📖Introduction
👋 Welcome to JOIN
JOIN is an all-in-one Fiat Ramp and Wallet API. We help fintechs, exchanges, DAOs, and institutions integrate fiat SEPA rails and multi-network wallets directly into their products.
With JOIN Bank you can:
On/Off-Ramp with SEPA: deposit and withdraw EUR or USD to/from crypto.
Create & manage wallets programmatically across multiple blockchains (EVM, BTC, Solana, and many others).
Monitor balances and transactions in real-time with our Portfolio Indexor.
Stay compliant: built-in KYC/KYB, transaction checks, and audit logs.
Secure by design: MPC technology + JOIN smart wallet
Whether you are building a consumer app, an exchange, or managing a crypto treasury, JOIN API gives you the tools to move seamlessly between fiat and crypto.
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