Engine

Engine provides a way to read and write to the blockchain at scale through simple API endpoints.

Engine

Engine is open-source. View and contribute to its source code on GitHub.

Features

Concurrent Transactions

Send multiple transactions at once with automatic nonce management

Avoid Transaction Failures

Resubmits stuck transactions, handling nonce values, gas settings, and RPC errors.

Wallet Management

Manage funds and send transactions without worrying about topping up gas fees.

Granular Access Control

Control access to server wallets via access tokens with specified permission scopes

Abstract Blockchain Complexity

Sponsor gas fees using built-in relayers and session keys to transact on behalf of users.

Offchain Integrations

Integrate with existing services to do onchain actions triggered from offchain events.

Programmatic Deployments

Deploy smart accounts, tokens, NFTs, marketplaces, and more.

Transaction Observability

Debug transaction failures with detailed timelines, onchain errors, and gas details.

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Engine Cloud vs. Dedicated

FeatureCloud ☁️Dedicated (Coming Soon)
WalletsServer WalletsServer Wallets, AWS, GCP, Circle
Database Backups30 Day Backups
InfrastructureSharedIsolated
Rate LimitsLimited by RPC PlanUnlimited
PricingSee pricing pageSee pricing page

Supported Chains

Engine is supported on every EVM compatible chain and private subnets. To view the full list, visit thirdweb chainlist.