Bestseller
Supports 40 types of barcodes Customizable dimensions

General Barcode Generation

Generate scan-ready barcode images in 40 common formats

What can this API do?

Forty one-dimensional formats

Generate UPC, EAN, Code 39, Code 128, ISBN, ITF-14, PostNet, Pharmacode, and other established barcode formats.

Barcode-aware validation

Apply format-specific content, length, and checksum rules before an image is generated.

Configurable image dimensions

Set the output width and height to fit labels, documents, packaging, and application interfaces.

Reusable HTTPS image URL

Receive a hosted PNG barcode URL that can be downloaded or placed into downstream documents.

Retail and publishing workflows

Create product identifiers, ISBN barcodes, price labels, and printable catalog assets.

Logistics and inventory workflows

Generate machine-readable labels for inventory, shipments, postal operations, and asset tracking.

General Barcode Generation
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API Document

HTTP Protocol:HTTPS

HTTP Method:POST

HTTP Endpoint:https://api.gugudata.io/v1/barcode

Response Type:application/json; charset=utf-8

DEMO Endpoint:https://api.gugudata.io/v1/barcode/demo

Live Demo:Try Interactive Demo

Full API Docs:developers.gugudata.io

API Request Parameters

NameTypeIs RequiredDefault ValueRemark
appkeystringtrueYOUR_APPKEYApplication key used for request authentication.
typestringtrueCODE128One-dimensional barcode symbology. Supported values: UPCA, UPCE, UPCSupplemental2Digit, UPCSupplemental5Digit, EAN13, EAN8, Interleaved2Of5, Interleaved2Of5Mod10, Standard2Of5, Standard2Of5Mod10, Industrial2Of5, Industrial2Of5Mod10, Code39, Code39Extended, Code39Mod43, Codabar, PostNet, Bookland, ISBN, JAN13, MsiMod10, Msi2Mod10, MsiMod11, MsiMod11Mod10, ModifiedPlessey, Code11, Usd8, Code32, Ucc12, Ucc13, Logmars, Code128, Code128A, Code128B, Code128C, Itf14, Code93, Telepen, Fim, and Pharmacode.
contentstringtrue123456789012Content to encode, from 1 to 512 characters. Format and checksum requirements depend on the selected barcode symbology.
widthintegertrue290Output width in pixels. Use 1 for the legacy default width of 290, or an integer from 64 to 2048.
heightintegertrue120Output height in pixels. Use 1 for the legacy default height of 120, or an integer from 32 to 2048.

API Response Parameters

NameTypeRemark
urlstringHTTPS CDN URL of the generated PNG barcode image.

API Response Status Codes

Status CodeExplanation of Status CodeRemarks
200Request processed successfully.Some endpoints expose a separate application-level status field in the response body, such as `dataStatus.statusCode`.
400Invalid request parameters or request format.Check required fields, data types, and request body format.
401Missing or unknown application key.Provide a valid `appkey` with the request.
403The application key is recognized but access is not allowed.The key may be expired, inactive, or not permitted for the requested API.
429Request rate or trial usage limit exceeded.Reduce concurrency or retry after the limit window resets.
500Internal service error.Retry later or contact support if the error persists.
503Upstream service unavailable.Retry later; the requested upstream dependency is temporarily unavailable.

Remote MCP

AI client access

Use this API through GuGuData Remote MCP

Connect your AI client once, authorize in the browser, and the client can use the GuGuData API tools available to your account. You do not need to paste an appkey into the MCP client.

Endpoint https://mcp.gugudata.io/mcp
Open MCP Guide
Generic MCP configuration
{
  "mcpServers": {
    "gugudata": {
      "url": "https://mcp.gugudata.io/mcp",
      "transportType": "streamable-http"
    }
  }
}

Code Snippets

Run in Apifox Run in Postman Open LLM Page

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