APIs › Image, SVG, QR & Barcode › SVG Optimizer

SVG Optimizer

Reduces SVG size by pruning metadata, collapsing precision and removing unused definitions, always applying sanitisation first.

POST /v1/svg/optimize $0.01 per call

Specification

Endpoint

POST /v1/svg/optimize

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 image

Timeout

60 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/svg/optimize" \
  -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.

{
  "original_size_bytes": 308,
  "optimised_size_bytes": 242,
  "reduction_bytes": 66,
  "reduction_percent": 21.43,
  "sanitisation_removals": 0,
  "metadata_elements_removed": 2,
  "decimal_places": 2,
  "output_base64": "<base64 payload elided from the published example>",
  "output_utf8": "<base64 payload elided from the published example>",
  "note": "Sanitisation runs before optimisation, always. Returning a smaller version of an unsafe SVG would just be delivering the same attack more efficiently."
}

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

Related endpoints