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Money in the Spritz API is always a decimal string, never a number. Fiat amounts are formatted with two decimal places, like "100.00" or "1000.50". Representing money as strings avoids the rounding errors that come with floating-point numbers.

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Working with amounts

  • Send and receive amounts as strings: "100.00", not 100 or 100.0.
  • Parse them with a decimal or big-number type, never a native float. Summing or comparing floats can silently lose cents.
  • Every fiat amount comes with a currency alongside it.

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Currencies

Fiat amounts use ISO 4217 currency codes. Spritz currently works with USD, CAD, EUR, and GBP. See What we support for the rails and regions behind each.

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On-chain amounts

Amounts you send or receive on-chain follow each blockchain’s own conventions, so a token value in transaction parameters may be in the token’s base units rather than a decimal string. Use the values exactly as the API returns them when building the transaction, and check them against the human-readable fiat amounts in the quote. See the off-ramp guide and the API Reference for the fields on each endpoint.