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Stack

Developer Portal Stack

The API documentation and onboarding platform your developers deserve

Give developers an exceptional experience from day one. API reference, guides, sandbox environment, and AI assistant — all in a polished, branded developer portal.

Stack Platform Architecture

Unified five-layer system fabric: client surfaces, dynamic routing, sandbox execution, persistent state, and governance.

HANZO UNIFIED SYSTEM FABRICONE PROCESS · 60 SUBSYSTEMS01 INTERFACE LAYERClient surfaces & protocol ingressAutonomous DevZen Real-time VoiceMCP Tool ProtocolCLI & TypeScript SDK02 INTELLIGENCE MESHDynamic router & model gatewayEnso Ultra (98.0% GPQA)$25 / MTok · Frontier ReasoningEnso Standard (96.0%)$20 / MTok · Adaptive DispatchEnso Flash (92.9% GPQA)$4 / MTok · 6× Cost Efficiency03 RUNTIME PLANEAgent state & isolated sandboxes107 ns Hot Wake477 bytes RAM per agentMicroVM SandboxesRootless POSIX executionBare-Metal GPU ClusterGB10 / H100 / B200 NVLink04 DATA & MEMORYPersistent state & knowledge graphsHanzo BasePostgres + pgvectorDatastoreOLAP distributed analyticsS3 Object StoreArtifacts & model weightsLoCoMo ContextMulti-hop recall (80.7)05 TRUST & GOVERNANCEHanzo IAM (hanzo.id OIDC) · KMS Hardware HSM · Immutable Audit Ledger

What's included

Everything you need, pre-integrated and production-ready.

AI Documentation Assistant

Developers ask questions in natural language and get instant, accurate answers from your docs.

Interactive API Explorer

Test any endpoint directly in the browser with your own credentials. OpenAPI 3.x rendering.

SDK Generation

Auto-generate SDKs in TypeScript, Python, Go, Rust, and Java from your OpenAPI spec.

Sandbox Environment

Isolated sandbox with mock data and test credentials. Onboard developers without risk.

Changelog & Versioning

Structured changelog with diff views. Support multiple API versions side by side.

Analytics

Track which docs pages developers visit, where they get stuck, and what they search for.

Use cases

Real workloads, real teams, real impact.

  • API-first companies
  • Platform businesses
  • Enterprise software vendors
  • Developer tools startups

Start building today

Get up and running in minutes. Our documentation covers everything from quick start to production deployment.

Also available on

AWS MarketplaceAzure MarketplaceGCP Marketplace

Enterprise ready

Deploy with confidence

Continual internal audits, a full audit trail, and your own tenancy. Custom SLA and dedicated support engineers on Enterprise.