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There are two ways to integrate Gelato Turbo Relayer into your application. Choose the approach that best fits your development workflow and requirements.

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Gelato Gasless SDK

The @gelatocloud/gasless SDK provides the simplest integration path for gasless transactions using Gelato Relay.
  • Simple transaction relay without smart account or implementing EIP-7702 Smart Account
  • Built-in support for sponsored and ERC-20 payment methods
  • Automatic gas estimation and transaction polling
npm install @gelatocloud/gasless

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Relay API Endpoints

For maximum flexibility or non-JavaScript environments, interact directly with Gelato’s Relay API endpoints.
  • Language-agnostic integration via standard HTTP requests
  • Full control over request/response handling
  • Supports sponsored and ERC-20 payment methods
  • Useful for backend services, mobile apps, or custom implementations
  • Requires manual transaction construction

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Code Examples

Throughout this section, code examples are presented in three tabs:
  • Gasless SDK - Using @gelatocloud/gasless for simple relay transactions
  • Gasless SDK with 7702 Smart Account - Using @gelatocloud/gasless with EIP-7702 smart account features
  • API Endpoints - Direct HTTP requests to Gelato’s Relay API