These are real renders from the API with the example values in the table below. Switch the size above: the same template lays itself out for all 6 sizes — send size or sizes with the request.
For tutorial channels, SaaS academies and course creators. The circle sits where highlight says and dims the rest of the screen; the title autofits under a marker underline. Without a screenshot the window shows a sketch of an app, and without a logo the tile shows the tool's initial. Wide frames put the title on the left and the window on the right; square and vertical frames put the window on top.
Fields
Every field is optional. Long text shrinks to fit instead of overflowing; an image field takes a public URL that we fetch on our side.
| Field | Type | Description | Example |
|---|---|---|---|
title |
text | What the video teaches, in a few words. default: How to do it | Build a live dashboard in 10 minutes |
tool_name |
text | Name of the tool, shown under its tile. | Northwind |
step_label |
text | Label in the accent pill, e.g. Part 1 or Lesson 3. | Part 1 |
level |
text | Difficulty: beginner, intermediate or advanced (fills one, two or three bars). one of: beginner | intermediate | advanced | beginner |
highlight |
text | Where the circle goes on the screenshot: top-left, top-right, center, bottom-left or bottom-right. one of: top-left | top-right | center | bottom-left | bottom-right default: top-right | top-right |
channel |
text | Channel or school name at the bottom. | Northwind Academy |
tool_logo |
image URL | Logo of the tool, shown on the big tile. | https://example.com/images/logo-northwind.png |
screenshot |
image URL | Screenshot of the app or the result. | https://example.com/images/dashboard.png |
accent |
colour | Brand colour as hex, e.g. #6366f1. Drives buttons, highlights and the background glow. default: #e11d48 | #e11d48 |
theme |
dark | light | Colour scheme: dark or light. default: light | — |
Render it with one request
Use the slug as template. The response holds the URL of the finished PNG; ?wait=true keeps the connection open until it is ready.
curl -X POST "https://shareglint.com/v1/images?wait=true" \
-H "Authorization: Bearer sk_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"template": "thumbnail-tutorial",
"modifications": {
"title": "Build a live dashboard in 10 minutes",
"tool_name": "Northwind",
"step_label": "Part 1",
"level": "beginner",
"highlight": "top-right",
"channel": "Northwind Academy",
"tool_logo": "https://example.com/images/logo-northwind.png",
"screenshot": "https://example.com/images/dashboard.png"
}
}'Or paste a signed URL into og:image
For static sites, Webflow, Shopify and no-code tools: put the fields in the query string and sign it with your signing secret. The first request renders the image, every later one is a redirect to the cached file. How to compute the signature.
<meta property="og:image" content="https://shareglint.com/i/acc_YOUR_ACCOUNT_ID/thumbnail-tutorial.png?channel=Northwind%20Academy&highlight=top-right&level=beginner&step_label=Part%201&title=Build%20a%20live%20dashboard%20in%2010%20minutes&tool_name=Northwind&s=YOUR_SIGNATURE">Make it yours
accent and theme change per request. For anything more, copy the template into your account: you get an ordinary HTML template with the same fields that you can edit in the dashboard or through the API. If the slug is free on your account, the copy takes it — your integrations switch to your version without changing a line.
curl -X POST "https://shareglint.com/v1/templates/library/thumbnail-tutorial/copy" \
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