Arbitrum
Developer tools, APIs, grants and opportunities within the Arbitrum ecosystem.
Overview
Deploy L2 apps with shared Ethereum tooling — RPC, indexing, and wallet APIs all support Arbitrum.
Resources
Featured APIs
View allAlchemy
Blockchain node infrastructure and developer APIs.
The Graph
Decentralized indexing for querying blockchain data via GraphQL.
WalletConnect
Open protocol connecting wallets to decentralized applications.
RainbowKit
React wallet connection library with polished UX.
Build Recipes
View allA Next.js application showing how to build an AI agent capable of performing onchain operations.
Example AI agent combining AgentKit with blockchain interactions for real-world crypto operations.
Commerce starter application for selling products onchain with wallet checkout and USDC payments.
Grants
View allArbitrum Grants
Arbitrum Foundation
Funding for developers building on Arbitrum One and Orbit chains.
Immunefi Bug Bounties
Immunefi
Paid bounties for finding and reporting vulnerabilities in crypto protocols.
ETHGlobal
ETHGlobal
Global Ethereum hackathon series with multiple in-person and online events each year.
Builder Intel
More intelNo builder intel posts tagged for this ecosystem yet.