SF Hackathon + In-App Playground + 99 Language Support | August 29, 2025 Newsletter
Discover the latest in speech-to-text and voice AI every week: product feature rollouts, step-by-step tutorials, community events, and security updates to power your projects.
This weekly update contains the latest info on our new product features, tutorials, and our community.
Voice Agents Hackathon in San Francisco
Are you or someone from your team going to be in San Francisco on September 19th? AssemblyAI, LiveKit, and Rime, and Accel are joining forces to host an exclusive, one-day hackathon dedicated to building cutting-edge Voice Agents with our latest technologies.
- Location: Accel Community Space in San Francisco
- Time: September 19th from 9:30 AM – 5:30 PM
- Registration: Sign up now on Luma
Join industry experts and fellow developers to collaborate with like-minded innovators and push the boundaries of voice technology. The winners will receive $1,500 and a featured spot on our blog highlighting your project. Register now and we'll see you in SF!
In-App Playground: The Complete STT Testing Experience
This week, we launched our in-app Playground—an in-browser tool that lets you explore and test AssemblyAI’s Speech-to-Text capabilities with your own API key—no code required. Within your dashboard, you can now access:
- Upload & Test Sample Files – Test instantly with reference audio or your own data
- Full Feature Access – ALD, Speaker Labels, Summarization, PII Redaction, Entity Detection
- Code Generation – Auto-create API snippets for fast handoff to production
- API Response Visibility – Inspect outputs in detail and fine-tune configurations
Ready to test it out? Sign into your dashboard and start exploring the all-new in-app Playground.
Universal available in 99 Languages, Advanced Features, One Price
Universal now supports 99 languages at the same flat rate of $0.27/hour—with automatic language detection for all supported languages, and speaker diarization for 95 of them. Check out our documentation for the complete list of supported languages and implementation examples.
Multi-Factor Authentication Now Live for Enhanced Security
We're excited to announce that Multi-Factor Authentication (MFA) is now available for all AssemblyAI users! This new security feature helps protect your account and sensitive data with an additional layer of verification.
- SMS OTP support for US and Canada phone numbers
- Authenticator app integration (works with 1Password, Google Authenticator, Authy, and more)
- Easy setup process through your account settings
- Enhanced security for all your speech AI workflows
Enable MFA today in your account settings to keep your transcriptions and data secure.
Fresh From Our Blog
The Conversation Intelligence Value Machine: Understanding how to extract maximum value from conversation data is crucial for modern businesses. This deep dive explores the frameworks and strategies for building effective conversation intelligence systems. Read more >>
The Voice AI Stack for Building Agents in 2025: Building AI voice agents requires the right technology stack. Learn about the essential components, from speech recognition to natural language processing, and how to architect scalable voice AI solutions. Read more >>
Building a Call Center Analytics Pipeline with Python: Step-by-step tutorial showing how to create a comprehensive call center analytics system using AssemblyAI's Speech-to-Text API and Python. Perfect for analyzing customer interactions at scale. Read more >>
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