Issue branded stablecoin balances, move them across supported chains, and settle to local bank rails. All orchestrated through one API.
Grid API
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Capabilities / Stablecoins
Issue your own stablecoin. Grid handles minting, redemption, and cross-chain settlement. Pan and zoom to explore.
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Technical specs
Overview
Issue branded stablecoin balances, move them across supported chains, and settle to fiat via local rails. Grid orchestrates the conversion between stablecoins, currencies, and payment networks automatically.
Stablecoins
Issue, move, and settle dollar balances
- Branded issuanceIssue your own branded stablecoin; user balances appear under your brand
- Cross-chain movementMove dollar balances across supported chains; dollars stay dollars
- Account settlementGlobal Account dollar balances are held in stablecoin form (USDB by default)
- OrchestrationGrid converts between stablecoins, fiat rails, and local currencies automatically. Your users only see a dollar balance.
Supported tokens
Stablecoins that flow through Grid
- USDC
- USDT
- USDB
Networks
Supported networks for stablecoin movement
- Arbitrum
- Avalanche
- Base
- Bitcoin
- Ethereum
- Lightning
- Optimism
- Polygon
- Solana
- Spark
- Stellar
- Tron
Security & controls
Authorization, compliance, and program controls
- AuthorizationOutbound movement requires the account owner to authorize from their device
- Session signingSession signing keys are short-lived; 15 minutes by default
- No unilateral movementNeither Lightspark nor the platform can unilaterally move customer funds
- Compliance operationsKYC, KYB, sanctions screening, risk review, and corridor requirements
- Security programSOC 2 Type II audited; NIST CSF–aligned controls
- LimitsApproval thresholds, velocity limits, payee controls
- AgentsBounded scopes, audit trails, real-time revocation
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
