Rain

• Name: Rain
• URL: https://www.rain.xyz/
• Category: stablecoin card-and-wallet control plane / issuing and settlement operator / wallet-and-ramp infrastructure
• Tags: ethereum-ecosystem solana-ecosystem stellar-ecosystem
• Summary: Rain is a real operator stack for stablecoin card programs. The card is the wrapper. The substance is issuer access, wallet and account plumbing, fiat-stablecoin conversion, payout routing, settlement, and compliance state carried for partners.
• What it does:
  • Issues stablecoin-linked Visa card programs for fintechs, wallets, neobanks, enterprises, and crypto platforms
  • Provides embedded wallets / digital-dollar accounts that connect directly to cards and support stablecoin balances, optional yield, and customizable user experiences
  • Offers money-in and money-out modules for fiat-to-stablecoin conversion, cross-border payouts, and local-currency off-ramping
  • Supports multi-chain stablecoin operations across networks such as Ethereum, Solana, Stellar, Base, Arbitrum, Optimism, and Avalanche
  • Runs settlement infrastructure that Rain says allows Visa settlement in USDC seven days a week and supports tokenized credit-card receivables financing
• Key claims:
  • The homepage and product pages say Rain offers one API for cards, wallets, on-ramps, and off-ramps aimed at global fintech and platform partners
  • The cards page says Rain is a Visa Principal Member, supports both fiat- and crypto-backed replenishment flows, and can launch partner programs in weeks rather than months
  • The technology page says Rain settles directly with Visa in USDC, tokenizes credit-card receivables, and stays stablecoin-agnostic across multiple chains
  • The Western Union Digital Asset Network announcement frames Rain as infrastructure connecting stablecoin wallets to local cash-out distribution
  • The legal footer explicitly says Rain is a financial-technology company, not a bank, exchange, or asset custodian, and that payment products are provided with licensed institutions
• Whitepaper: No canonical Rain whitepaper or litepaper surfaced in this pass, and the public docs portal appears access-restricted. The clearest current source of truth is the official marketing/product site plus first-party resource announcements and legal disclosures collected in ../whitepapers/rain-primary-sources-2026-04-27.md.
• Sources:
  • https://www.rain.xyz/
  • https://www.rain.xyz/cards
  • https://www.rain.xyz/accounts
  • https://www.rain.xyz/money-in
  • https://www.rain.xyz/money-out
  • https://www.rain.xyz/technology
  • https://www.rain.xyz/legal-center/legal
  • https://www.rain.xyz/resources/rain-and-visa-partner-to-accelerate-onchain-credit-cards
  • https://www.rain.xyz/resources/rain-joins-western-unions-digital-asset-network-bringing-real-world-payment-utility-to-stablecoins
  • https://www.rain.xyz/resources/rain-expands-support-to-solana-and-stellar-enabling-more-partners-to-launch-stablecoin-powered-card-programs

Internal linkages

• Best upward reads: gnosis-pay and openpayd.

Control surface

• Practical authority sits in partner onboarding, program configuration, settlement timing, fiat-stablecoin conversion, payout routing, and whatever wallet or account layer Rain operates for the partner.

• Visa membership and USDC settlement matter because they show where Rain is more operator infrastructure than generic card middleware.

• Read Rain as payments-control middleware first and a branded crypto-card program second.

• Last reviewed: 2026-06-04 UTC