Why Facebook Built GraphQL: Over-fetching, N+1 and HTTP 200 Errors Explained Apex_Imperium November 2, 2026 Leave a Comment on Why Facebook Built GraphQL: Over-fetching, N+1 and HTTP 200 Errors Explained Posted in Seen Them Share: XFacebookPinterestLinkedin GraphQL Explained | REST vs GraphQL | System Design for Beginners In 2012, Facebook faced a major problem: its mobile app … source Author: Apex_Imperium