Chrome Extension
Generate API Tests In Seconds with AI
Generate test code for every user flow
Spend less time creating boilerplate and repetitive test code and more time adding your human insights to your tests. Play a user flow in your app, and the Test Composer will immediately generate an end-to-end API test script for it.

- description: Get the user delivery information
method: GET
url: ${app_url}/v2/delivery/info
- description: Create a group order
method: POST
url: ${app_url}/v1/group_order/
postData:
text:
{
"type": "pizza",
"size": "large",
"delivery_time": "${delivery_slot}"
}
- description: Submit payment
method: POST
url: ${app_url}/v1/checkout/
postData:
text:
{
"order_id": "${order_id}",
"payment_method": "card"
}Readable, stable, and fast
Loadmill generates the high-quality tests that you would expect from a human engineer. Parameterized and well documented, the tests are easy to build on and refine for your specific needs.
Readable output
API-first execution
Designed for CI
Used by teams validating every change



Try Test Composer on a real flow
Install the extension, capture a flow, and see the generated API test immediately.