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POST
/
api
/
v1
/
dev
/
tools
/
pdf
/
watermark
Add PDF watermark
curl --request POST \
  --url https://api.autype.com/api/v1/dev/tools/pdf/watermark \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "fileId": "550e8400-e29b-41d4-a716-446655440000",
  "text": "CONFIDENTIAL",
  "fontSize": 50,
  "opacity": 0.3,
  "rotation": -45,
  "color": "#FF0000",
  "pages": [
    "1",
    "3-5"
  ],
  "webhook": {
    "webhookUrl": "https://example.com/webhook",
    "webhookAuth": {
      "headerName": "X-API-Key",
      "headerValue": "my-secret-key",
      "basicAuthUsername": "user",
      "basicAuthPassword": "pass"
    }
  }
}
'
{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "action": "pdf.merge",
  "status": "PENDING",
  "inputFileIds": [
    "file-id-1"
  ],
  "outputFileId": null,
  "error": null,
  "createdAt": "2023-11-07T05:31:56Z",
  "startedAt": {},
  "completedAt": {},
  "result": {},
  "metadata": {}
}

Authorizations

​
X-API-Key
string
header
required

API Key (starts with ak_...)

Body

application/json
​
fileId
string
required

File ID of the PDF

Example:

"550e8400-e29b-41d4-a716-446655440000"

​
text
string
required

Watermark text

Example:

"CONFIDENTIAL"

​
fontSize
number

Font size in points (default: 50)

Example:

50

​
opacity
number

Opacity from 0 to 1 (default: 0.3)

Example:

0.3

​
rotation
number

Rotation angle in degrees (default: -45)

Example:

-45

​
color
string

Text color as hex code (default: #808080)

Example:

"#FF0000"

​
pages
string[]

Page specifications to apply watermark to. If omitted, all pages are watermarked.

Example:
["1", "3-5"]
​
webhook
object

Optional webhook configuration

Response

201 - application/json

Watermark job created

​
id
string
required

Job ID

Example:

"550e8400-e29b-41d4-a716-446655440000"

​
action
string
required

Action that was performed

Example:

"pdf.merge"

​
status
enum<string>
required

Current job status

Available options:
PENDING,
PROCESSING,
COMPLETED,
FAILED
Example:

"PENDING"

​
inputFileIds
string[]
required

Input file IDs used for this job

Example:
["file-id-1"]
​
outputFileId
object
required

Output file ID (available when COMPLETED)

Example:

null

​
error
object
required

Error message (available when FAILED)

Example:

null

​
createdAt
string<date-time>
required

Job creation timestamp

​
startedAt
object
required

Job start timestamp

​
completedAt
object
required

Job completion timestamp

​
result
object

Structured job result data (e.g. OCR markdown/JSON, generated filename, PDF metadata, form fields). Available when the job produces a direct result instead of an output file.

​
metadata
object
deprecated

Deprecated — use result instead. Additional metadata, duplicated from result for backward compatibility.