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HeyQO LLC - Mastercard Issuing API — Virtual Mastercard Programs Top

Mastercard issuing

Mastercard Issuing API — Virtual Mastercard Programs

Build Mastercard-powered spend products with HeyQo's issuing API — ideal for payroll cards, ad spend, and cross-border fintech apps.

Mastercard virtual cards are widely used for advertising platforms, SaaS subscriptions, and controlled B2B spend. HeyQo provides programmatic issuance alongside Visa in one integration.

Switch card brand per customer or product line without separate issuer contracts.

What HeyQo provides

  • Mastercard virtual card creation
  • Shared customer & KYC model with Visa
  • Fund, withdraw & freeze operations
  • Transaction history via API
  • Signed webhook events

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