Lightning Service Providers Adopt Shared LSPS Specs to Simplify Wallet Integration

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The Lightning Service Provider Specifications (LSPS) are a set of open standards designed to replace the fragmented, proprietary protocols previously used by individual Lightning Service Providers. Before LSPS, wallet developers had to build and maintain separate integrations for each LSP, such as Lightning Labs' Loop, Boltz, and Voltage. As of July 2026, three specifications — LSPS0, LSPS1, and LSPS2 — are active, with LSPS2 also adopted into the broader BOLT process as bLIP-52. LSPS0 establishes the communication foundation by using JSON-RPC 2.0 over Lightning's existing peer-to-peer messaging layer, eliminating the need for new network connections or separate authentication. The standards are particularly relevant for solving the inbound liquidity problem, where new Lightning users cannot receive payments until an LSP opens a channel for them.

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