Openocean Widget for cross-chain bridging and swapping. It will drive your multi-chain strategy and attract new users from everywhere.
Accept x402 crypto payments across 29 chains — every major EVM chain plus Solana, TON, Tron, NEAR, Sui, Aptos, Algorand, Stellar & XRPL — in a couple of lines. No backend, no database, no fee; payments settle straight to your wallet.
SDK for cross-chain USDC deposits, spending, and balance queries
Simplified client SDK for Smart Engines multi-chain infrastructure
Cavos Kit - device-native verifiable smart accounts (secp256r1 device signers). Starknet first, multi-chain by design.
MCP server for AI agents — Stacks, Celo, Base in one package
MetaMask Multichain Account API
LI.FI Widget Light - a lightweight version of the LI.FI Widget for cross-chain bridging and swapping.
Official TypeScript SDK for the Spectrum Nodes API — blocks, gas, balances, tokens, DeFi yields, and JSON-RPC across 18+ chains.
MetaMask SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic moder
Unified, framework-agnostic TypeScript SDK for multi-chain wallet and multisig operations (EVM, Solana, Tron, Bitcoin, Cardano, XRP).
LI.FI Widget for cross-chain bridging and swapping. It will drive your multi-chain strategy and attract new users from everywhere.