Mask the image with rounded corners.

Mask the image with rounded corners. Drop this helper wherever you want to mask the image with rounded corners with a single HTTP call. Send the documented inputs and the API streams back polished results you can hand directly to your users.

GETPOST/media/add-rounded-corners

Visual example

Sample request

GET https://api.dataczar.com/media/add-rounded-corners?url=https://images.unsplash.com/photo-1498050108023-c5249f4df085?auto=format&fit=crop&w=960&q=80&radius=50&ak=demo

Where this helper shines

Mask the image with rounded corners. keeps media helpers on autopilot. Use it whenever you need to mask the image with rounded corners without pausing a sprint or asking design/dev to jump in.

Trigger this helper whenever you need to mask the image with rounded corners without waiting on a full deploy.
Drop it into automations (Zapier, Make, workers) to mask the image with rounded corners as part of your workflow.
Share the GET URL so support and success can mask the image with rounded corners safely using their Dataczar API key.

Copy & ship snippets

GET

Instant link

GET https://api.dataczar.app/media/add-rounded-corners?url=https%3A%2F%2Fexample.com%2Fsample.png&radius=32&background=transparent&format=png&ak=demo

Open directly in any browser, webhook, or low-code workflow.

curl

curl GET

curl "https://api.dataczar.app/media/add-rounded-corners?url=https%3A%2F%2Fexample.com%2Fsample.png&radius=32&background=transparent&format=png&ak=demo"

Swap ak=demo with your Dataczar API key.

curl

curl POST

curl -X POST "https://api.dataczar.app/media/add-rounded-corners?ak=demo" \
  -H 'Content-Type: application/json' \
  -d '{
  "url": "https://example.com/sample.png",
  "radius": 20,
  "background": "sample_background",
  "format": "png",
  "dryrun": true
}'

Send JSON payloads from back-end jobs, queues, or workers.

Parameters

Query Parameters

Name	Type	Description
url	string	Public HTTPS image URL or supply `file`.
radius	integer	Corner radius in px.
background	string	Background fill outside corners (transparent or hex).
format	string	Output format.
dryrun	boolean	Return preview metadata.

All helper calls accept your Dataczar key via the ak query parameter. Need one? Create or copy a key on Dataczar Connect and drop it into each request.

Responses

Status 200

Image transformed successfully.

"Binary image stream unless dryrun=true (JSON metadata)."

Examples

Request

"GET /img/add-rounded-corners?url=https://example.com/a.jpg&dryrun=1"

Response

{
  "ok": true,
  "data": {
    "operation": "add-rounded-corners"
  },
  "meta": {
    "dryrun": true
  }
}

Test Contracts

[
  {
    "name": "add-rounded-corners_dryrun",
    "method": "GET",
    "params": {
      "url": "https://example.com/a.jpg",
      "dryrun": true
    },
    "expect": {
      "operation": "add-rounded-corners"
    }
  }
]

API key

HTTP method

File uploads (multipart form-data)

Attach PDFs or images as multipart fields. We'll fill in the field names for you.

Files

file — Source image

Query parameters

url optionalradius optionalbackground optionalformat optionaldryrun optional

Body parameters

We'll send these as JSON for POST/PUT/PATCH requests and as query params for GET.