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APR ↔ APY Converter & Deposit Projector
x402
APR ↔ APY Converter & Deposit Projector is a paid API for AI agents from api.vextorium.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-13).
Converts between APR and APY for any compounding frequency and optionally projects final value and gain of a deposit over N days.
Price / call$0.003
Success—
StatusUnknown
How this service works
Convert APR to APY or APY to APR for any compounding frequency (continuous, daily, hourly, per block...) and optionally project the final value and gain of a deposit over N days. Useful to compare DeFi yields.
Output
Returns a JSON object with the converted rate (both apr_pct and apy_pct), the compounding frequency label (e.g. 'diaria'), number of compounding periods per year, and optionally the projection days, deposit capital, final value, and gain if capital was provided.
Example use cases
DeFi staking yield comparison
“I'm comparing two DeFi pools — one advertises 8% APR with daily compounding and another shows 8.2% APY. Convert the 8% APR to APY using 365 compounding periods so I can see which one actually pays more.”
Lending deposit projection
“If I deposit $5,000 into a protocol offering 12% APY, how much will I have after 180 days? Assume it's already expressed as APY so just project the final value and my gain.”
Continuous compounding effective rate
“A liquidity pool quotes 15% APR with continuous compounding — what's the equivalent APY? Use 0 compounding periods to indicate continuous.”
Technical details
Endpoint
POSThttps://api.vextorium.com/apr-apy-pago?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to compare DeFi or TradFi yields expressed as APR vs APY, especially across different compounding frequencies (daily, hourly, per block, continuous). It is ideal for agents that need to normalize yield figures before ranking protocols or projecting investment outcomes, and supports the full range of compounding frequencies including continuous (0 periods).
Side effects
- Missing required tasa_pct field returns a validation error
- Invalid or unrecognized 'de' enum value (not 'apr' or 'apy') causes a bad request
- Negative or zero rate values may produce unexpected mathematical results
- Extremely large compounding periods may behave like continuous compounding
- Non-numeric capital or days fields cause schema validation failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"dias": 365,
"apr_pct": 10,
"apy_pct": 10.515578,
"capital": 1000,
"ganancia": 105.155782,
"frecuencia": "diaria",
"valor_final": 1105.155782,
"capitalizaciones_anio": 365
}
}Tags
x402
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