Render Dynamic Image API

Playground

Try endpoints and copy signed URL patterns

Full examples, endpoint references, and live test links for campaign integrations.

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Playground preview

Endpoint Examples

Signed URL references and live outputs

Voucher Generator

Create branded voucher images with dynamic text placement and styling.

https://render.mattbayliss.co.uk/voucher?vouchercode=WINTER2026&x=32&y=12&box_width=248&client_id=YOUR_CLIENT_ID&ts=TIMESTAMP&sig=SIGNATURE
See Live Example
Voucher example
Countdown example

Countdown GIF

Create animated countdown timers for campaigns and launch moments.

https://render.mattbayliss.co.uk/countdown?end=2026-12-31T23:59:59Z&client_id=YOUR_CLIENT_ID&ts=TIMESTAMP&sig=SIGNATURE
See Live Example

Weather Card

Render a 3-day weather forecast card by location and start date.

https://render.mattbayliss.co.uk/weather?date=YYYY-MM-DD&location=London&unit=c&theme=2EA8FF&client_id=YOUR_CLIENT_ID&ts=TIMESTAMP&sig=SIGNATURE
Celsius Example Fahrenheit Example
Weather example

Calendar Links

Generate Google, Outlook, and ICS links with one signed endpoint.

https://render.mattbayliss.co.uk/calendar?type=google&title=Movie%20Night&start=START_DATE&end=END_DATE&timezone=Europe/London&location=London&summary=Bring%20snacks&url=https%3A%2F%2Fexample.com&client_id=YOUR_CLIENT_ID&ts=TIMESTAMP&sig=SIGNATURE
Add to Google Add to Outlook Download ICS

Cross-platform calendar actions

Use one endpoint and switch provider type for email CTA compatibility.

Image Composer

Overlay multiple text blocks onto a background with full style control.

https://render.mattbayliss.co.uk/image?bg_url=https://example.com/bg.jpg&blocks=[...]&client_id=YOUR_CLIENT_ID&ts=TIMESTAMP&sig=SIGNATURE
See Live Example Open Image Builder
Image composer example

QR Code Generator

Generate dynamic QR codes for URLs, voucher codes, booking references, event links, or plain text values.

https://render.mattbayliss.co.uk/qr?client_id=demo&token=YOUR_TOKEN&value=https%3A%2F%2Fwww.nationalexpress.com

Plain text also supported:

https://render.mattbayliss.co.uk/qr?client_id=demo&token=YOUR_TOKEN&value=ABC123456

Email-safe example:

<img src="https://render.mattbayliss.co.uk/qr?client_id=CLIENT_ID&token=SIGNED_TOKEN&value=%%=URLEncode(@QRCodeValue)=%%" width="300" height="300" alt="QR code">
See Live Example

Live image example

<img src="https://render.mattbayliss.co.uk/qr?client_id=demo&token=YOUR_TOKEN&value=https%3A%2F%2Fwww.nationalexpress.com&size=300" width="300" height="300" alt="Example QR code">

Use a real signed token in production sends.