The “One Endpoint” Revolution In the old REST world, if you wanted to scrape a user’s profile, their posts, and their comments, you might have to hit three different endpoints: /users/1, /users/1/posts, and /comments?post_id=5.

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A practical guide to scraping GraphQL APIs by reverse engineering them. Covers identifying GraphQL endpoints via Chrome DevTools, exploiting introspection to discover all available data fields, replicating requests in Ruby with cursor-based pagination, and handling persisted queries. Highlights that introspection is often left enabled in production, potentially exposing more data than the UI displays.

The GraphQL Goldmine: How to Reverse Engineer APIs for Scraping

Step 2: The “Introspection” Cheat Code

Advanced: Defeating “Persisted Queries”