Minimum order sizes

Minimums on Rio are always in the currency you are receiving. For a buy order, the minimum is in the crypto you are purchasing; for a sell order, it is in the fiat currency you’re selling your crypto for.

Currency	Crypto / Fiat code API	Minimum order size
USDC (Ethereum)	USDC	$1.00 USDC (Ethereum)
USDC (Polygon)	USDC_POLYGON_NXTB	$1.00 USDC (Polygon)
USDC (Solana)	SOL_USDC_PTHX	$1.00 USDC (Solana)
USDC (Stellar)	XLM_USDC_5F3T	$1.00 USDC (Stellar)
USDC (Base)	USDC_BASECHAIN_ETH_5I5C	$1.00 USDC (Base)
USDC (Tempo)	USDCE_TEMPO_MXYR	$1.00 USDC (Tempo)
USDT (Ethereum)	USDT_ERC20	$1.00 USDT (Ethereum)
USDT (Polygon)	USDT_POLYGON	$1.00 USDT (Polygon)
USDT (Tron)	TRX_USDT_S2UZ	$1.00 USDT (Tron)
USDT (BSC)	USDT_BSC	$1.00 USDT (BSC)
Mexican Peso	MXN	$20.00 MXN
Peruvian Sol	PEN	$4.00 PEN
Colombian Peso	COP	$6,000.00 COP
US Dollar (Mexico and Peru)	USD	$10.00 USD

Disclaimer: All technical documentation is subject to the terms and conditions, which apply supplementarily and take precedence over the documentation.

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Minimum order sizes