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ChatGPT Auth V2
Let users log in with ChatGPT and use AI on their own plan
ChatGPT Auth V2 is a production-grade TypeScript SDK allowing users to authenticate with their personal ChatGPT subscription and run AI requests inside your application—with zero developer API fees. This complete ground-up rewrite features multi-database persistent session adapters (Postgres, Redis, SQLite), automated token token-refresh timeout guards, and a robust security architecture (CSP headers, AES-GCM encryption, __Host- cookies) engineered to shield your applications at scale.
Hey everyone!
I built ChatGPT Auth because the current financial model for building AI apps is fundamentally broken. Right now, developers face a brutal choice: either swallow massive OpenAI API bills for heavy user interactions, or force users to manage complex API keys, killing the onboarding user experience.
Meanwhile, millions of consumers happily pay $20/month for ChatGPT Plus. They have access to top-tier models, but that utility is stuck inside OpenAI’s standard interface. I wanted a framework-agnostic, drop-in SDK that bridges this divide cleanly.
This version (V2) transitions the project from a raw proof-of-concept into a resilient, enterprise-ready infrastructure block. By reverse-engineering the secure device-code OAuth flow and Codex transport protocols, the SDK safely handles authentication entirely on the client’s own billing plan.
To make real-world deployment seamless, V2 introduces:
- Production Security: Hardened CSP configurations, origin validation, and AES-GCM encryption at rest.
- Persistent Session Adapters: Plug-and-play storage layers for PostgreSQL, Redis, and SQLite.
- Seamless Streaming: Deep integration with the Vercel AI SDK to stream text and progressive WebP images smoothly.
The entire project is 100% open source (MIT license) and fully optimized for Bun 1.3+ and Node runtimes. I’m incredibly excited to see how this changes the margins for your software projects, and I look forward to your architecture feedback!
About ChatGPT Auth V2 on Product Hunt
“Let users log in with ChatGPT and use AI on their own plan”
ChatGPT Auth V2 was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #26 on the daily leaderboard. ChatGPT Auth V2 is a production-grade TypeScript SDK allowing users to authenticate with their personal ChatGPT subscription and run AI requests inside your application—with zero developer API fees. This complete ground-up rewrite features multi-database persistent session adapters (Postgres, Redis, SQLite), automated token token-refresh timeout guards, and a robust security architecture (CSP headers, AES-GCM encryption, __Host- cookies) engineered to shield your applications at scale.
On the analytics side, ChatGPT Auth V2 competes within Open Source, Developer Tools and GitHub — topics that collectively have 629.2k followers on Product Hunt. The dashboard above tracks how ChatGPT Auth V2 performed against the three products that launched closest to it on the same day.
Who hunted ChatGPT Auth V2?
ChatGPT Auth V2 was hunted by Hardik Kawale. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of ChatGPT Auth V2 including community comment highlights and product details, visit the product overview.
Hardik Kawale