Which API do I need?

Both APIs are authenticated with the same X-Api-Key header, but each takes a key of its own: an Instant Snap API key starts with wsw_api_, an Auto Schedule API key with wsw_autoapi_, and neither opens the other. Everything else about them is separate too, deliberately: they solve different problems and are metered differently.

On-demand capture. You describe the page and the rendering you want in the request body, and the API answers with the file, a link to it, or a receipt for a delivery to your bucket. Nothing has to exist in the application first.

• Images, videos and PDFs, or the page's readable text as Markdown or plain text
• Desktop or emulated mobile, viewport or full page
• Custom headers, cookies, locale, time zone and geolocation
• Three response modes: the raw file, a JSON envelope, or delivery to your S3 bucket

curl -X POST https://api.websitescreenshotworld.com/instant-snap/v1/captures \
  -H "X-Api-Key: wsw_api_0123456789ab_your_secret" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://example.com",
    "response_type": "json",
    "media_category": "image",
    "format": "png"
  }'

A trigger, not a capture engine. It has exactly one endpoint, it takes no request body, and it fires a schedule that already exists in your account — with that schedule’s URL, its Web Profile, its delivery settings and its retention.

• One endpoint, one path parameter, no body
• The capture is identical to pressing Quick Capture in the app
• Calling it twice while a capture is already running is safe — it tells you so and does nothing

curl -X POST \
  https://autoapi.websitescreenshotworld.com/auto-schedule/v1/web-pages/8f14e45f-ceea-467a-9d0b-2c0b6f1a9e77/trigger-now \
  -H "X-Api-Key: wsw_autoapi_0123456789ab_your_secret"

Each API publishes its contract as an OpenAPI 3.1 document, served by the API itself. It describes every endpoint and field of that API, it needs no API key to read, and it changes only with a release.

• Instant Snap API: https://api.websitescreenshotworld.com/instant-snap/v1/openapi.json
• Auto Schedule API: https://autoapi.websitescreenshotworld.com/auto-schedule/v1/openapi.json

Paste either address into Postman's Import dialog to get a collection with every endpoint, or hand it to a code generator such as OpenAPI Generator to produce a typed client in your own language. Both documents declare the X-Api-Key header as their authentication, so an imported collection carries that header as its authorization: set your key there once.

curl -o instant-snap.openapi.json https://api.websitescreenshotworld.com/instant-snap/v1/openapi.json
curl -o auto-schedule.openapi.json https://autoapi.websitescreenshotworld.com/auto-schedule/v1/openapi.json