Governed Voice AI is its own category. Voice is the way in. The wedge is what runs on top of it: Article 50 disclosure enforced at runtime on every call, real-time brand governance that catches a wrong price before the caller hears it, and a tamper-evident receipt that proves what was said. Talking is table stakes. Proving it is the product.
“Compliant” is what every competitor claims. Governed is what we can show you, call by call.
Four failures kill voice AI deployments. Two regulatory. One financial. One legal. All preventable.
Article 50 takes effect 2 August 2026. Every undisclosed AI call, missing consent record, or unverifiable transcript becomes a per-incident fine — assessed against global revenue. Post-call QA does not qualify as compliance.
Voice agents quote prices, promise discounts, and confirm transactions in real time. When the LLM hallucinates a 40% discount, it is not a bug — it is a binding offer. Your CFO will hear about it. So will the plaintiff.
Retell advertises $0.07/min. Stack telephony, STT, LLM, TTS, concurrency slots, and knowledge bases and the all-in cost climbs fast — an illustrative blended estimate lands around $0.25–0.33/min depending on your model and volume mix. We call it the Stack Tax: the gap between the price on the landing page and what actually hits your invoice.
Your voice agent confirms a 40% discount that doesn't exist. Air Canada already lost this case (CRT ruling, Feb 2024) — the chatbot's promise was ruled a binding offer. Real-world ungoverned-AI incidents like this, Chevrolet's $1 Tahoe and the DPD chatbot, show the exposure — these are illustrative, not Audact customers. Retell's ToS includes a class-action waiver. Vapi disclaims all liability. Neither protects you. The agency is the weakest link.
Paste a call transcript. Get an Article 50 gap report with a compliance score from 0 to 100. White-label ready. Free. No signup required. Powered by the same engine that runs on every Audact call.
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If the governance engine misses something it should have caught, we credit your account. Available day-one for all paying customers, on governed conversations within scope of active policy packs.
Account service-credits only — not insurance, and not cover for third-party, regulatory-fine or end-customer damages. Applies to governance-engine misses. See the Trust Center for full scope.
Blocked pre-dispatch — we credit your account if the engine lets one through
Enforced and provable on every call
Governance engine catches it pre-TTS
Brand rules enforced before audio reaches the caller
They do. So here is the cleanest way to tell the difference. Most platforms answer compliance withprocess— a promise to scrub a Do-Not-Call list, a post-call QA review, an indemnity clause in the terms of service. Audact answers it withproof: every call produces a tamper-evident receipt showing the disclosure actually played and nothing off-script was said.
Process — a promise
A pledge to scrub a Do-Not-Call list. A QA review after the call has already happened. An indemnity clause that shifts blame on paper. All of it describes whatshouldhave happened. None of it can show a regulator, on a specific call, that it did.
Proof — a receipt
A signed, tamper-evident receipt for the call: the Article 50 disclosure played, the words spoken stayed inside approved policy, no unauthorised price or promise reached the caller. Your client’s DPO can open it and verify it — exportable in under a minute.
A promise and a receipt are not the same thing. When something goes wrong, the promise is an argument. The receipt is evidence. See a sample receipt.
Three tiers hiding behind one “voice AI” label. Only one was built to hand a regulated agency the proof a regulator can verify.
Tier 1 · Developer-infra
Retell, Vapi
APIs for developers. No agency tooling. Wrappers needed to serve agency-customers — multi-tenant, sub-accounts and white-label are not part of the core product.
Tier 2 · Wrappers
VapiWrap, Voicerr, Vapify, Trillet, Convocore, Pulsy
Try to bridge developer-infra to agency-customers. Built on top of Retell or Vapi, so they inherit the upstream compliance gap and pricing surface — plus brand-leak risk and a hard dependency on the underlying API.
Tier 3 · Agency-native
Synthflow, Audact
Built from scratch for agency-customers. Native white-label, sub-accounts and multi-tenant from day one. Audact adds the two things Synthflow cannot: Article 50 disclosure enforced at runtime on every call, and real-time brand governance that catches a wrong price or off-script promise before the caller hears it — each one producing a signed, verifiable receipt.
Audact is Tier 3.We match Synthflow on agency-native tooling — true white-label, sub-accounts, transparent per-minute pricing — and add two things they cannot: Article 50 disclosure enforced at runtime on every call, and real-time brand governance that validates pricing and promises before the AI speaks. Both produce a cryptographic, tamper-evident receipt your client’s DPO can independently inspect — exportable in under a minute. Backed by 44 patent-pending families filed at the UK IPO.
Article 50 enforced from the first call. Sales-led intake — our engineering team configures your first compliant agent and places your first governed test call the same day.
