$ man watermark
/watermark(1)
PRICE / CALL
$0.02
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
mediakitCATEGORY
media
STATUS
● live
NAME
watermark — pdf / image / video watermarking — text or image overlay
SYNOPSIS
POST https://x402.org/v1/watermark
Content-Type: application/json
X-PAYMENT: <signed-transferWithAuthorization>
{ ... }↳ first call →
402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.DESCRIPTION
PDF / image / video watermarking — text or image overlay. CloudConvert engine. Configurable position, opacity, font, rotation, margin. Works on PDFs, PNG/JPG/GIF, MP4/MOV/WEBM.
INPUT — request schema
| property | type | description | req? |
|---|---|---|---|
| file_url | string | Public URL of the input file (PDF, PNG, JPG, GIF, BMP, TIFF, WEBP, MP4, MOV, WEBM, MKV, AVI, etc.). The URL extension is used to detect format. | required |
| text | string | Watermark text. Provide either text OR image_url (not both). | optional |
| image_url | string | Public URL of an image to use as the watermark (use a transparent PNG). | optional |
| font_size | number | Font size in points (text watermark). Default 40. Range 6-400. | optional |
| font_color | string | Font color as 6-digit hex (e.g. '#FF0000'). Default '#000000'. | optional |
| opacity | number | Opacity 0-100. 100 = fully visible. | optional |
| rotation | number | Rotation in degrees (-360 to 360). | optional |
| position_vertical | string | 'top', 'center' (default), or 'bottom'. enum: top · center · bottom | optional |
| position_horizontal | string | 'left', 'center' (default), or 'right'. enum: left · center · right | optional |
OUTPUT — response shape
| field | type | description |
|---|---|---|
| output_url | string | Signed CloudConvert URL of the watermarked file (24h expiry). |
| file_size_bytes | number | Output file size in bytes. |
| input_format | string | Detected input format (pdf, png, mp4, etc.). |
| watermark_type | string | 'text' or 'image'. |
| source_url | string | Echo of the input URL. |
| job_id | string | CloudConvert job id. |
EXAMPLES — two ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.org/v1/watermark \
-H 'Content-Type: application/json' \
-d '{ }'first response =
402 Payment Required with payment requirements; sign + retry with X-PAYMENT.EXAMPLE 2 · mcp
# install once claude mcp add x402 --command "npx x402-deployer-mcp" # then ask Claude Code: # "use the watermark tool to ..."
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
- tags
- watermarkpdfimagevideobranding
- env
- CLOUD_CONVERT_API_KEY
- methods
- POST
- cluster
- mediakit
- price
- $0.02 USDC per call
ADJACENT — other endpoints in mediakit
| endpoint | description | price |
|---|---|---|
| audio-loudnorm | Audio loudness normalizer (EBU R128 LUFS). | $0.02 |
| csv-to-jsonl | CSV to JSON / CSV to JSONL converter / data pipeline preprocessor. | $0.02 |
| image-translate | Image translator: vision-OCR + Venice translate. | $0.02 |
| image-upscale | Image upscale / 2x upscaler / 4x upscaler / super-resolution / sharpen image / enlarge image without loss. | $0.02 |
| pdf-watermark | PDF watermark / image watermark / video watermark — text or image overlay on PDFs, PNG/JPG/GIF, or MP4/MOV/WEBM. | $0.02 |
| video-to-subtitles | SRT / VTT subtitle generator from video or audio. | $0.02 |
| video-trim | Video trimmer / video cutter / video clip tool. | $0.02 |
| watermark-pdf | Add watermark to PDF. | $0.02 |
SEE ALSO