REST API
Create, configure and run agent capabilities from your own product or backend.
Developers
Start with Decibyl’s self-serve product, then go deeper with APIs, MCP, webhooks, custom tools, provider keys and telephony when your product needs more control.
The product stays approachable for everyday users. These controls are here when you want Decibyl inside your own stack.
Create, configure and run agent capabilities from your own product or backend.
Work with Decibyl from compatible AI coding and agent environments.
Start work from events and send outcomes back to the systems that need them.
Expose your own business actions to an agent with the permissions you choose.
Use your own provider credentials where supported instead of being locked to one stack.
Add calling when the job needs a conversation, without making voice the whole architecture.
MCP + APIs
Use natural-language tooling where it helps, or call the platform directly from code.
> Create a supplier research agent.
Every weekday at 8 AM, check our approved sources,
compare changes with what we already know,
and send the summary to the procurement channel.
Tools: web research, documents, messaging
Memory: supplier context + previous decisions
Schedule: weekdays 08:00
Approval: required before any external write
✓ Agent plan ready for review.See the current API and tool reference at docs.decibyl.ai.
When the job needs voice
Choose the speech and model stack where supported, and keep platform cost visible rather than hiding it inside a blended minute rate.
| Platform | Published platform fee |
|---|---|
| Decibyl | $0.02/min |
| Plivo Voice AI Agents | $0.04/min |
| Vapi | $0.05/min |
| Telnyx | $0.05/min |
| Retell AI | $0.07/min |
Each figure read on that vendor’s own public pricing page, 29–30 July 2026.
Build on Decibyl
You should not need developer tooling to get value. It is there when you want to make Decibyl part of your own product or operations stack.