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Checksum

Checksum

AI

Checksum runs AI agents that generate, execute, and self-heal Playwright end-to-end, CI, and API tests so teams get full coverage without maintenance.

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About Checksum

Checksum is an AI testing platform built around three specialized agents that keep a codebase covered as AI-generated code volume rises. The End-to-End Agent bootstraps a suite of production-ready Playwright tests and automatically heals them when the app changes; the CI Agent generates 50-200 tests per pull request targeting exactly the code that changed and actually executes them before review; and the API Agent covers thousands of endpoints in days, chaining across many steps to verify state and downstream effects rather than just status codes. Tests are delivered as standard Playwright code committed to your own repository via pull request, so there is no proprietary format or lock-in. The platform plugs into CI, runs on every commit, and monitors production errors so each new bug becomes a regression test. Pricing is tied to the number of workflows Checksum maintains rather than seats or test runs.

Key Features

End-to-End Agent: Creates production-ready Playwright tests from your app and automatically heals broken tests as the UI and flows evolve.
CI Agent: Generates 50-200 tests for each pull request scoped to the exact code that changed, and executes them so the PR is already verified by review time.
API Agent: Covers thousands of endpoints in days with tests that chain across 40+ steps and verify state changes and downstream effects, not just response codes.
Autonomous Test Healing: Broken tests are repaired by the agents instead of engineers, cutting reported maintenance time by roughly 90%.
Production Error Monitoring: Watches live errors and converts each real bug into a regression test so the same failure cannot ship twice.
You Own Every Test: Output is standard Playwright committed to your repo through a normal pull request, so the suite moves with you if you ever leave.
Results as a Service: Human engineers give a final verification pass on delivered tests, so you receive working suites rather than raw AI output.
Workflow-Based Pricing: Billing is tied only to the number of maintained workflows — unlimited test runs, healings, and users at every tier.

Use Cases

Bootstrapping a First Test Suite: Teams with little or no automated coverage reach 100-150 working E2E tests within the first week.
Guarding AI-Generated Code: Engineering orgs shipping large volumes of agent-written code get every PR independently exercised before merge.
Replacing Manual Release Testing: QA teams retire manual regression passes — one customer reported saving 90 hours of manual testing per month.
Scaling API Coverage: Backend teams cover thousands of endpoints in days instead of spending months hand-writing integration tests.
Eliminating Flaky Test Maintenance: Engineers stop spending sprint capacity repairing selectors and broken assertions after UI changes.
Increasing Deploy Frequency: Teams held back by painful release testing gain enough confidence to deploy far more often.

Frequently asked questions about Checksum

What is Checksum?

Checksum runs AI agents that generate, execute, and self-heal Playwright end-to-end, CI, and API tests so teams get full coverage without maintenance.

How does Checksum work?

Checksum works by combining End-to-End Agent: Creates production-ready Playwright tests from your app and automatically heals broken tests as the UI and flows evolve., CI Agent: Generates 50-200 tests for each pull request scoped to the exact code that changed, and executes them so the PR is already verified by review time., API Agent: Covers thousands of endpoints in days with tests that chain across 40+ steps and verify state changes and downstream effects, not just response codes., Autonomous Test Healing: Broken tests are repaired by the agents instead of engineers, cutting reported maintenance time by roughly 90%., Production Error Monitoring: Watches live errors and converts each real bug into a regression test so the same failure cannot ship twice. to help users with Bootstrapping a First Test Suite: Teams with little or no automated coverage reach 100-150 working E2E tests within the first week., Guarding AI-Generated Code: Engineering orgs shipping large volumes of agent-written code get every PR independently exercised before merge., Replacing Manual Release Testing: QA teams retire manual regression passes — one customer reported saving 90 hours of manual testing per month., Scaling API Coverage: Backend teams cover thousands of endpoints in days instead of spending months hand-writing integration tests., Eliminating Flaky Test Maintenance: Engineers stop spending sprint capacity repairing selectors and broken assertions after UI changes..

What are the main features of Checksum?

Key features include End-to-End Agent: Creates production-ready Playwright tests from your app and automatically heals broken tests as the UI and flows evolve., CI Agent: Generates 50-200 tests for each pull request scoped to the exact code that changed, and executes them so the PR is already verified by review time., API Agent: Covers thousands of endpoints in days with tests that chain across 40+ steps and verify state changes and downstream effects, not just response codes., Autonomous Test Healing: Broken tests are repaired by the agents instead of engineers, cutting reported maintenance time by roughly 90%., Production Error Monitoring: Watches live errors and converts each real bug into a regression test so the same failure cannot ship twice..

Who is Checksum for?

Checksum is useful for anyone interested in Bootstrapping a First Test Suite: Teams with little or no automated coverage reach 100-150 working E2E tests within the first week., Guarding AI-Generated Code: Engineering orgs shipping large volumes of agent-written code get every PR independently exercised before merge., Replacing Manual Release Testing: QA teams retire manual regression passes — one customer reported saving 90 hours of manual testing per month., Scaling API Coverage: Backend teams cover thousands of endpoints in days instead of spending months hand-writing integration tests., Eliminating Flaky Test Maintenance: Engineers stop spending sprint capacity repairing selectors and broken assertions after UI changes..

How much does Checksum cost?

Checksum is a paid product. Check the official site for current pricing.

How do I get started with Checksum?

Visit https://checksum.ai/ to sign up and explore Checksum.

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