Speech emotion, behavior, and voice deepfake detection API
Tamper-evident audit trail for AI agents with verifiable records
Stage
Established
Not given
Founded
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Not given
Based in
US
GB
Pricing model
Contact for pricing
Freemium
Pricing
Not given
Free: £0, no card required, 1 user, 25,000 live records a month. Solo: £19/month or £190/year, 1 user, 100,000 live records a month (then £5 per 100,000). Team: £49/month or £490/year, unlimited users with roles, 250,000 live records a month (then £5 per 100,000, or £3 above 10 million). Enterprise:
Key features
Emotion recognition from speech
Voice deepfake detection
Speaker attributes analysis
Language-agnostic processing
Real-time processing at enterprise scale
Cloud and on-premises deployment
Behavioral signals combination
Agent-customer matching via PAIR
Custom domain-specific models
Behavioral profiling and recommendations
Agent signs each record with its own Ed25519 key
Service co-signs records and chains them to prevent edits or gaps
Public timestamp bounds each record with hourly verification
Only salted hashes sent to service; inputs and outputs stay on your machine
Open verifier code allows independent verification
Python and TypeScript SDKs for wrapping agent tools
Verification reports in HTML or PDF format with compliance mapping
Compliance packs for EU AI Act, ISO/IEC 42001 and SOC 2
99.5% uptime guarantee on hosted witness in Google Cloud London
What makes it different
Combines acoustic and behavioral cues for broader deepfake detection signal
Language-agnostic detection without per-language model maintenance
Real-time processing suitable for live calls
Custom models built by expert team on same engine
Agent-customer compatibility matching for better call outcomes
Records are verifiable offline and survive service shutdown
Independent co-signature and public time bounds provide proof beyond your control
Content remains private on your machine in hash-only mode
Compliance-ready evidence for regulators and auditors
Behavioral Signals
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