A practical GPT‑4 API guide to Structured Outputs: enforce JSON Schemas via Responses and Chat Completions, with code, streaming, and production tips.
Hands-on gRPC streaming tutorial: server, client, and bidirectional streams with Go and Python, plus proto design, flow control, deadlines, security, and testing.
Step-by-step LlamaIndex RAG tutorial: ingestion, indexing, reranking, citations, persistence, evaluation, and deployment with a FastAPI service.
Hands-on Pinecone API tutorial: create serverless indexes, upsert vectors, filter metadata, and run semantic + hybrid search in Python & Node (2026).
Build a production-ready LangChain API: LCEL chains, LangServe, FastAPI streaming, RAG, structured outputs, testing, and deployment tips.
