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Build Better Backend Services with AI

From Line0 to your first endpoint in seconds

The First AI Pair Programmer for Backend Development

Generate production-ready backend services in minutes not weeks.
More backend frameworks and languages will be supported in the future
Build in natural language
Describe the backend functionality you want in natural language and let Line0 handle the rest.
Just Tab to prompt
Forget about prompt engineering. Press tab to autocomplete as you type or use "Enhance" to instruct Line0 like a pro.
Edit code
Edit your full project code directly in the Line0 code editor.
Split features into chats
Build each feature in a separate chat to help Line0 produce better results and organize your project.

2-way Sync with GitHub

Connect your GitHub account to seamlessly sync and store your generated code directly in your repositories.
Line0 Mark
Peace of mind
Code is automatically synced to your GitHub repo, and Line0 pulls changes after each commit, keeping your codebases in sync.
Pick your branch
Choose a dedicated working branch for each project to maintain a clean git history.
Import existing projects
Connect existing repos to Line0 and build faster with our AI pair programmer.
Coming Soon

Built-in API Client

Test newly generated APIs directly in the browser. Hot-reloads with every update. No setup. No context switching.
Zero Setup
Start testing your API immediately - no Postman, curl, or configs required.
Hot Reloads
Any new backend code generated by Line0 is instantly loaded into the API client. No manual refresh needed.
Live DB Preview
The client auto-provisions a database for each service so you can test with actual data models.
Body
Headers
Response
POST /api/users
{ "name": "Jane", "email": "jane@gmail.com" }
Hot-reloading enabled: every code update instantly syncs here.

Plans and Pricing

Simple pricing options that fit all your use cases.
Monthly
AnnualSaving 15%

Free

Good for getting started

$0
/ month
  • Daily message limits
  • Create up to 10 public projects
  • Sync with GitHub
  • In-browser code editing
Recommended

Plus

Monthly limits & private projects

$17
/ month + local tax
Billed yearly
  • 150 messages / month
  • Unlimited private projects & chats
  • Import from GitHub
  • Opt out of training
  • Email support

Pro

For power users

$170
/ month + local tax
Billed yearly
  • Everything in Plus
  • 2000 messages / month
  • Priority during busy periods

Frequently Asked Questions

Have questions? We have the answers.

The future of backend. Available today.

START BUILDING