Karan Goyal
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Shopify Development

Shopify's JSON Metafield 128KB Cap: What Developers Need to Know

K
Karan Goyal
--5 min read

Shopify caps JSON metafield writes at 128KB starting April 2026. Existing apps are grandfathered at 2MB. Here's how to audit and migrate.

Shopify's JSON Metafield 128KB Cap: What Developers Need to Know

Starting with API version 2026-04 (April 1, 2026), Shopify is capping JSON metafield writes at 128KB.

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#shopify#shopify#metafields#metafields#api#api#json#json#migration#migration#performance#performance

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