Odel
Barcode Generator API

Barcode Generator API

@br0ski777TypeScriptMITUpdated 4 days ago

Generate barcodes — EAN-13, UPC-A, Code128, Code39. Returns SVG. x402 micropayment.

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Server endpointStreamable HTTPNo authProbed

Registry lists this as SSE; the live endpoint answered over Streamable HTTP.

https://barcode-generator.api.klymax402.com/mcp

This is the third-party server itself — Odel doesn't run it. Hitting this URL directly talks straight to the upstream server with no auth or proxying. Connect through Odel to front it with managed auth.

Barcode Generator API

MCP Server x402 License: MIT

Generate barcodes -- EAN-13, UPC-A, Code128, Code39. Base64 SVG output, custom width and height. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.

Quickstart -- MCP

Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):

{
  "mcpServers": {
    "barcode-generator": {
      "url": "https://barcode-generator.api.klymax402.com/mcp"
    }
  }
}

Quickstart -- HTTP (x402)

curl -X POST "https://barcode-generator.api.klymax402.com/api/barcode" \
  -H "Content-Type: application/json" \
  -d '{"data":"..."}'
# -> 402 Payment Required, with an x402 payment challenge in the response body

Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.

Tools

ToolMethodPathPriceDescription
utility_generate_barcodePOST/api/barcode$0.003Generate a barcode from text or number

utility_generate_barcode

Use this when you need to generate a barcode from text or a number. Returns base64-encoded SVG image in JSON.

Parameters

NameTypeRequiredDescription
datastringyesData to encode in the barcode
formatstringnoBarcode format: code128, code39, ean13, upca (default: code128)
widthnumbernoBar width in pixels (default: 2)
heightnumbernoBarcode height in pixels (default: 100)

Example response:

{"data":"5901234123457","format":"ean13","image":"PHN2ZyB4bWxu...","width":264,"height":142}

When to use: product labeling, inventory management, shipping labels, retail POS systems, and asset tracking barcodes.

Not for: QR codes (use utility_generate_qr_code), image resizing (use media_resize_image), PDF generation (use document_generate_pdf).

Example agent prompts

  • "Generate a barcode from text or a number"

Payment

  • Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
  • Network: Base L2 (eip155:8453)
  • Asset: USDC
  • Facilitator: Coinbase CDP (primary), PayAI (fallback)
  • Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)

Part of klymax402

100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.

License

MIT