balance reflects the top-up on success.
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.
Move USD from your card wallet onto a card.
balance reflects the top-up on success.
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.