Documentation
Opentip is an open-source tip jar on Base. Send crypto to the developers who build the tools you use.
How it works
Find a repo
Browse registered repositories or visit any repo page directly. Search by name or owner.
Connect & tip
Connect your wallet, check the AI-generated summary on the About tab, choose USDC or ETH, enter an amount, and send. Minimum tip is $1.
Developers claim
95% of every tip goes directly to the developer. They connect their payout wallet and claim anytime.
Quick facts
Platform fee
Minimum tip
L2 chain
Tip currency
Sections
Getting Started
How to tip a repository — connect a wallet, choose an amount, and send.
For Developers
Register your repo, set up a payout address, and claim tips.
Smart Contract
Full reference for the on-chain contract — functions, events, and security model.
API Reference
REST endpoints for repos, tips, profiles, and account management.
Architecture
System design, indexer, auth flow, and infrastructure.
Contributing
Self-host, run locally, or contribute to the codebase.
Resources
All links — contract, explorer, GitHub, social, and integrations.
Contact
Get in touch with the Opentip team.
Contract
Deployed on Base Sepolia (testnet):
0xeD13dB8234d437771e115419BF7498Ddef90Dc8DView on Basescan →