Heffl Public API

Integrate Heffl into your workflows with our powerful REST API. Manage clients, create quotes, send invoices, and automate your business operations.

Heffl API

Quick Start

Authentication

To use the Heffl API, authenticate using your API key. Get your API key from your Heffl dashboard settings.

API keys start with heffl_user_

{
  "method": "GET",
  "url": "https://api.heffl.com/api/v1/clients",
  "headers": {
    "Content-Type": "application/json",
    "x-api-key": "YOUR_API_KEY_HERE"
  }
}

Endpoint

All API requests should be made to:

https://api.heffl.com/api/v1

Rate Limiting

To ensure fair usage and system stability, the API enforces rate limits:

Rate Limit: 60 requests per 60 minutes

If you exceed this limit, you'll receive a 429 Too Many Requests error until your quota resets.

Need Help?

If you encounter any issues while using the Heffl API, please contact our support team.

[email protected]heffl.com/support
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