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RDS for PostgreSQL

RDS for PostgreSQL

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Backup and recovery
DownloadBackup
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DownloadBackup
Call the DownloadBackup API to download a backup.​
Request type​
Asynchronous request.​
Precautions​
  • After calling this API, the preparation for downloading the target backup file is completed. Then, you need to call the GetBackupDownloadLink API to obtain the download link, and finally download the file using that link.​
  • Only downloading logical backups is supported.​
Debug​
API Explorer
You can initiate calls online through API Explorer without paying attention to the signature generation process and quickly obtain the call results.
​
Request parameters​
​
Parameter​
Type​
Required?​
Example​
Description​
InstanceId​
String​
Yes​
postgres-a3e7eb2f****​
Instance ID.​
BackupId​
String​
Yes​
20250512-194654-3836LI​
ID of the logical backup to download​
​
Response parameter​
null​
Sample​
Sample request​
​
POST /?Action=DownloadBackup&Version=2022-01-01 HTTP/1.1​
Content-Type: application/json​
Host: rds-postgresql.cn-beijing.volcengineapi.com​
X-Date: 20231002T101010Z​
Authorization: HMAC-SHA256 Credential=AKLTN2I0MmFiNzMxNWE5NDgzMzk4MmVjMTVkODlkZTZ****/20211202/cn-beijing/rds_postgresql/request,SignedHeaders=x-date, Signature=71d31fc7bcf990142851c9833c5656391486cda0ae2e0b8ada733b7c6458****​
{​
"InstanceId": "postgres-a3e7eb2f****",​
"BackupId": "20250512-194654-3836LI"​
}​
​
Sample response​
​
{​
"ResponseMetadata": {​
"RequestId": "20250512220201C4DF75445E6A5077C0C9-02b7b8",​
"Action": "DownloadBackup",​
"Version": "2022-01-01",​
"Service": "rds_postgresql",​
"Region": "cn-beijing"​
},​
"Result": null​
}​
​
Last updated: 2026.03.31 10:45:19