Google shuts down Custom Search JSON API January 1, 2027; developers have 9 months to migrate to third-party SERP providers or Vertex AI as tech giant exits public web search API business.

Google Kills Custom Search API on Jan 1, 2027. You Have 9 Months - The Next Gen Nexus

Reading Time: 12 minutesGoogle Kills Custom Search API on Jan 1, 2027. You Have 9 MonthsWhy CSE matteredThe current CSE JSON shapeOld vs. new: the feature parity matrixCSE quota math (it’s weirder than you think)ArchitectureMigration: the two-line changeCode examplesPython: RAG pipeline migrationcurl: quick one-off searchNode.js: site-scoped marketing site searchPython: pagination for research queriescurl: image searchWorked example: a citation-verification bot for a 20-person legal research t...