Generate placeholder images on the fly: pick the size, background and text colors and a caption. Instant vector output or raster formats rendered by a real browser engine. Made for mockups, prototypes and empty states.
Run in Postman
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
curl --location --request GET 'https://zylalabs.com/api/13160/placeholder+image+generator+api/26706/generate+placeholder+image' --header 'Authorization: Bearer YOUR_API_KEY'
After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Placeholder Image Generator API simply include your bearer token in the Authorization header.
| Header | Description |
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Authorization
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Required
Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.
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No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
(Save 2 months with annual billing 🎉)
Trusted by leading companies
Placeholder images straight from an address, no design tools needed. Choose the size, background color, text color and caption, and receive the image ready to drop into a page or app.
Useful for wireframes and mockups, empty states and image fallbacks in production interfaces, seeding demo environments, and templates awaiting final artwork.
The Generate Placeholder Image endpoint returns a base64-encoded string representing the generated placeholder image. This image can be in scalable vector format or raster format, depending on the request parameters.
Users can customize their requests using parameters for width, height, background color, text color, and caption. Each parameter allows for specific values to define the appearance of the placeholder image.
The response data consists of a single field containing the base64-encoded image string. This string can be directly used in an image tag to display the generated placeholder image.
Typical use cases include creating mockups for web and mobile applications, designing wireframes, providing empty states in user interfaces, and generating demo content for presentations or templates.
Users can customize their requests by specifying the desired width, height, background color (in hex format), text color (also in hex format), and a caption of up to 120 characters, all in a single API call.
The accepted parameter values for colors are hexadecimal color codes, such as "#FFFFFF" for white or "#000000" for black. Users can specify any valid hex code to customize the background and text colors.
Users can utilize the returned base64-encoded image string by embedding it directly in an HTML image tag as the `src` attribute, allowing for immediate display of the placeholder image in web applications.
Users can expect consistent output patterns where the image dimensions and colors match the specified parameters. The text will be centered and rendered crisply, ensuring a professional appearance in mockups and prototypes.
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes. If the API offers a free trial, you will see a "Free 7-Day Trial" option in its Pricing section. The trial lasts for 7 days and allows up to 50 API requests, enabling you to evaluate the API before subscribing to a paid plan.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
You can monitor your API usage through the response headers included with every request:
x-zyla-api-calls-monthly-used: Shows the total number of API requests you have used during the current billing period.
x-zyla-api-calls-monthly-remaining: Shows the number of API requests you have remaining for the current billing period.
Yes, you can cancel your subscription at any time. Simply go to the Pricing section of the API you're subscribed to and click the "Unsubscribe" button.
Please note that upgrades, downgrades, and cancellations take effect immediately. Once your subscription is canceled, access to the service will end immediately, regardless of any remaining API calls in your quota.
Please have a look at our Refund Policy: https://zylalabs.com/terms#refund
