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The Cards API lets you issue virtual cards, configure spending limits and 3DS behavior, fund cards via a holding account, and retrieve transaction history. All endpoints are authenticated with the x-api-key header. Read operations typically require access level 1; write operations require access level 2 or higher, and sensitive operations (freeze, PIN update) require access level 3.
The minimum deposit amount for Cards is 10 USD.

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Resources

Virtual Cards

Create, list, update, freeze, reissue, and manage virtual cards.

Transactions

Search card transactions and export PDF statements.

Holding

Inspect and withdraw from your card holding account.

Account

Configure account-level settings such as purchase rate limits (velocity rules).

Webhook Simulation

Simulate provider webhooks in non-production environments.