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ProjectBlock
Track and cap AI spend per user, team or API key
ProjectBlock meters AI usage in your app and enforces limits before the bill surprises you. Drop the Python SDK in — or the LangChain callback — and get per-user quotas, real-time counters, audit logs and Stripe billing. Built for solo devs and small AI team
Hi Hunters 👋
I'm Saad, I build solo from Italy between factory shifts.
I built ProjectBlock because every AI side project I shipped had the same hole: I could see the OpenAI bill at the end of the month, but I couldn't see who burned it, or stop a single user from burning it. Adding metering meant writing the same Redis counters + audit table + Stripe glue every single time.
So ProjectBlock is that layer as a service: install the Python SDK (or plug the LangChain callback), and you get per-user and per-key counters, hard caps that fire before the call goes out, audit logs, and usage-based Stripe billing.
It's early and I know it. What I'd love from you: tell me where the SDK feels wrong, and what limit logic you actually need (per-team? per-endpoint? soft warnings before hard blocks?). I'm replying to everything today.
— Saad
About ProjectBlock on Product Hunt
“Track and cap AI spend per user, team or API key”
ProjectBlock was submitted on Product Hunt and earned 5 upvotes and 1 comments, placing #76 on the daily leaderboard. ProjectBlock meters AI usage in your app and enforces limits before the bill surprises you. Drop the Python SDK in — or the LangChain callback — and get per-user quotas, real-time counters, audit logs and Stripe billing. Built for solo devs and small AI team
On the analytics side, ProjectBlock competes within SaaS, Developer Tools and Artificial Intelligence — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how ProjectBlock performed against the three products that launched closest to it on the same day.
Who hunted ProjectBlock?
ProjectBlock was hunted by saad kaicar. 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 ProjectBlock including community comment highlights and product details, visit the product overview.
saad kaicar