Card endpoints use the same base URL and API key as the rest of the API, and are signature-gated: sendX-Numero-SignatureandX-Numero-Signature-Version: v2as well. See Request signing.
Cards
Card Transactions
Retrieve the spend statement for a card.
Returns a card’s transaction history (settlements, refunds, cross-border, declines…). This is the per-card statement; your USD card-wallet transactions (funding, top-ups, fees) are separate.
Signature required: Yes