JSPM

🧾 Designed for 0x integrators: This library parses 0x transactions on EVM blockchains into a format that is both user-friendly and easy to understand.

Complete library for deploying and managing KAMI NFT contracts with truly gasless transactions using EIP-4337 Account Abstraction. Now compatible with OpenZeppelin Contracts v5.

Private DeFi MCP server. 12 tools. ZK proofs. Gasless. Every DeFi primitive on Base — privately.

Private on-chain execution for agents. Anonymous wallets, gasless transactions, ZK-proven privacy on Base, BSC, and Arbitrum.

Server SDK for gasless Starknet wallets — wallet provisioning, payments, SKU purchases, and crypto remittances

Chipi SDK for Next.js applications with server-side support

Give your AI agents a wallet they can't drain. TypeScript SDK for Axon Finance.

x402 Payment SDK - Gasless crypto payments across 21 blockchains via Ultravioleta facilitator. Supports EVM (including Scroll, SKALE Base), Solana, Fogo, Stellar, NEAR, Algorand, and Sui. Features: ERC-8004 Trustless Agents, Escrow/Refunds, multi-stableco

React hooks and components for Chipi SDK

A simple package to manage BIP-32 wallets for the TON blockchain, which implement the gasless functionality

Cavos SDK - Session-key based wallets with OAuth and cloud storage for React

AI-native Starknet DeFi CLI + MCP Server + Agent Skills — Swaps, multi-swap, batch (multicall), staking, lending, DCA, confidential transfers, simulation, portfolio, gas abstraction

Drop-in Unicorn wallet integration for existing web3 apps. Works alongside your existing wallet setup (RainbowKit, Wagmi, Web3Modal, etc.) without modifying any code.

Multi-chain sweep and paymaster SDK: EVM, Solana, Tron. Gasless transactions for your users.

Chipi SDK for React Native and Expo applications

Shared utilities and helpers for Chipi SDK packages

VelumX Gas Abstraction Layer SDK for dApps

Gasless wallet primitives for Starknet — TxBuilder, SignerAdapter, TokenRegistry, and account abstraction core

Gasless transactions for AI agents and Web3 apps — pay gas in stablecoins or native EVM coins across any chain via Universal Gas Framework

SDK for ERC-4337 Gasless Transfers

ERC-4337 gasless transactions for EVM chains — powered by WDK

Passkey authentication for Starknet wallets — WebAuthn, biometric login, and seedless key management

Kalp MPC Wallet SDK - Sign and execute blockchain transactions using Multi-Party Computation (MPC) threshold signatures

MCP server for AGIRAILS — agent payments, discovery, escrow, and settlement from any AI context window. Works with Claude Desktop, Cursor, VS Code, Windsurf, and any MCP-compatible client.

Veridex Protocol SDK - Client library for Passkey-based cross-chain authentication

Plug-and-play ERC-4337 Account Abstraction for React apps. Gasless txs, social login, smart accounts — without the complexity.

Secure embedded wallet SDK for EVM chains — AWS KMS-backed signing via iframe widget

React hooks for gasless USDT transfers — powered by gasfree-kit

DONGJEON402 (DJEON402) - Enterprise-grade gasless payment token contracts with EIP-3009 (x402) support

Chain-abstracted stablecoin payment intents — powered by gasfree-kit

Transform your AI assistant into an autonomous crypto trading agent with real-time market analysis, portfolio management, and seamless trade execution across 17+ blockchains

Multi-chain gasless transaction SDK with C-Address (Soroban Smart Account) support for Stellar, Aptos & more

Aragon DAO Gasless Voting Plugin SDK

TypeScript SDK for ERC-4337 Account Abstraction smart wallets. Gasless transactions, social logins, passkeys, session keys, multi-factor auth, and account recovery.

Launch tokens on ThryxProtocol -- the AI Agent Launchpad on Base

MCP server for cross-chain bridges between Solana and Base via ClawSwap

Multi-chain Bitcoin wallet SDK for RSK, BSC, Lightning swaps, Liquid swaps, and Submarine swaps

Core TypeScript SDK for SBC Account Abstraction infrastructure

MCP server for AI agents to deploy ERC-20 tokens on Base with zero gas fees via CDP Paymaster. Gasless smart contract deployment for autonomous agents.

Self-hosted TypeScript gas sponsorship library for Sui

Veridex Protocol SDK - Client library for Passkey-based cross-chain authentication

The Aarc SDK is a TypeScript library that makes it easy for developers to transfer assets from Externally Owned Accounts (EOA) to any destination address. It simplifies the asset transfer process by supporting various token standards, such as ERC20 and ER

JavaScript SDK and CLI tool for x402 Facilitator Network - Make gasless USDC payments on multiple chains

Settlr SDK — Global payout infrastructure. Pay anyone, anywhere, with just their email. One API call sends USDC, recipient claims with any Solana wallet. Batch payouts, webhooks, hosted claim page.

MCP server for 0xGasless smart accounts with gasless blockchain operations. Directly connects to Claude Desktop

Gasless USDT0 payments with Tether WDK and ERC-4337 Account Abstraction

BNBPay SDK - Gasless x402 Flex payments via BNBPayRouter with Permit2, EIP-2612, EIP-3009 for BNB Chain and opBNB. Includes x402 route integration for API monetization.

MCP server for SmoothSend — enables AI assistants to help developers integrate gasless transactions on Aptos

JavaScript SDK and CLI tool for x402 Facilitator Network - Make gasless USDC payments on multiple chains

MCP server for 0xGasless smart accounts with gasless blockchain operations. Directly connects to Claude Desktop

UGF gasless payment component for React — let users pay gas in stablecoins across EVM chains

TxFlow SDK for gasless transactions (powered by Viem)

NERO Account Abstraction (AA) Wallet - A social login wallet with gasless transactions for Web3 applications

Universal Agent SDK combining ERC-8004 identity/reputation with x402 gasless payments across chains

KiroroLabs Social-Native Auth & Web3 SDK for Threads + Multi-Chain

SwiftRail gasless checkout SDK for Arbitrum

The relayer SDK that provides gasless execution (meta-transactions) for the hazBase stack.

Provides `gasless` execution methods

Migrator is a TypeScript library that makes it easy for developers to transfer assets from Externally Owned Accounts (EOA) to any destination address. It simplifies the asset transfer process by supporting various token standards, such as ERC20 and ERC721

React Provider and Hooks for TxFlow SDK

Aragon DAO Gasless Voting Plugin contract definitions for ethers.js

Transform your AI assistant into an autonomous crypto trading agent with real-time market analysis, portfolio management, and seamless trade execution across 17+ blockchains

Secure embedded wallet SDK for EVM chains — AWS KMS-backed signing via iframe widget

Universal Gas Framework SDK for gasless payments - pay TON transaction fees with STON token

A TypeScript SDK for enabling gasless token transfers on Mantle EVM using meta-transactions and permit-based approvals

Mexa SDK to enable meta transaction in your DApps

React hooks and components for SBC Account Abstraction

Migrator is a TypeScript library that makes it easy for developers to transfer assets from Externally Owned Accounts (EOA) to any destination address. It simplifies the asset transfer process by supporting various token standards, such as ERC20 and ERC721

Gasless payments for AI agents using MNEE. SDK for the x402 protocol with USDC-to-MNEE bridge support.

🚀 Ultra-simple cross-chain wallet SDK - Initialize with just projectName + apiKey. Bulletproof gasless transactions across EVM/SVM chains with ANY social identifier support

GASdf SDK - Add gasless transactions to your Solana app

Transform your AI assistant into an autonomous crypto trading agent with real-time market analysis, portfolio management, and seamless trade execution across 17+ blockchains

Self Protocol + x402 payment widget for React applications - Proof-of-unique-human verification with gasless USDC payments on Celo

Gasless smart accounts for ERC-8004 agent registration via CDP Paymaster

BORE mining CLI - agent-first, gasless by default, post-quantum AL8 PoW on Base

Gelato plugin for ElizaOS that enables gasless smart contract interactions via Gelato Relay

Gasless x402-style payments (BNB • USDx) — request→permit→settle→unlock.

Gasless Dai transfers for browser & Node.js

Agent wrapper for automatic x402 payment handling in CASM (Cronos Agentic Service Mesh)

ChainSafe Gasless Transaction as a Service client

JavaScript/TypeScript SDK for Dexodus perpetual futures trading platform on Base - Simplified Configuration

Cavos SDK for React Native - Invisible crypto infrastructure with native passkeys

Zero-config starter kit for dApps on Arc with passkey authentication and gasless USDC transactions

Meta-transaction SDK for gasless Ethereum transactions using EIP-712 signatures

AI-Powered Onchain SDK for Wallets, Gasless Transactions & Compliance with HIRO Stacks.js integration

CryptoMomo Developer SDK - Build web3 applications with Account Abstraction and gasless transactions

Agent Gas Station SDK - Pay Cronos gas fees with USDC

TypeScript SDK for interacting with the X402 ApeChain facilitator - gasless EIP-2612 permit payments

Styx Stack SDK - Complete Privacy SDK for Solana Apps

VeGate SDK for gasless payments on VeChainThor with B3TR rewards

Starknet wallet provider for React apps using Privy authentication and AVNU paymaster

VeGate SDK for payments on VeChainThor with B3TR rewards

Provides `gasless` execution methods

SDK for interacting with UniswapPaymaster - pay for transactions with any token via Uniswap V4

Gasless cross-chain USDC transfer SDK

Vincent abilities for Volvi Options Protocol - gasless options trading powered by Lit Protocol

Core FOC Engine functionality for Starknet dApps - no React dependencies

Gasless transactions SDK for Solana

Universal Safe3Devs QR Deploy SDK with Coinbase Smart Wallet support. Deploy contracts using passkey/biometric authentication, ethers.js, viem, and WalletConnect QR signing.

Gasless transactions SDK for Solana

A Solana adapter for Gasless Relayer

Production-ready SDK for gasless transactions on Solana

JavaScript SDK for TBUSD gasless transfers

Celo wallet with USDC support and gas fee sponsorship

Gasless x402 facilitator using Alchemy Account Abstraction - Enable gasless USDC payments for your x402 resource servers

MoneyOS smart-account primitives: account contracts, EIP-712 intent signing, nonce lanes, and the gasless relay client.