Docs

Container Registry

call method

Public parameters

Public request parameters are required for every API interface. Developers must include these parameters every time they send a request using the Volcano Engine OpenAPI. Otherwise, the request will fail. The first letters of common request parameters are all capitalized to distinguish them from other request parameters.

Action and Version

warning

Action and Version must be placed in the Query.

Name	Type	Required	Parameter Format	Description
Action	String	Yes	[a-zA-Z]+	The name of the interface, specific to the interface being called.
Version	String	Yes	YYYY-MM-DD	The version information of the interface, specific to the interface being called.
X-Expires	Int	None	300	The validity period of the signature, measured in seconds. The default value is 900 seconds if not specified.

Signature parameters

tip

The signature parameters are an essential part of the request, which can be placed either in the Header or the Query section of the request.

Name	Type	Required	Description
X-Date	String	Yes	The UTC time is used, accurate to the second. Format following the ISO 8601 standard: YYYYMMDD'T'HHMMSS'Z', for example: 20201103T104027Z.
Authorization	String	Yes	The credential used to verify the legality of the request. Format: HMAC-SHA256 Credential={AccessKey}/{ShortDate}/{Region}/{Service}/request, SignedHeaders={SignedHeaders}, Signature={Signature}.

Meaning of the information in Authorization:

Name	Type	Description
AccessKey	String	The Access Key ID of the request.
ShortDate	String	The short date of the request, accurate to the day. The UTC time is used, e.g., 20180201.
Region Code	String	The requested Region, for example, North China 2 (Beijing), corresponds to cn-beijing. tip For more Region information, see Region and Availability Zone.
Service	String	The requested service when calling the VMP service API is: vmp.
SignedHeaders	String	The headers involved in the signature, separated by semicolons (;).
Signature	String	The computed signature. For details on the signature calculation method, see Signature method.

Scenarios in the Query

The information for X-Date and Authorization can be directly included in the Query.

Name	Type	Required	Description
X-Date	String	Yes	The UTC time is used, accurate to the second, e.g., 20201103T104027Z.
X-Algorithm	String	Yes	The fixed value HMAC-SHA256 is used in preparation for future expansion.
X-Credential	String	Yes	It consists of {AccessKey}/{ShortDate}/{Region}/{Service}/request. For detailed explanations of the fields, please refer to the table above.
X-SignedHeaders	String	Yes	The headers involved in the signature, separated by semicolons (;).
X-Signature	String	Yes	The computed signature. To learn about the signature calculation method, see Signature method.

Last updated: 2025.10.24 11:20:42