| Base App | Users and builders who want the native Base consumer entry point. | Consumer app; fees depend on transactions and integrated services. | Yes | Base | Organic |
| Base Account SDK | Base builders who want account, identity, and payment UX without asking users to install a separate wallet first. | Developer SDK; app costs depend on transactions, sponsorship, and integrated services. | Public documentation and SDK access are available; transaction costs vary. | Base, Ethereum, Arbitrum, Optimism | Organic |
| Rain | Companies looking at card issuing and stablecoin-linked spend. | Business pricing depends on product and volume. | No public self-serve free tier verified. | Stablecoin and card-payment programs | Organic |
| Stripe Stablecoin Payments | US businesses already using Stripe that want stablecoin acceptance inside familiar payment operations. | Stripe payment method pricing and availability depend on account, region, and product setup. | No separate free tier; Stripe account and payment-method access are required. | Base, Ethereum, Solana, Polygon | Organic |
| Coinbase Commerce | Merchants comparing onchain checkout products and Coinbase ecosystem payment rails. | Public commerce page describes a transaction fee; confirm current terms before launch. | No public free tier verified. | Onchain payment protocol, USDC settlement | Organic |
| Circle Payments Network | Financial institutions and payment platforms evaluating stablecoin settlement for cross-border payments. | Institutional access and pricing depend on Circle engagement and payment flow. | No public self-serve free tier verified. | USDC-supported blockchains, Circle payment rails | Organic |