APIs & reference apps

Build modular app experiences faster.

Venny I/O gives each reference app a clean cartridge pattern, a predictable API contract, and a shared runtime for product teams that need to move quickly without losing structure.

View Reference Apps View API Documentation

ChatioNotioVenny I/O

Search public profiles

Open a direct thread

Send a message

Archive when done

GET /chat/threads
POST /threads/find-or-create-direct
GET /posts?active=1&status=active

Reference Apps

Two working patterns. One shared shell.

Start with Chatio for chat and Notio for notes. Both are intentionally small enough to read, deploy, and extend.

Chatio

Search public profiles, load known friends, open threads, send messages, mark messages read, and archive threads.

Open Chatio →

Notio

Create, update, list, and archive notes with a clean posts cartridge reference experience.

Open Notio →

Designed for practical cartridge development.

Use the reference apps as working examples for authentication, scoped reads, soft deletes, API-driven screens, and deployable frontend shells.

Shared RuntimeOne app shell, clear route ownership.

API FirstFrontend behavior follows the Postman contract.

DeployableHeroku-ready with static asset checks.

ExtensibleSmall enough to fork for the next app.