# Use Case Guides

In addition to the core development guides above, we also provide complete use case examples that demonstrate end-to-end workflows:

### 💵 Payments - Collections

Accept payments from customers via various payment methods.

[View Collections Guide →](/guides/payments_collections)

### 🔼 On-Ramp

Enable customers to send fiat currency, buy cryptocurrencies, and hold or withdraw digital assets.

**Complete Flow:**

1. Authenticate
2. Create fiat and crypto accounts
3. Deposit fiat funds
4. Exchange fiat for crypto
5. Withdraw crypto to external wallet


[Start the On-Ramp Guide →](/guides/fiatonramp)

### 🔽 Off-Ramp

Allow customers to send digital assets, swap for fiat, and withdraw to bank accounts.

**Complete Flow:**

1. Authenticate
2. Create crypto and fiat accounts
3. Deposit crypto funds
4. Exchange crypto for fiat
5. Withdraw fiat to bank account


[Start the Off-Ramp Guide →](/guides/fiatofframp)

### 🏦 Wallet as a Service

Embed fully compliant digital currency wallets into your application.

**Features:**

- Multi-currency support
- Custody with qualified custodians
- Deposit, hold, transfer, exchange, and withdraw


[Start the Wallet Guide →](/guides/buysellhold)