Dataczar
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API Reference / media / overlay-logo

Overlay a logo image in a corner.

Overlay a logo image in a corner. Drop this helper wherever you want to overlay a logo image in a corner 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-logo

Visual example

Before
Before
After
After

Sample request

POST https://api.dataczar.com/media/overlay-logo {"url":"https://images.unsplash.com/photo-1498050108023-c5249f4df085?auto=format&fit=crop&w=960&q=80","logo_url":"https://dataczar-public.s3.us-west-2.amazonaws.com/photos/54/dataczar-logo-fit.png"}

Parameters

Query Parameters

NameTypeDescription
urlstring
logo_urlstringLogo URL or upload `logo_file`.
positionstring
scalenumberLogo width as fraction of base width.
opacitynumber
formatstring
dryrunboolean

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

Response

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

Test Contracts

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

Grab your Dataczar API key

Every helper runs with the same simple API key. Sign in (or create a free Dataczar account) at Dataczar Connect to issue keys in seconds, then drop the key into any `ak=` parameter and start shipping.

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Tip: reuse the same key across these helpers, or rotate keys per project from the Connect dashboard.