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Built for
Modern Payments
Payment infrastructure designed for speed, simplicity,
and the next generation of global commerce.

Seamless From Start to Finish.
Modern payment infrastructure that connects crypto wallets to your checkout flow. Built for speed, simplicity, and scale.
Lower Fees. Higher Margins.
Reduce payment processor fees by 65% and eliminate credit card fees entirely. Calculate your savings below with transparent, predictable pricing.
$
Transaction Fees with Grain
$
Traditional Payment Processor Fees
$
Traditional Payment
Processor Fees
$
Transaction Fees
with Grain
10$
1,000$
Frequently asked questions.
Grain is payment infrastructure that enables businesses to accept cryptocurrency while receiving traditional currency settlements. We handle conversion, compliance, and technical complexity automatically.