# Sardine

SecureBarndoor Managed Finance & Accounting

**Summary:** Access Sardine Payments APIs for customer onboarding, quotes, coverage discovery, payment methods, orders, and support workflows.

**How Teams Use It:** The Barndoor Sardine MCP Server enables agents to onboard customers with real-time fraud risk scoring and retrieve crypto quotes, order details, and payment methods, making it efficient for building compliant crypto on/off-ramp workflows.

## Tools

| Tool Name                | Tool Description                                                                                                                                                                                                                                                                                   | Tool Type |
|--------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------|
| create_client_token      | Exchange your `clientId` and `clientSecret` for a `clientToken` that can be used in frontend code. `clientToken` will be unusable after the `expiresAt` time, which will normally be after 30 min. If `reference_id` is passed, it will be passed to the Order object upon when the transaction happens. | Create    |
| create_customer          | Send user information to Sardine to store their data and create a fraud risk profile. Returns a risk `level` (low/medium/high/very_high) that merchants use to make fraud decisions during onboarding.                                                                                             | Create    |
| get_order                | Fetch information about an Order once it's completed. Order status can be one of: `Draft`, `Processed`, `Declined`, `UserCustody`, `Complete`, or `Expired`. Supports filtering by referenceId, externalUserId, and date range.                                                                     | Read      |
| get_quote                | Sardine returns a quote on the amount of cryptocurrency that can be purchased or sold (for off-ramp), along with the associated fees: Network fee (also known as "gas", paid to facilitate and validate the transaction) and Processing fee (covers Sardine's cost of money movement, fraud check and compliance). | Read      |
| list_enabled_tokens      | Fetch the list of crypto tokens currently enabled for the merchant integration.                                                                                                                                                                                                                  | Read      |
| list_fiat_currencies     | List fiat currencies supported by Sardine, including symbol, supporting countries, payment options, and transaction limits.                                                                                                                                                                    | Read      |
| list_geo_coverage        | Get the list of countries and regions where Sardine on/off-ramp is supported, including allowed document types and partner details per region.                                                                                                                                                    | Read      |
| list_orders              | Retrieve the list of orders placed by a user, with optional filtering by userId, status, and date range (ISO 8601 format).                                                                                                                                                                    | Read      |
| list_payment_methods      | Get information about a user's payment methods, including bank account details linked to their Sardine profile.                                                                                                                                                                               | Read      |
| list_supported_tokens    | Fetch the full list of crypto tokens and networks supported by Sardine.                                                                                                                                                                                                                       | Read      |