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Money OpenVerbs Round
x402
Money OpenVerbs Round is a paid API for AI agents from money.openverbs.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Rounds a numeric monetary amount to a currency's minor units using a specified rounding mode (banker's, half-up, half-down, ceil, floor, or trunc).
Price / call$0.002
Success—
StatusUnknown
How this service works
Round an amount to a currency's minor units (or an explicit minorUnits) with a chosen rounding mode: half-even (banker's, default), half-up, half-down, ceil, floor or trunc. Give a currency to derive minor units automatically (USD→2, JPY→0).
Output
A rounded numeric value aligned to the specified currency's minor units (or the explicit minorUnits count), computed using the chosen rounding mode. For example, 19.455 in USD with half-even returns 19.46.
Example use cases
Normalizing prices before checkout
“I have a calculated price of 12.3456 for a USD transaction — can you round it to the correct cent precision using half-even (banker's rounding)?”
Handling zero-decimal JPY amounts
“Round 1345.7 yen to the right number of decimal places for JPY — it should have no minor units.”
Ceiling rounding for tax calculations
“I need to round 8.3312 up to the nearest cent for a tax figure in USD — use ceiling rounding and 2 minor units.”
Technical details
Endpoint
POSThttps://money.openverbs.com/v1/roundWhen to prefer
Use this endpoint when you need deterministic, standards-compliant monetary rounding with full control over rounding mode, especially when working with multiple currencies and needing to respect their official minor-unit precision. Prefer it over generic math rounding when financial correctness matters (e.g. avoiding floating-point errors) or when you need banker's rounding (half-even) for regulatory or accounting compliance.
Side effects
- Missing required 'amount' field returns a validation error
- Invalid currency code (not ISO 4217) may cause an error or be ignored
- minorUnits out of range (>8 or <0) returns a validation error
- Non-numeric amount returns a schema validation error
- Unrecognized rounding mode enum value returns a validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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