UTM Link Builder API

Marketing

Create trackable marketing links with UTM parameters instantly. Monitor campaign performance and traffic sources for better marketing insights.

Authentication

All API requests require a valid API key passed in the Authorization header as a Bearer token.

Rate Limit

100 requests per minute

Endpoints

1 endpoint available

Overview

The UTM Link Builder API generates trackable marketing URLs with UTM parameters programmatically. Create campaign-specific links to monitor traffic sources and marketing performance in analytics platforms.

Features

Append UTM parameters to any valid URL
Supports all standard UTM parameters: source, medium, campaign, term, and content
Automatic URL validation and parameter encoding
Perfect for batch link generation and marketing automation

Use Cases

Bulk generate campaign tracking links
Automate marketing link creation in workflows
Integrate UTM tagging into marketing platforms
Create consistent tracking across email campaigns

Endpoints

POST

/v1/tools/utm-link-builder

Generate a URL with UTM parameters

Request Body

Content-Type: application/json

Parameter	Type	Required	Description
url	string	Required	The destination URL to add UTM parameters to (must be a valid URL including protocol)
utm_source	string	Required	Identifies the source of traffic (e.g., google, newsletter, facebook, twitter)
utm_medium	string	Required	Identifies the marketing medium (e.g., cpc, banner, email, social, affiliate)
utm_campaign	string	Required	Name of the campaign (e.g., spring_sale, product_launch, black_friday)
utm_term	string	Optional	Used for paid search keywords (e.g., running+shoes, discount+code)
utm_content	string	Optional	Used to differentiate similar content or links (e.g., banner1, textlink, header_cta)

Response Example

{
  "success": true,
  "data": {
    "originalUrl": "https://example.com/products",
    "generatedUrl": "https://example.com/products?utm_source=newsletter&utm_medium=email&utm_campaign=summer_sale&utm_content=header_banner",
    "parameters": {
      "utm_source": "newsletter",
      "utm_medium": "email",
      "utm_campaign": "summer_sale",
      "utm_content": "header_banner"
    }
  }
}

Error Codes

400

Bad Request - Invalid URL format or missing required UTM parameters

401

Unauthorized - Invalid or missing API key

429

Too Many Requests - Rate limit exceeded

500

Internal Server Error

Code Examples

curl -X POST https://api.opentools.ca/v1/tools/utm-link-builder \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://example.com/products",
    "utm_source": "newsletter",
    "utm_medium": "email",
    "utm_campaign": "summer_sale",
    "utm_content": "header_banner"
  }'

Ready to get started?

Create an API key to start using the UTM Link Builder API.