Build on legacy systems
in days, not months
An agentic integration layer that learns your enterprise ontology, handles breaking changes automatically, and lets you ship zero-risk prototypes in minutes.
One layer. Every system.
Stop reimplementing integrations—build once on the digital twin
ERP Systems
CRM Platforms
TMS Solutions
Legacy Systems
Custom APIs
Digital Twin
Minimal & Lossless
AI Agents
ERP Implementers
SaaS Companies
System Integrators
Internal Teams
01
Learn Ontology
Automatically understand your unique data models, business rules, and system dependencies
02
Build Digital Twin
Create the simplest unified model—safe for prototyping, ready for production
03
Handle Changes
Automatically absorb API updates and breaking changes—your code keeps working
Innovation shouldn’t wait for integration
The cost of building on legacy systems has exploded. We’re bringing it back down.
Minutes
To prototype on any system
Days
To ship production integrations
Zero
Risk to existing workflows
Stop reimplementing. Start building.
See how EntrAPI can accelerate your next enterprise integration