Not another AI tool. Stop Production Bugs.

🚀 Free forever · No credit card required

Stop production bugs before customers find them

AI that writes tests for you → AI that protects your revenue.

Every UNTESTED CODE is a bug waiting to hit production.

Paste your code, API spec, or requirements. Get complete, runnable test suites in seconds — so your team ships fast and ships safe. 15+ languages, 50+ frameworks.

🛡 Zero customer-facing regressions ⚡ 3-second generation 🎯 100% code coverage 📉 40% less time on testing

Catch Your First Bug Free →

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View Demo See how it works

Built for your team.

Developers, QA engineers, fintech, healthtech, crypto, payments — see exactly how Vellix plugs into how you already work.

👨‍💻 Developers🧪 QA Engineers 📋 Product Managers💳 Fintech 🛡️ Security₿ Crypto 🏥 Healthtech💸 Payments 📈 Wealthtech✈️ Traveltech 🏦 InsureTech☁️ SaaS

Explore Use Cases →

The cost of skipping tests

A production bug costs 100× more to fix than a test that catches it first. Here's the difference Vellix makes.

WITHOUT VELLIX

The old way (hours)

Write tests manually, line by line
Research framework syntax each time
Miss edge cases under deadline pressure
Debug test failures instead of building
Skip tests when sprint is tight
Customers find the bugs first

WITH VELLIX

The Vellix way (3 Seconds)

Paste code or API spec once
Get complete test suite instantly
Every edge case automatically covered
Copy and run in your CI/CD pipeline
Ship every sprint, every time
You find bugs. Not your customers.

How It Works

Three steps. Zero setup. Production-ready output.

Paste Your Code

Drop in source code, API spec, requirements, or even screenshots. Supports 15+ languages.

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AI Generates Tests

Our engine analyses your input and writes complete test suites covering happy paths, edge cases, and failure modes.

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Copy & Ship Safe

Tests drop straight into Jest, PyTest, JUnit, Playwright — 50+ frameworks. No rewrites.

Every type of test. One platform.

Unit, API, UI, security — complete coverage without the manual grind. All automated.

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Unit Tests

Paste any function or class. Get complete test coverage with happy paths, edge cases, and error handling. Works with Jest, PyTest, JUnit, RSpec, and 20+ more.

🎯

API Tests

Drop in your API endpoint, OpenAPI spec, or Postman collection. Get automated tests for all HTTP methods, status codes, headers, and response validation.

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UI Tests

Describe user flows or upload screenshots. Get Playwright, Cypress, or Selenium tests with clicks, inputs, navigation, and assertions.

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Integration Tests

Test complex workflows between multiple services. AI generates tests that verify data flow, error handling, and system behavior.

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End-to-End Tests

Complete user journeys from login to checkout. Get comprehensive E2E tests that catch bugs before users do.

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Security Tests

Automated security testing for SQL injection, XSS, auth bypass, and OWASP Top 10 vulnerabilities.

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Prompt Tests

Generate comprehensive test cases to validate your prompt works correctly across different scenarios, edge cases, and inputs.

Simple, transparent pricing

Start free. Scale as you grow. Monthly billing only.

💰 Need annual billing? Email support@vellix.io for 25% discount

Free

For trying Vellix

5 free credits

AI test generation
15+ languages
50+ frameworks
Export code
No credit card

Start Free

Explorer

For solo developers

$12/mo

30 credits/month · 10 rollover

Everything in Free
Priority generation
Test history (90 days)
Email support
API access

Start Explorer

$0.40 per credit

💡 Incredible ROI

Generator Plan ($29): 100 test suites/month = ~50 hours saved
At $50/hour, that's $2,500 in value for $29

Builder Plan ($79): 300 test suites/month = ~150 hours saved
At $50/hour, that's $7,500 in value for $79

Frequently Asked Questions

How does AI test generation work?▼

You paste your code, API spec, or requirements. Our AI analyzes it and generates complete, runnable test suites in seconds. It covers edge cases, error handling, and boundary conditions automatically.

What languages and frameworks do you support?▼

15+ languages including JavaScript, TypeScript, Python, Java, Go, Ruby, PHP, C#, Swift, Kotlin, and more. 50+ frameworks including Jest, Mocha, PyTest, JUnit, TestNG, Playwright, Cypress, Selenium, RSpec, PHPUnit, XCTest.

How do credits work?▼

Each test generation uses 1 credit. Free plan includes 5 tests. Paid plans get monthly credits that roll over (up to a cap). If you only use 25 of your 30 Explorer credits this month, you'll have 35 next month.

Do I need to install anything?▼

No installation required. Vellix is 100% web-based. Just visit app.vellix.io, paste your code, and get tests instantly. Copy the generated tests and add them to your project.

Are the tests production-ready?▼

Yes. All tests are runnable immediately. They use proper assertions, handle edge cases, and follow best practices for your chosen framework. Copy-paste them directly into your test suite.

Can I integrate with CI/CD?▼

Yes. Generator and Corporate plans include API access and webhooks. Works with GitHub Actions, GitLab CI, CircleCI, Jenkins, and more.

Is my code secure?▼

Yes. All data is encrypted in transit (TLS 1.3) and at rest. We use your code only for test generation — never stored permanently, shared, or used for training.

Do you offer refunds?▼

Yes. 7-day money-back guarantee on all paid plans. Contact support@vellix.io within 7 days for a full refund, no questions asked.