Alby
Lightning wallet API for micropayments and web monetization.
Open Source
Free
Freemium
10 APIs
Circle
USDC issuance, treasury, and programmable wallet APIs.
Free
Freemium
LND
Lightning Network daemon for channels, invoices, and Bitcoin payments.
Open Source
Free
Marble
Card issuing and payment card infrastructure APIs.
Cards: Card Issuing, Virtual Cards, Payroll
What can you build?
- Crypto neobank
- Payroll app
Free
Freemium
MoonPay
Global crypto onramp for fiat gateways and token purchases.
Free
Freemium
Rain
Card issuing and payment infrastructure for crypto-native apps.
Cards: Card Issuing, Virtual Cards, Payroll, Payments
What can you build?
- Crypto neobank
- Payroll app
Free
Freemium
Request Network
Crypto invoicing and payment requests onchain.
Payments: Payments, Payroll, Stablecoins
What can you build?
- Crypto payroll
- Invoice financing
Open Source
Free
Freemium
Stripe
Payment processing and financial infrastructure APIs.
Free
Freemium
TON SDK
SDK for The Open Network and Telegram-native mini app payments.
Open Source
Free
Transak
Fiat onramp API for buy-crypto flows and NFT checkout.
Free
Freemium