Collaborative Payment Distribution on Stellar
SplitPay is an automated, non-custodial payment splitting protocol powered by Soroban smart contracts. Funds are distributed atomically and mathematically verified in a single transaction.
Core Protocol Invariants
Formal guarantees implemented in Rust and verified by comprehensive automated test suites.
10,000 Basis Points Rule
Pools strictly require member shares to sum to exactly 10,000 BPS (100.00%). Floating-point division is forbidden to ensure deterministic integer execution.
Deterministic Remainder Handling
Integer division differences are deterministically awarded to the primary member (index 0). Zero stroops are lost; sum of distributions equals the gross payment.
Immutable Distribution Snapshots
Payment settlements snapshot the active pool split at execution time. Future changes to members or shares never alter historical disbursements.
The SplitPay Ecosystem
Modular architecture organized under the Splitpayx organization.
splitpay-contracts
Soroban smart contract written in Rust. Enforces on-chain pool rules, SEP-41 token transfers, and immutable distributions.
splitpay-web
Next.js App Router web application with native Freighter wallet connection, dev keypair signer, and interactive pool management.
splitpay-mobile
React Native mobile client planned to deliver native wallet signing and pool monitoring on iOS and Android devices.
splitpay-sdk
Typed TypeScript client implemented in web library (SplitPayContractClient), with standalone npm package planned.
splitpay-api
Optional off-chain indexing and notification service. All financial settlement rules remain strictly on-chain on Stellar.
Current Platformsplitpay-docs
Official developer documentation hub for SplitPay protocol specifications, contract interfaces, guides, and integration tutorials.