Changelog

Everything new in the VAPI platform.

v2.4.0

A/B experiments dashboard

Compare prompt, voice, and flow variations side-by-side with statistical significance indicators.

v2.3.0

Self-hosted model connectors

Plug in custom transcription, LLM, and TTS endpoints with automatic failover and latency monitoring.

v2.2.0

Hallucination test suites

Design automated test suites that flag risky responses before agents reach production.

v2.1.0

Analytics exports

Export conversation quality metrics, usage data, and performance dashboards to CSV or webhook.

v2.0.0

VAPI 2.0 launch

Complete platform rewrite with sub-50ms latency, 100+ languages, and unified tool-calling API.