Top Architect
Dec 29, 2020 · Backend Development
Migrating OkCupid from REST to GraphQL: Process, Lessons, and Outcomes
The article details OkCupid’s year‑and‑a‑half migration from a REST API to a production GraphQL API, describing the four‑step process—page selection, schema construction, shadow requests, and A/B testing—along with lessons learned about error handling, business‑logic placement, and performance monitoring.
A/B testingAPI MigrationApollo Server
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