Stop rebuilding the same backend features for every project. Ship your MVP this weekend with production-ready blocks for authentication, users, files, payments, and more.
Every hour you spend on plumbing is an hour you didn't spend shipping.
There's no backend team to hand this off to. You're writing the auth flow at midnight, debugging the upload endpoint before work, and configuring the database on the weekend. Every feature you build for users is a feature you're not building for your product.
Then real people sign up, and your nights stop being about features. They become auth bugs at 3am, uploads that silently stall, a billing edge case that double-charges someone right before they email you angry. Churn from bugs is what actually kills side projects — not lack of ideas.
Auth, uploads, billing — the edge cases were found and fixed in someone else's production before you ever hit them. You get the block, not the debugging session. That's the hour back, every time.
Saturday morning, an idea shows up. Here's where the hours actually go.
Coffee, a notes app, and a feeling this one might work.
Auth, Sales for payments and subscriptions, Content, and Files are wired before lunch. No login screen built from scratch, no payment logic reinvented.
The rest of the weekend goes into the product itself — the part only you can build.
Real signups, a working paywall, two days after the idea showed up.
Either way, you win. If it takes off, the backend already scales and your nights stay free for features, not 3am auth bugs. If it flops, almost nothing was sunk — which means you can afford to try the next idea. Ship ten experiments a year instead of two.
Work smarter, not harder. Deliver more value with less code.
Skip months of boilerplate. Get authentication, users, files, and more ready in minutes, not weeks.
Every block is battle-tested and secure. No more worrying about security vulnerabilities or scaling issues.
Start with our generous free tier. No credit card required. Only pay when you scale.
Clean REST APIs with SDKs for your favorite language. Designed by developers, for developers.
Get your first API call working in under 5 minutes. Plug in and start building immediately.
Stop rebuilding the wheel. Spend your time on what makes your project unique.
As a solo developer, you want to focus on building, not managing infrastructure. Our Shared Cloud deployment is designed exactly for you.
Start Free
You are hereShared Cloud, free tier, instant setup
Scale Up
Upgrade to paid plans as you grow
Go Enterprise
Move to Dedicated or Self-Hosted when ready
No lock-in: When your project grows, you can seamlessly upgrade to Dedicated Cloud or even Self-Hosted deployment. Your code stays the same.
No lengthy setup. No configuration hell. Just plug in and start building.
Sign up in 30 seconds. No credit card required.
Copy your API keys from the dashboard.
npm install or add our CDN script.
Make your first API call and go!
import { BlocksClient } from '@23blocks/sdk';
const client = new BlocksClient('your-api-key');
// Create a user - that's it!
const user = await client.auth.signUp({
email: 'developer@example.com',
password: 'secure-password'
});
console.log('User created:', user.id);Whether you're building a weekend side project or a client app, 23blocks has you covered.
Launch your side project idea before Monday
Deliver faster and impress with professional features
Build your subscription app on solid foundation
Power your iOS or Android app with a real backend
Ship a complete product in 48 hours
Build impressive projects that stand out
Every block you need to build a complete app, without writing boilerplate code.
It can, and it should — that's a great use of AI. But who's on call when it breaks? You are. Your AI learned auth from the same tutorials that produce the same bugs. Blocks mean somebody already debugged your 3am.
Vibe-code your product. Don't vibe-code your auth.
Read the full honest answerJoin thousands of solo developers who are already building faster with 23blocks. Start free, no credit card required.
Get product updates, engineering posts, and new block announcements delivered to your inbox.