SubLane – Lightweight subscription sharing gateway for small teams

Minimal gateway for 4-person teams to share API subscriptions, all in one Docker container

Problem

Small teams (~4 people) sharing ChatGPT/Claude subscriptions use heavy gateways like sub2api, which require maintaining Postgres and Redis, are painful to migrate, and hard to troubleshoot. A V2EX user built SubLane themselves, proving this is a real pain point.

Solution

A lightweight API gateway that connects subscription accounts, issues individual keys per member, and tracks usage. All data in-process SQLite, no external dependencies, one Docker container deployment, backup is just backing up the data volume.

Users

Small dev teams (2-10 people), families, friends sharing subscriptions.

MVP

Support OpenAI/Anthropic subscriptions; generate member keys; usage dashboard; SQLite storage; single Docker image; backup/restore script.

Revenue

Open-source core + paid pro version (multi-node sync, advanced reports, SSO), or hosted SaaS per-seat subscription.

Why now

Small team AI subscription sharing is increasingly common, but existing solutions are too heavy; a lightweight alternative has a clear market. Indie developers can build it quickly in Go.