Overlay arbitrary text block.

Overlay arbitrary text block. Drop this helper wherever you want to overlay arbitrary text block 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/overlay-text

Visual example

Sample request

POST https://api.dataczar.com/media/overlay-text {"url":"https://images.unsplash.com/photo-1498050108023-c5249f4df085?auto=format&fit=crop&w=960&q=80","text":"Launch Day","position":"south"}

Where this helper shines

Overlay arbitrary text block. keeps media helpers on autopilot. Use it whenever you need to overlay arbitrary text block without pausing a sprint or asking design/dev to jump in.

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

Copy & ship snippets

GET

Instant link

GET https://api.dataczar.app/media/overlay-text?url=https%3A%2F%2Fexample.com%2Fsample.png&text=Launch+promo&position=center&font_size=48&ak=demo

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

curl

curl GET

curl "https://api.dataczar.app/media/overlay-text?url=https%3A%2F%2Fexample.com%2Fsample.png&text=Launch+promo&position=center&font_size=48&ak=demo"

Swap ak=demo with your Dataczar API key.

curl

curl POST

curl -X POST "https://api.dataczar.app/media/overlay-text?ak=demo" \
  -H 'Content-Type: application/json' \
  -d '{
  "url": "https://example.com/sample.png",
  "text": "Launch promo",
  "position": "sample_position",
  "font_size": 40,
  "color": "#38bdf8",
  "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
text	string
position	string
font_size	integer
color	string
background	string	Optional background box color (set blank for none).
format	string
dryrun	boolean

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/overlay-text?url=https://example.com/a.jpg&dryrun=1"

Response

{
  "ok": true,
  "data": {
    "operation": "overlay-text"
  },
  "meta": {
    "dryrun": true
  }
}

Test Contracts

[
  {
    "name": "overlay-text_dryrun",
    "method": "GET",
    "params": {
      "url": "https://example.com/a.jpg",
      "dryrun": true
    },
    "expect": {
      "operation": "overlay-text"
    }
  }
]

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 — Background image

Query parameters

url optionaltext optionalposition optionalfont_size optionalcolor optionalbackground optionalformat optionaldryrun optional

Body parameters

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