Imageslot API Examples: Hands-On Demos for Every Use Case
Explore real-world Imageslot API examples for avatars, banners, card images, overlays, and accessible placeholders. Each demo includes a live API image, annotated code, and best practice tips—so you can copy, adapt, and integrate Imageslot into your next web project instantly.

Quick Overview: What Can You Do with Imageslot API?
Avatars & Profiles
Generate avatars, initials, or user placeholders in any color or size.
See ExampleCards & Grids
Fill card, gallery, or tile layouts with matching aspect ratio placeholders.
See ExampleHow to Use Imageslot API for Avatars in Web Apps
Avatar and profile placeholders improve user experience in social apps, comment sections, and user dashboards. With Imageslot, you can generate on-the-fly avatars with initials, brand colors, or random backgrounds—no static assets required.
<img src="https://imageslot.com/v1/120x120?bg=3DA35D&fg=fff&text=JD&filetype=png" alt="User avatar placeholder">
// Generates a 120x120px PNG avatar with initials "JD" and green background
text=
and bg=
parameters server-side or with JavaScript.
Imageslot Banner Image Example: Responsive Heroes & Section Headers
Banner and hero images are essential for modern web layouts. Imageslot lets you instantly create full-width demo banners for landing pages, blog headers, and app sections—customizable in size, color, and format for perfect layout fit.
<img src="https://imageslot.com/v1/1200x400?bg=173559&fg=fff&text=Hero+Banner&filetype=jpg" alt="Section banner placeholder">
// 1200x400px JPG, white text on deep blue for hero/section headers
alt
text to describe the image's role or content. For decorative placeholders, use alt=""
.
Responsive Card Image Placeholder API Example
Cards and grid layouts need flexible images that match your aspect ratio and design intent. With Imageslot, you can tailor placeholder dimensions for product cards, blog previews, or gallery tiles—ensuring visually stable, responsive layouts.
<img src="https://imageslot.com/v1/400x250?bg=ececec&fg=23272f&text=Card+Image&filetype=png" alt="Card image placeholder">
// 400x250px PNG, gray with dark text, ideal for cards, tiles, grids
Text Overlay Placeholder API Demo: Headings & Labels
Need to demo headlines, button labels, or custom text in your design? The Imageslot API supports text=
, fontsize=
, bold
, and italic
—so you can show realistic headings, calls-to-action, or product names right in your wireframes.
<img src="https://imageslot.com/v1/600x100?bg=1A726B&fg=fff&text=Overlay+Demo&bold=1&fontsize=32&filetype=png" alt="Text overlay placeholder">
// 600x100px PNG, bold white text on teal, for banners/headings
Custom Text Options
Accessible Placeholder Images with Imageslot API
Accessibility is essential for all users. Imageslot helps you create high-contrast placeholders and lets you set custom alt
text and ARIA labels for screen readers. You can even simulate accessible states in your prototypes and UI tests.
<img src="https://imageslot.com/v1/320x120?bg=fff&fg=23272f&text=Accessible&filetype=png" alt="Accessible placeholder image for user profile" aria-label="User profile placeholder">
// High-contrast, alt + ARIA for screenreader support
bg=fff
and fg=23272f
for high-contrast accessible placeholders. Always describe purpose in alt
text.
Frequently Asked Questions: Imageslot API Usage
/v1/500x300?filetype=png
. You can generate sizes on-the-fly via templates or variables in your code. For full guidance, see Image Sizing Guide.
text=
parameter for any custom label, headline, or initials. You can also adjust font size, bold, italic, and more. See Text Overlay Example above or full text styling features.
width
and height
in your <img>
tag to avoid layout shift. Use descriptive alt
text for SEO and accessibility. Choose the smallest suitable image size and serve images via CDN for best performance. Read more.
/v1/350x200?bg=ececec&fg=23272f&text=Demo&filetype=png
and use it in your <img>
, Figma, or code. You can generate as many as you need for layouts, wireframes, presentations, or rapid prototyping. See all features.