Read the sourceComplete
Build the previewComplete
Run the checksComplete
Prepare the handoffComplete
Every stage, in view.
A build should tell you where it is, what happened, and what comes next.
Run the local simulationA CLEAR PATH FROM CHANGE TO PREVIEW
Deployment,
considered.
Make the next version easy to understand. A clear build, a useful check, and a preview ready for the next conversation.
Explicit requests Separate environments Visible checks Complete examples
Start with a
small request.
Readable inputs. A predictable response. Explore the same concept in three familiar languages.
// Concept request. This endpoint is illustrative.
const response = await fetch(
'https://api.stackline.example/previews',
{
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
project: 'fieldnotes',
environment: 'preview',
branch: 'feature/new-direction'
})
}
);
const preview = await response.json();Confidence lives
in the details.
Follow a preview through its stages. Explore success, failure, and cancellation without touching a real project.
source.readyproject resolved
build.completebundle prepared
checks.passedpreview validated
preview.readyhandoff available
Useful context.
At the right moment.
Read the event trail and inspect the structured result. Sample events stay on this page.
Explore the state modelA little separation.
A lot more clarity.
Keep a work-in-progress preview distinct from a staging review. The playground makes the selected context explicit.
Choose an environmentClear answers.
Before you begin.
Does the playground deploy anything?
No. It is a local browser simulation with original sample data. No repository is connected and no files are uploaded.
Can I use the code examples as a real SDK?
No. The request shape is a concept contract. The .example endpoint is intentionally illustrative. The documentation explains the sample behavior.
What happens when a check fails?
The simulator marks the check as failed and shows a useful log message. Choose the success outcome and run again to explore recovery.
Are the prices real?
No. They demonstrate a transparent usage calculation with explicit assumptions. There is no subscription or checkout.