Getting Started
Every calculator on LikeOptions is available as a JSON endpoint. Send numeric inputs, get structured results back.
Send JSON body with parameters for each calculator.
Response format: {kind: "mortgage", result: {primary: 1439, secondary: [...]}}
Rate Limiting & Limits
120 requests per hour per client IP. Exceeding this returns HTTP 429. No authentication, no API key required. All calculations are stateless and not persisted.
This is a free v1 API. Multi-leg options strategies (builder, scenario lab) are not exposed via API.