Overview Twilio Lookup validates phone numbers and provides optional intelligence packages. Basic validation is free; data packages (line type, SIM swap, etc.) are paid per lookup. --- Prerequisites - Twilio account (free trial works for basic lookups) — New to Twilio? See - Environment variables: - - — See for credential setup and best practices - SDK: / --- Quickstart Python Node.js If is , check for the reason. --- Key Patterns Line Type Intelligence (paid) Identifies mobile, landline, VoIP, toll-free, etc. Python Node.js Line types: , , , , , , , , Multiple Packages in One Request Python…