Since I am storing the required data in a metafield for use in the discount function, I discovered that metafields have a 10k character limit. Although JSON supports up to 2M characters, this restriction creates confusion on how to handle larger datasets. For a merchant, I cannot restrict creation b…

Handling Shopify Function Metafield Size Limit

Linda-Shopify September 30, 2025, 7:00pm 2

There is a related community discussion here.

Could you reduce the size by only writing JSON fields with values? Spliting the data across multiple metafields is viable but reducing the overall amount of data would be optimal.

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Handling Shopify Function Metafield Size Limit

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