Launched June 12th, 2026. Screenshot quality is improving quickly, and feedback is welcome. Send feedback

Output format

Fastlane ZIP output API.

Use output.format=fastlane_zip when the next step is Fastlane deliver.

Example request

{
  "output": {
    "format": "fastlane_zip",
    "locales": ["en-US", "de-DE"],
    "stores": ["appstore"]
  }
}

Reference table

Archive pathMeaningConsumer
en-US/iphone_6_9/01_home.pngLocale + device + ordered slideFastlane deliver
de-DE/iphone_6_9/01_home.pngLocalized copy variantFastlane deliver
lint.jsonValidation findingsCI/agent review

Keep upload separate from generation

The API produces the folder structure and lint report. Fastlane can remain responsible for authenticated upload and final human review gates.

Rendered examples

One API call can produce the whole visual set.

View gallery