Prompt versioning
Every change to your Retell agent prompts is tracked, diff'd, and reversible. Roll back any agent to any prior state in seconds. No more 'what changed after the model update.'
Retell AI × Elacity ECP
Govern every voice agent. At production scale.
Retell is fast. 600ms latency. 40M+ calls a month. Human-quality voice. Fast agents without governance are a liability. ECP is the control plane that sits between your Retell agents and your business — enforcing policy, versioning prompts, auditing every call, and detecting drift before it becomes a breach.
The problem nobody talks about
You've deployed Retell agents at scale. They're booking appointments, routing support, closing leads. Then one call goes sideways — a prompt drifts after a model update, an agent hallucinates a policy that doesn't exist, a compliance auditor asks for call-level logs you can't produce, one of your 50 agents starts behaving differently than the other 49. Retell tells you what happened. Elacity ECP tells you why — and stops it from happening again.
What ECP adds to Retell
Retell handles the voice stack. ECP handles the governance surface.
| Capability | Retell native | With ECP |
|---|---|---|
| Call transcripts & summaries | ||
| Prompt versioning & rollback | ||
| Policy enforcement per agent | ||
| Tool access control (RBAC) | ||
| Cross-agent drift detection | ||
| Immutable audit trail | ||
| HIPAA / SOC 2 governance layer | ||
| Multi-agent orchestration rules |
Call transcripts & summaries
- Retell native
- With ECP
Prompt versioning & rollback
- Retell native
- With ECP
Policy enforcement per agent
- Retell native
- With ECP
Tool access control (RBAC)
- Retell native
- With ECP
Cross-agent drift detection
- Retell native
- With ECP
Immutable audit trail
- Retell native
- With ECP
HIPAA / SOC 2 governance layer
- Retell native
- With ECP
Multi-agent orchestration rules
- Retell native
- With ECP
Where ECP sits in your Retell stack
Your Business Logic
│
▼
┌───────────────────┐
│ Elacity ECP │ ← Prompt registry, policy engine,
│ Control Plane │ drift monitor, audit trail
└───────────────────┘
│
▼
┌───────────────────┐
│ Retell AI │ ← Voice orchestration, STT/TTS,
│ Voice Agents │ telephony, call flows
└───────────────────┘
│
▼
Live Phone CallBuilt for teams running Retell at scale
Policy enforcement
Define rules that gate what Retell agents can say, ask, or offer. ECP enforces them at runtime — not post-call. Guardrails that actually guard.
Tool access control
Retell supports real-time function calling: CRM writes, appointment booking, payment triggers. ECP applies RBAC so only the right agents can call the right tools — with a full log of every invocation.
Drift detection
Running 50 Retell agents? ECP continuously monitors behavioral variance across your fleet. When Agent 12 starts deviating from your baseline, you know before your customer does.
Immutable audit trail
Every prompt version, every policy decision, every tool call — timestamped, signed, and exportable. Pass compliance audits without scrambling.
Multi-agent orchestration
When a single conversation routes between agents — intake, qualification, booking — ECP enforces consistent policy and produces a unified audit record across the handoff chain.
Why now
Retell crossed $40M ARR by giving businesses infinite voice agents. The enterprises deploying those agents at scale — healthcare, insurance, logistics, financial services — are now asking the same question: 'How do we govern 1,000 agents the way we govern 1,000 employees?' That's the Elacity ECP answer.
Get started
Connect ECP to your existing Retell workspace.
Import your current agent configurations.
Set baseline policies and prompt snapshots.
Turn on drift monitoring.
Estimated setup: Less than 1 day to your first governance event
Elacity runs ECP internally across ~1,000 active agents. It's not a demo environment. It's production infrastructure — the same control plane we're offering to Retell customers.
Pricing that scales with you, not against you.
Flat governance capability pricing. Not per agent. Not per call. Not per token.
No per-agent fees. No per-call tax. You scale Retell however Retell scales — ECP stays flat.
Frequently asked questions
Built on the belief that every AI agent needs a paper trail.