgroundAssetUploadFilesLinkagesResponse](appstoreconnectapi/backgroundassetversionbackgroundassetuploadfileslinkagesresponse.md)