Hamming
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Hamming x Retell partnership.

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About Retell

Retell AI is a platform for building production-ready voice AI agents, used by leading companies to run their call operations.

For example, Spare uses Retell to handle 6x more calls than its IVR system did, and Respaid uses Retell to reduce human support calls by 82%.

About Hamming

Hamming is an enterprise platform for testing and evaluating AI voice agents. Its founders are ex-Meta and Google engineers with backgrounds in AI, machine learning infrastructure, and speech recognition. Companies like Maven AGI and PurpleFish AI use Hamming to test and monitor the voice agents behind products that drive millions in revenue.

  • Test Retell agents before they reach customers

    Hamming helps teams run realistic Retell agent tests, review transcripts, measure latency, and catch failures before they affect live callers.

1,000s

test calls at once

Your agent

built on Retell

  • Pass or fail on every call
  • Each failure becomes a test
Fig. 1 · Automated voice agent testing