# CreateBackup
Creates a backup for an existing table.
Each time you create an on-demand backup, the entire table data is backed up. There is no limit to the number of on-demand backups that can be taken.
When you create an on-demand backup, a time marker of the request is cataloged, and the backup is created asynchronously, by applying all changes until the time of the request to the last full table snapshot. Backup requests are processed instantaneously and become available for restore within minutes.
You can call `CreateBackup` at a maximum rate of 50 times per second.
All backups in DynamoDB work without consuming any provisioned throughput on the table.
If you submit a backup request on 2018-12-14 at 14:25:00, the backup is guaranteed to contain all data committed to the table up to 14:24:00, and data committed after 14:26:00 will not be. The backup might contain data modifications made between 14:24:00 and 14:26:00. On-demand backup does not support causal consistency.
Along with data, the following are also included on the backups:
+ Global secondary indexes (GSIs)
+ Local secondary indexes (LSIs)
+ Streams
+ Provisioned read and write capacity
## Request Syntax
```
{
"BackupName": "string",
"TableName": "string"
}
```
## Request Parameters
The request accepts the following data in JSON format.
**Note**
In the following list, the required parameters are described first.
** [BackupName](#API_CreateBackup_RequestSyntax) **
Specified name for the backup.
Type: String
Length Constraints: Minimum length of 3. Maximum length of 255.
Pattern: `[a-zA-Z0-9_.-]+`
Required: Yes
** [TableName](#API_CreateBackup_RequestSyntax) **
The name of the table. You can also provide the Amazon Resource Name (ARN) of the table in this parameter.
Type: String
Length Constraints: Minimum length of 1. Maximum length of 1024.
Required: Yes
## Response Syntax
```
{
"BackupDetails": {
"BackupArn": "string",
"BackupCreationDateTime": number,
"BackupExpiryDateTime": number,
"BackupName": "string",
"BackupSizeBytes": number,
"BackupStatus": "string",
"BackupType": "string"
}
}
```
## Response Elements
If the action is successful, the service sends back an HTTP 200 response.
The following data is returned in JSON format by the service.
** [BackupDetails](#API_CreateBackup_ResponseSyntax) **
Contains the details of the backup created for the table.
Type: [BackupDetails](API_BackupDetails.md) object
## Errors
For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).
** BackupInUseException **
There is another ongoing conflicting backup control plane operation on the table. The backup is either being created, deleted or restored to a table.
HTTP Status Code: 400
** ContinuousBackupsUnavailableException **
Backups have not yet been enabled for this table.
HTTP Status Code: 400
** InternalServerError **
An error occurred on the server side.
** message **
The server encountered an internal error trying to fulfill the request.
HTTP Status Code: 500
** LimitExceededException **
There is no limit to the number of daily on-demand backups that can be taken.
For most purposes, up to 500 simultaneous table operations are allowed per account. These operations include `CreateTable`, `UpdateTable`, `DeleteTable`,`UpdateTimeToLive`, `RestoreTableFromBackup`, and `RestoreTableToPointInTime`.
When you are creating a table with one or more secondary indexes, you can have up to 250 such requests running at a time. However, if the table or index specifications are complex, then DynamoDB might temporarily reduce the number of concurrent operations.
When importing into DynamoDB, up to 50 simultaneous import table operations are allowed per account.
There is a soft account quota of 2,500 tables.
GetRecords was called with a value of more than 1000 for the limit request parameter.
More than 2 processes are reading from the same streams shard at the same time. Exceeding this limit may result in request throttling.
** message **
Too many operations for a given subscriber.
HTTP Status Code: 400
** TableInUseException **
A target table with the specified name is either being created or deleted.
HTTP Status Code: 400
** TableNotFoundException **
A source table with the name `TableName` does not currently exist within the subscriber's account or the subscriber is operating in the wrong AWS Region.
HTTP Status Code: 400
## See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following:
+ [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/dynamodb-2012-08-10/CreateBackup)
+ [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/dynamodb-2012-08-10/CreateBackup)
+ [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/dynamodb-2012-08-10/CreateBackup)
+ [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/dynamodb-2012-08-10/CreateBackup)
+ [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/dynamodb-2012-08-10/CreateBackup)
+ [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/dynamodb-2012-08-10/CreateBackup)
+ [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/dynamodb-2012-08-10/CreateBackup)
+ [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/dynamodb-2012-08-10/CreateBackup)
+ [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/dynamodb-2012-08-10/CreateBackup)
+ [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/dynamodb-2012-08-10/CreateBackup)