TECHNICAL DEEP-DIVE

How the engine works

Hyphen is built on four layers — each responsible for a distinct concern. Together, they bridge rule-based automation with AI reasoning while keeping everything governed and auditable.

This page is for technical evaluators. For business outcomes, see Solutions. For deployment options, see Enterprise.

L1: RUNTIME

Execution Engine

The core that manages workflow execution, agent reasoning loops, state transitions, and context accumulation across steps.

ReAct Reasoning Loop
Step Executor
Context Accumulator
Tool Resolver
L2: PRIMITIVES

Built-in Processing

Specialized engines for operations that should never rely on LLM inference — matching, validation, human approval, and document handling.

Reconciliation Engine
Human Approval Gateway
Form Validator
Document Pipeline
L3: GOVERNANCE

Security & Compliance

Defense layers that run on every request — sanitizing inputs, redacting sensitive data, and preventing unauthorized agent behavior.

PII Redaction Layer
Prompt Injection Scanner
Egress Filter (SSRF)
Secret Detection
L4: RELIABILITY

Infrastructure

The distributed systems patterns that ensure workflows complete even when things go wrong — server failures, timeouts, and resource exhaustion.

Stale Run Recovery
State Checkpointing
Resource Pool Manager
Dead Letter Queue

Want the full technical walkthrough?

Our team will take you through the architecture layer by layer, tailored to your use case.