# Lightspark > Payments infrastructure for digital banks, wallets and exchanges Lightspark helps businesses send and receive payments by providing Bitcoin Lightning Network infrastructure and open payment protocols. Lightspark helps financial institutions and businesses send and receive payments globally by providing Bitcoin Lightning Network infrastructure and open protocols. It allows users to access Lightning payments, build self-custodial wallets, and integrate cross-border payment solutions, reducing costs and complexity in digital payments. - Type: Company - Sector: Infrastructure - Status: Active - Founded: 2022-04-01 - Profile: https://thegrid.id/profiles/lightspark ## Products - [Spark](https://thegrid.id/profiles/lightspark): Spark is a Bitcoin Layer 2 protocol that enables wallet development and stablecoin issuance with native Bitcoin support. The system provides developer tools and infrastructure for building self-custodial wallets and launching digital assets on Bitcoin. (L2, Live) - [GridSwitch](https://thegrid.id/profiles/lightspark): GridSwitch enables real-time payments through domestic payment systems, allowing regulated institutions to move money in any currency globally. The platform connects traditional banking infrastructure with modern payment rails for 24/7 cross-border transfers. (Payment network, Live, Main Product) - [Universal Money Address (UMA)](https://thegrid.id/profiles/lightspark): UMA (Universal Money Address) is a messaging protocol that enables compliance-ready cross-border payments using email-like addresses. The system facilitates Travel Rule compliance and regulatory requirements for financial institutions while maintaining Lightning Network interoperability. (Social Payments, Live) - [Spark Wallet SDK](https://thegrid.id/profiles/lightspark): Spark Wallet SDK enables developers to create self-custodial Bitcoin wallets with native Lightning Network support. The system provides authentication, key management, and transaction capabilities for building wallet applications with minimal code. (Embedded Wallet, Live) - [Lightspark SDK](https://thegrid.id/profiles/lightspark): Lightspark SDK provides developers with APIs and libraries for Lightning Network integration across multiple programming languages. The toolkit enables businesses to build Bitcoin payment functionality into applications without managing Lightning infrastructure directly. (Developer Tooling, Live) - [Lightspark Connect](https://thegrid.id/profiles/lightspark): Lightspark Connect provides Lightning Network infrastructure through managed nodes and APIs, enabling businesses to send and receive Bitcoin payments without managing Lightning complexity. The system handles liquidity, routing, and channel management while offering enterprise-grade security and compliance features. (Payments Infrastructure & Orchestration, Live) ## Links - [Main](https://www.lightspark.com) - [Documentation](https://docs.lightspark.com) - [Blog](https://www.lightspark.com/blog) - [Privacy policy](https://www.lightspark.com/privacy-policy) - [Terms of Service](https://www.lightspark.com/terms-of-use) - [GitHub](https://github.com/lightsparkdev) - [Twitter / X](https://x.com/lightspark) - [GitHub](https://github.com/buildonspark) - [GitHub](https://github.com/uma-universal-money-address) - [YouTube](https://www.youtube.com/@lightsparkdev) - [LinkedIn](https://www.linkedin.com/company/lightspark-group) - [Twitter / X](https://x.com/spark) ## Relationships - [Striga](https://thegrid.id/profiles/striga): Subsidiary ## Legal This data is provided under two licensing models. Model 1 - open data. The open data core is licensed under the Open Database License (ODbL) — a copyleft/share-alike license allowing free use, modification, and sharing for any purpose. 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