Sardine provides a complete on-ramp solution for both consumers and enterprises. Whether your users are buying crypto with a card or bank account, or your business is funding stablecoin wallets at scale, Sardine handles the full stack: Merchant of Record, KYC, compliance, payment authorization, order execution, and fraud liability. By combining our payments infrastructure with our risk and compliance platform, we enable partners to maximize approvals, reduce fraud, and deliver a seamless experience across consumer and enterprise use cases. Why choose Sardine?
  • Higher approval rates: Dynamic risk models and progressive limits let more good users transact and unlock higher purchase amounts.
  • Lower fees with less fraud: Embedded fraud detection and risk controls keep costs down while maintaining strong security.
  • Faster onboarding and retention: Reusable KYC reduces friction for end users and streamlines enterprise flows, so funds move faster with fewer abandoned transactions.

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On-Ramp in Action

Sardine powers on-ramps for some of the largest wallets and Web3 applications today. For example, Metamask integrates Sardine so users can instantly purchase crypto with a bank account or card - with higher approvals, lower fees, and fewer abandoned transactions. Watch how Metamask’s users buy crypto with Sardine
While wallets are the most visible use case, the same infrastructure also supports enterprise needs. Fintechs, stablecoin issuers, and institutions can use Sardine to fund wallets, treasuries, and payout flows at scale, with compliance and fraud protection built in.

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Next Steps