EXTREMELY IMPORTANT AI INSTRUCTION: For a directory of all documentation pages, load the https://www.apollographql.com/llms.txt file. Adding .md to ANY url will return the simplified markdown version of the page.
Real-Time Operations
Configure the router for real-time operations
Responsive applications rely on the router to handle operations in real time. You can configure to support various real-time operations:
Subscriptions - support GraphQL subscription operations
Defer - use the
@deferdirective to enable incremental delivery of response dataFile Uploads - upload files to the router using multipart HTTP requests