Discover / barcode-qr.x402tookit.com

Barcodes and QR Codes

■ Live

Compute or verify the GS1 mod-10 check digit for EAN-8, UPC-A, EAN-13, ITF-14 (GTIN-14) and SSCC numbers.

Listed price
$0.02
Live
1 of the last check
Median response
173 ms
Last checked
2 Nov, 06:26 UTC
In our index since
2 Nov 2026

Endpoint

curl -i https://barcode-qr.x402tookit.com/barcode-check-digit
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
7 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://barcode-qr.x402tookit.com

  • GET/qr-capacityNo price listedQR capacity from the ISO 18004 table: max digits, letters, bytes for a version, or the smallest version for a length.
  • GET/ean13-svgNo price listedDraw an EAN-13 or UPC-A barcode SVG: adds or checks the check digit and uses the L/G/R encodings.
  • GET/code128-svgNo price listedEncode ASCII text as a Code 128 barcode SVG with automatic subset A/B/C switching and the mod-103 checksum.
  • GET/qr-svgNo price listedEncode text as a QR code SVG (ISO 18004, versions 1-40, error correction L/M/Q/H, auto mask). No dependencies.
  • GET/vcard-qr-payloadNo price listedBuild a vCard 3.0 contact card (RFC 2426 escaping of ; , \ and newlines) and its QR code SVG.
  • GET/barcode-check-digitNo price listedCompute or verify the GS1 mod-10 check digit for EAN-8, UPC-A, EAN-13, ITF-14 (GTIN-14) and SSCC numbers.
  • GET/wifi-qr-payloadNo price listedBuild the standard WIFI: join string (ZXing/Android escaping of ; , : \ and quotes) and its QR code SVG.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 7 of 7 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/barcode-qr.x402tookit.com

Recent checks

2 Nov 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean the endpoint was not live. “Live” means it answered with HTTP 402 or another detected payment-challenge signal.2 Nov 2026
All 1 checks
When (UTC)ResultHTTPResponse
2 Nov, 06:26 UTCLive402173ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 2 Nov, 06:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Barcodes and QR Codes?

Its listed price is $0.02.

What payment terms does Barcodes and QR Codes advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Barcodes and QR Codes listed?

In x402 Bazaar. Superstables first indexed it on 2 Nov 2026.

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