GrowthToolBox
Developer Documentation

API Reference

Integrate GrowthToolBox calculators natively into your own SaaS dashboard, CRM, or data pipelines.

Authentication

Access to our REST API requires an API key. You can generate a key in your dashboard settings once your tier is upgraded to Pro or higher. Include this key in the header of all your requests:

Authorization: Bearer YOUR_API_KEY_HERE

Endpoints

POST/api/v1/calculate/ltv

Calculates Customer Lifetime Value dynamically based on your parameters.

Request Body

{
  "averageOrderValue": 55.40,
  "purchaseFrequency": 4,
  "customerLifespan": 3
}

Response

{
  "ltv": 664.80,
  "currency": "USD"
}
More endpoints (CAC, A/B Engine) coming soon directly to the V1 schema.