PDF Rotate

Rotates selected or all pages by 90, 180 or 270 degrees.

POST /v1/pdf/rotate $0.01 per call

Specification

Endpoint
POST /v1/pdf/rotate
Price
$0.01 per call · tier standard_data
Payment
x402 on X Layer (chain 196) · settled in USDG or USDT0 · scheme exact
Data source
Local sandboxed processing of the uploaded file
Timeout
120 seconds
Max request
20 MB
Version
1.0.0

Calling it

The first call returns a 402 with the payment challenge. Retry with a signed authorisation in the X-PAYMENT header — see the payment guide for the exact shape.

curl -i -X POST "https://api.dana-edu.pp.ua/v1/pdf/rotate" \
  -H "content-type: application/json" \
  -d '{ ... }'

Response

Real output, captured by running this endpoint at build time — not written by hand. Volatile fields such as timestamps are elided. Captured 2026-07-30.

{
  "page_count": 3,
  "pages_rotated": 3,
  "degrees": 90,
  "mode": "relative",
  "changes": [
    {
      "page": 1,
      "from": 0,
      "to": 90
    },
    {
      "page": 2,
      "from": 0,
      "to": 90
    },
    {
      "page": 3,
      "from": 0,
      "to": 90
    }
  ],
  "output_size_bytes": 1744,
  "output_filename": "<varies per call>",
  "output_base64": "<base64 payload elided from the published example>",
  "note": "Rotation is stored as page metadata, not by re-rendering content, so no quality is lost."
}

Every response is wrapped in the same envelope: data plus warnings, sources, confidence, informational_only and a measured processing_ms. See the envelope reference.

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