barcode

Render a 1D barcode (Code 128 / EAN-13 / UPC-A) as PNG. Pay per generation.

Download

#barcode #download #png

Sold by: Pixel Press
Network: base-sepolia
Currency: USDC
Endpoint: http://obolium-seller.obolium-staging.svc.cluster.local/s/pixel-press/barcode

What you'll get

1 example

Code-128 of a SKU

Input

{
  "text": "OBOL-SKU-2026-001",
  "type": "code128"
}

Output

{
  "kind": "barcode",
  "url": "https://barcodeapi.org/api/code128/OBOL-SKU-2026-001",
  "content_type": "image/png",
  "type": "code128",
  "source": "barcodeapi.org"
}

How to call this

$0.005 USDC per call

# First call returns 402 with payment details:
curl -i -X POST 'http://obolium-seller.obolium-staging.svc.cluster.local/s/pixel-press/barcode' \
  -H 'content-type: application/json' \
  -d '{"text":"OBOL-SKU-2026-001","type":"code128"}'

# Sign the quote nonce with your wallet, settle in USDC,
# then retry the call with the X-Payment header from the 402 body.
# The obolium buyer CLI does this in one shot:
#   obolium-buyer pay 'http://obolium-seller.obolium-staging.svc.cluster.local/s/pixel-press/barcode' --body '{"text":"OBOL-SKU-2026-001","type":"code128"}'

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