API Overview

The OSM open APIs to partners who operate HUAWEI CLOUD services so that the partners' systems can submit service tickets to HUAWEI CLOUD after-sales service team who can assist them in solving problems.

**Table 1** OSM APIs
Type	Description
Creating a Service Ticket	Users can submit a service ticket when encountering problems or in need of help during use of HUAWEI CLOUD products.
Querying Service Ticket List	Users query the list of submitted HUAWEI CLOUD service tickets.
Querying Service Ticket Details	Users query details of a submitted HUAWEI CLOUD service ticket.
Uploading an Attachment	Users can upload attachments such as screenshots when submitting a service ticket.
Downloading an Attachment	Users can download and view the uploaded attachments in the service ticket details.
Deleting an Attachment	Before creating a service ticket or adding a message, users can delete the attachments that are incorrectly uploaded and upload new attachments.
Adding a Message	Users can add messages on the service ticket details page, for example, adding confidential information, providing information required for the customer service to handle the problem, or asking about the service ticket handling progress.
Service Evaluation	After the service ticket processing is complete, users can evaluate the service and submit comments.
Service Ticket Operations	Users can perform some operations on service tickets, such as urging, deleting, closing, and canceling service tickets.
Querying Service Ticket Related Product	When submitting a service ticket, users can select the product type related to their problem.
Querying Service Ticket Problem Type	Users can select the problem type when creating a service ticket.
Querying Templates	When submitting a service ticket, users need to enter the required information based on a template.
Querying Regions	When submitting a service ticket, users can select the region.