Hamming
Automated testing and production monitoring platform for voice and chat AI agents with 50+ built-in metrics and compliance support.
At a Glance
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About Hamming
Hamming is the category-leading platform for voice agent quality assurance, providing automated testing and production monitoring for AI-powered voice and chat agents. Built by a team with experience scaling ML systems at Tesla and mission-critical infrastructure at Citizen, Hamming helps teams catch issues before they impact customers through comprehensive pre-launch testing and continuous production monitoring.
The platform enables teams to validate agent behavior across diverse scenarios including accents, background noise, interruptions, and edge cases. With support for 65+ languages and regional accents, Hamming simulates real-world conditions to ensure voice agents perform reliably in production environments.
- Auto-Generated Test Scenarios - AI automatically generates hundreds of test cases from your agent's prompt, covering happy paths, edge cases, and adversarial inputs without manual test case writing
- Production Call Monitoring - Score 100% of production calls automatically with real-time quality scoring, detecting hallucinations, policy violations, and quality degradation as they happen
- 50+ Built-in Metrics - Track latency, hallucinations, sentiment, compliance, turn-taking, and more with detailed component-level breakdowns for STT, LLM, and TTS
- Load Testing at Scale - Run 1,000+ concurrent test calls to stress-test infrastructure and identify breaking points before peak traffic impacts customers
- CI/CD Integration - Trigger tests on every deploy via REST APIs, integrate with GitHub Actions or Jenkins, and block bad prompts from reaching production
- Production Call Replay - Convert any failed production call into a replayable test case with one click, preserving original audio, timing, and caller behavior
- Compliance and Security - SOC 2 Type II certified with HIPAA BAA available, featuring red-teaming for prompt injection, jailbreaks, and PII leakage testing
- Multi-Platform Support - Native integrations with Vapi, Retell, 11Labs, LiveKit, Pipecat, and more with SIP and WebRTC connectivity options
To get started, connect your agent by dialing a SIP number or via WebRTC, paste your prompt or connect via API, and run your first test in under 10 minutes. Hamming auto-generates test suites and provides detailed reports with call recordings, transcripts, and metrics for comprehensive voice agent QA.

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Pricing
Startup
Startup-friendly pricing from a YC S24 company for early-stage teams
- Automated AI voice agent testing
- Automated call analytics
- Trust and safety reports
- Custom scoring templates
- 7 days-a-week support
- Direct support from founders
Agency
For agencies managing multiple AI voice agents projects
- Automated AI voice agent testing
- Automated call analytics
- Trust and safety reports
- Multi-client management
- Priority support
- Custom scoring templates
Enterprise
For enterprise organizations that need full control and dedicated hands-on support
- Everything in Startup plan
- SOC-2 & HIPAA compliance
- Support SLAs
- Dedicated support engineer
Capabilities
Key Features
- Auto-generated test scenarios from agent prompts
- Production call monitoring and analytics
- 50+ built-in evaluation metrics
- 1000+ concurrent call load testing
- 65+ language and accent support
- CI/CD pipeline integration
- Production call replay and regression testing
- Red-teaming for security vulnerabilities
- Custom evaluation metrics
- Real-time alerts via Slack and webhooks
- DTMF and IVR emulation
- Detailed PDF test reports
- Speech-level analysis beyond transcripts
- OpenTelemetry observability integration
- Role-based access control