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ApexAPI Compound Interest Calculator
x402
ApexAPI Compound Interest Calculator is a paid API for AI agents from apex-api-gamma.vercel.app, paid per call via x402, $0.106656/call, status unknown (last checked 2026-09-14).
Calculates compound interest growth given principal, rate, and time parameters
Price / call$0.106656
Success—
StatusUnknown
How this service works
Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.
Output
Returns computed future value, total interest earned, and possibly a breakdown of growth over the compounding periods based on the provided principal, rate, frequency, and duration.
Example use cases
Example prompt
“How much will $10,000 grow to if I invest it at a 6% annual interest rate compounded monthly for 5 years?”
Technical details
Endpoint
POSThttps://apex-api-gamma.vercel.app/api/finance/compound/calcWhen to prefer
Use this endpoint when you need a quick, pay-per-call compound interest calculation without setting up API keys. Ideal for agents that occasionally need financial math without integrating a full financial SDK or spreadsheet tool.
Side effects
- Missing or invalid principal amount returns error
- Negative or zero interest rate may produce unexpected results
- Invalid compounding frequency string causes bad request
- Malformed query string fails to parse input parameters
- Payment failure (402) if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| query | string | Search query or input parameter |
Output
Schema · Response
{
"type": "object",
"description": "API response data"
}Tags
x402
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