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Stablecoin & Yield Option Comparator
x402
Stablecoin & Yield Option Comparator is a paid API for AI agents from x402toll.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Ranks up to 10 stablecoin or yield-bearing options by projected return over a specified time horizon given each option's APY.
Price / call$0.05
Success—
StatusUnknown
How this service works
Rank up to 10 stablecoin/yield options by projected return over a horizon at each stated APY.
Output
A ranked list of up to 10 yield options ordered by projected return over the specified horizon, showing each option's name, APY, and calculated earnings on the given principal in USD.
Example use cases
Example prompt
“I have $10,000 to put into crypto yield products — compare these 5 options over 2 years: USDC on Coinbase at 4.5% APY, Aave USDC at 6.2%, Morpho at 7.1%, Sky Savings at 5.8%, and Compound at 5.3%. Rank them by projected return.”
Technical details
Endpoint
POSThttps://x402toll.com/v1/crypto/yield-compareWhen to prefer
Use this endpoint when a user wants to compare multiple crypto yield or stablecoin savings products side-by-side ranked by projected return. Ideal for DeFi portfolio decisions, stablecoin allocation choices, or any scenario requiring a ranked APY comparison across several options over a specific time horizon. Prefer over manual calculations when 3+ options need to be evaluated at once.
Side effects
- Missing required apyPct field in one or more options — returns 400 validation error
- More than 10 options submitted — exceeds maxItems constraint
- No options provided — fails minItems:1 constraint
- Non-numeric apyPct or years values — schema validation error
- Insufficient USDC balance for $0.05 payment — x402 payment failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| years | number | |
| options | array | |
| principalUsd | number |
Tags
x402
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