Blog - Engineering
Introducing the Cresta CLI: A Developer Surface for an Agent-Operable Platform
AI coding agents are only as good as the surfaces they can reach. Cresta CLI puts the platform in your terminal. Read the blog to understand more!

Part I: Replacing FinServ IVRs with an AI Agent: A 3-Phase Playbook
Learn how financial services teams can replace legacy IVRs with AI agents through a phased approach that improves containment, expands self-service, and reduces deployment risk—while measuring results honestly and building a repeatable cadence for continuous improvement.
Introducing the Cresta CLI: A Developer Surface for an Agent-Operable Platform
AI coding agents are only as good as the surfaces they can reach. Cresta CLI puts the platform in your terminal. Read the blog to understand more!
Why Pay for Every Question Twice? Precomputing Answers for Real-Time RAG
Learn how Cresta’s Precomputed Answer Engine reduces RAG latency with high-confidence answers that adapt to changing customer questions and knowledge base content.
Your Brand, Any Language: The New Frontier of Voice Agent Localization
AI voice agents are turning every customer call into a scalable brand experience. Learn how the right voice can build trust, deliver a consistent identity across languages, and become one of your brand’s most powerful ambassadors.
How the Best AI Agents Keep Getting Better
Improving AI agents takes more than A/B testing a single metric. Learn the experimentation habits that help teams measure real customer impact, avoid misleading wins, and understand what’s actually driving performance in production.
Designing Partnership: How Conductor Works With You, Not For You
What separates a tool you operate from a collaborator you work with lies in the design. That principle is at the heart of Cresta Conductor, our developer-first environment for building, testing, and refining AI agents, which we launched in June.
How Cresta Grades Its Agents: Evaluators in an LLM World
Learn how Cresta evaluates AI Agents at scale using LLM judges, deterministic checks, simulations, and human calibration to catch failures before launch and build trust in high-stakes environments.
Bringing Cresta's AI Agent to Avaya Infinity: Inside a New WebSocket Voice Integration
What makes Avaya's new streaming media integration different, and what we learned putting a voice AI agent on top of it.
Before the Dashboard Knows: Detecting Real-Time Trends in CX Conversations
Get a deep dive into how our newest Insights capability, Real-Time Trends, works in this blog post from the engineering team.
Cresta’s Compass AI: Improving Discoverability in Enterprise Applications
A look at how Cresta reimagined enterprise navigation for an AI-first world: introducing Compass, a new Director experience that uses an AI support agent to help users move across workflows, find relevant context, and take the next step toward their goals.
The Data Comes First: Mining Real Conversations for Test Coverage
Learn how Cresta mines historical data, synthetic customers, knowledge-base Q&A pairs, and post-launch feedback to build test coverage that reflects how customers actually behave.
Evaluating Speech-to-Text Quality: Beyond Word Error Rate
A look at why Word Error Rate alone isn't enough to evaluate speech-to-text quality, and which metrics actually predict downstream AI performance in contact center environments.
The Three Pillars of Voice Integration: Building Hybrid AI Contact Centers That Work With Your Existing Infrastructure
Learn the three pillars of voice integration—and how to connect AI agents to your current systems with speed, flexibility, and confidence.

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