Cards
Issue Visa debit cards tied to dollar account balances. Customers spend at 175M+ merchants; interchange flows back to your platform.
Lightspark API
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Capabilities / Cards
Hold BTC, stables, or dollars. Spend anywhere. Lightspark issues cards that convert your balance to local currency when you tap. Swipe to explore.
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Technical specs
01
Overview
Issue Visa debit cards tied to Global Account balances. Virtual or physical. Customers spend at 175M+ merchants worldwide; the Lightspark API converts the balance to local currency when they tap. Interchange revenue flows back to your platform.
02
Cards
- NetworkVisa
- FormatVirtual or physical debit cards
- Acceptance175M+ Visa merchants
- Funding sourceSpend from the customer Global Account balance
03
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
04
Revenue
- InterchangePlatform earns a share of Visa interchange on every transaction
05
API
- 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
06
Integration
- Time to launchWeeks
- BrandingYour brand and product surface
- EconomicsReserve rewards, card interchange, FX margin, and transaction fees accrue to the platform
- ComplianceLightspark MSB, hosted KYC/KYB, or bring your own
- PricingCustom