Categories - engineering
2026
Per-Call Logging Context with contextvars
May 10 · 4 min
/health Lies. Add /ready.
May 10 · 3 min
Verifying Twilio Webhook Signatures (and Why You Must)
May 09 · 3 min
White-Labeling an AI Agent with Environment Variables
May 09 · 4 min
Validating LLM Tool Calls with Pydantic v2
May 09 · 4 min
How Ultravox Does RAG over the Phone
May 09 · 4 min
Wiring Phone Calls into Any Workflow with n8n
May 08 · 4 min
Multi-Stage AI Conversations as a State Machine
May 08 · 4 min
Concurrent WebSockets with asyncio.TaskGroup
May 08 · 3 min
μ-law and PCM: Bridging Telephone Audio with Modern AI
May 08 · 3 min