~/talk

Service-to-service GraphQL: The New Sweet Spot!

Talkat GraphQLConf 2026 · on Tuesday, 2026-05-19· at 11:05· Grand Ballroom II - IV· [graphql, microservices]
slides:none on file

Argues that GraphQL works well for service-to-service when you have multiple external and internal clients, federation with resolvers running inside services, and workloads like SDUI or LLM-driven flows that need auth-preserving, field-level fetching. Recommends a single GraphQL schema with auth directives or permission logic to avoid duplicate REST and GraphQL implementations. Shows numbers: 20KB JSON → 2.8KB with ZSTD, Protobuf encodes ~15KB then compresses to ~2.5KB for only a 300 byte advantage for Protobuf when compressed, deserialization times are sub-millisecond (Protobuf in Go fastest). Mentions Simdjson, ZSTD, Argo as practical tools.

AI-written summary · about

  1. 0:00Introduction and context
  2. 1:23Why GraphQL for services
  3. 3:50Use cases for service clients
  4. 6:59Avoiding duplicate APIs
  5. 9:49Single GraphQL definition benefits
  6. 11:35JSON performance myths
  7. 14:45JSON parsing optimization
  8. 17:56Performance trade-offs
  9. 19:00Binary formats for GraphQL
  10. 20:05Conclusion and summary
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