Issue Visa debit cards tied to dollar account balances. Customers spend at 175M+ merchants; interchange flows back to your platform.
Grid API
(0, 0, 0)
Capabilities / Cards
Hold BTC, stables, or dollars. Spend anywhere. Grid issues cards that convert your balance to local currency when you tap. Pan and zoom to explore.
Pan and zoom to explore
Technical specs
Overview
Issue Visa debit cards tied to Global Account balances. Virtual or physical. Customers spend at 175M+ merchants worldwide; interchange revenue flows back to your platform.
Cards
Visa debit cards tied to Global Account balances
- NetworkVisa
- FormatVirtual or physical debit cards
- Acceptance175M+ Visa merchants
- Funding sourceSpend from the customer Global Account balance
Card coverage
Card issuing in 33 countries
- Austria
- Belgium
- Bulgaria
- Croatia
- Cyprus
- Czech Republic
- Denmark
- Estonia
- Finland
- France
- Germany
- Greece
- Hungary
- Iceland
- Ireland
- Italy
- Latvia
- Liechtenstein
- Lithuania
- Luxembourg
- Malta
- Netherlands
- Norway
- Poland
- Portugal
- Romania
- Slovakia
- Slovenia
- Spain
- Sweden
- Switzerland
- United Kingdom
- United States
Revenue
Card economics flow back to the platform.
- InterchangePlatform earns a share of Visa interchange on every transaction
API
Quote, execute, webhook. Every rail.
- ProtocolREST, OpenAPI 3.1
- SDKsTypeScript, Kotlin
- AuthHTTP Basic (server-side), Passkeys / OIDC / Email OTP (end-user)
- Money movementQuote → execute → webhook. Same flow for every rail, every currency.
- SigningECDSA P-256, device-held keys, per-action payloadToSign
- IdempotencyIETF-spec Idempotency-Key on every mutation
- WebhooksSigned payloads, exponential retry, deduplicate by delivery ID
Integration
Timeline, ownership, and economics
- Time to launchWeeks
- BrandingYour brand and product surface
- EconomicsYield on balances, card interchange, FX margin, and transaction fees accrue to the platform
- ComplianceLightspark MSB, hosted KYC/KYB, or bring your own
- PricingCustom
