b402-sdk

Accept crypto payments with zero gas fees on BSC - USD1, USDT, USDC

v1.0.1 URL: https://unpkg.com/b402-sdk@1.0.1/dist/index.js

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b402 payments bsc binance-smart-chain usd1 usdt usdc meta-transactions eip-712

@alexroan/permit2-tron

Permit2 implementation for Tron - Next-generation token approval/meta-tx system

v0.0.5 URL: https://unpkg.com/@alexroan/permit2-tron@0.0.5

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permit2 tron trc20 tip-712 signatures meta-transactions token-approvals

courier-client-sdk

A gasless token transfer relayer.

v1.0.15 URL: https://unpkg.com/courier-client-sdk@1.0.15/dist/index.js

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relayer meta-transactions ethereum vercel courier

@smoothsend/sdk

Multi-chain gasless transaction SDK for seamless dApp integration

v1.0.0-beta.14 URL: https://unpkg.com/@smoothsend/sdk@1.0.0-beta.14/dist/index.js

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gasless transactions blockchain ethereum avalanche dapp web3 meta-transactions relayer multi-chain

gasless-core

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

v0.1.4 URL: https://unpkg.com/gasless-core@0.1.4/dist/index.js

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gasless meta-transactions erc20 mantle evm permit eip-712 eip-2612 typescript sdk