Did you ever find a solution to this? I am also searching for the same question
Topic summary
A user is attempting to modify order line item properties through GraphQL or REST API but cannot find appropriate mutations to accomplish this task.
Current limitation identified:
- Existing API documentation only shows how to edit line item quantities, not custom properties
- The user references Shopify’s order editing documentation but finds it insufficient for their needs
Specific question:
How to change line item properties or other order properties beyond quantity?
Status:
The discussion remains unresolved. A second user has encountered the identical issue and is also searching for a solution, indicating this may be a common limitation or gap in the current API capabilities.