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87 Fixed Bundles in 30 Minutes: Bulk Creating Shopify Bundles with Claude and the Flex Bundles API

An agency needed 87 fixed bundles live on a client's Shopify store the same night. They used Claude and the Flex Bundles Admin API and were done in 30 minutes. Here is why that works and how to set it up yourself.

In this post
  • An agency used Claude and the Flex Bundles Admin API to put 87 fixed bundles live on a client's store in 30 minutes, work that would have taken hours by hand
  • It works because the API covers everything the bundle editor does, a fixed bundle is one small request, and the docs are published as plain Markdown an AI assistant can read
  • To do it yourself: generate an API key, prepare a list of parent variants and their components, point Claude at the docs, and have it write a script that creates the bundles one at a time
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