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HeyQO LLC - Virtual Card API — Issue Visa & Mastercard Programmatically Top

API d'émission de cartes

Virtual Card API — Issue Visa & Mastercard Programmatically

Launch a virtual card program without building issuer relationships from scratch. HeyQo Virtual Card API lets you provision, fund, and manage cards for each customer via REST.

Virtual cards are the fastest way to embed spend controls in fintech, marketplace, and payroll products. HeyQo exposes card creation, balance funding, withdrawals, freeze/unfreeze, and transaction events through a single API.

Each card is tied to a customer record with KYC metadata. Webhooks notify your backend on authorizations, settlements, and status changes — so your ledger stays in sync.

Start in sandbox with test credentials, then move to production with the same endpoint structure.

What HeyQo provides

  • POST /cards — issue Visa or Mastercard virtual cards
  • Fund & withdraw card balance via API
  • Freeze and unfreeze instantly
  • last4, PAN, CVV & expiry for card display
  • HMAC-SHA256 signed webhooks

Frequently asked questions

What is a virtual card API?

A virtual card API lets your software create digital payment cards programmatically for users, without manual bank processes.

Does HeyQo support both Visa and Mastercard?

Yes. Specify brand at card creation time via the API.

Ready to integrate?

Get sandbox API keys from the HeyQo merchant portal and start building with our REST API.

Lancez votre programme cartes — Sandbox HeyQo