QuickNode supports the following Base APIs on all endpoints. Using your Base endpoint, you can call any of the methods available in these APIs. For a complete list of supported RPC methods, refer to the documentation for each API.

Supported APIs

QuickNode provides access to the following supported Base APIs:

Ethereum JSON-RPC API

Core Ethereum protocol methods for blockchain interaction, account management, and transaction processing

Debug API

Development and debugging utilities for deep blockchain analysis and transaction inspection

Flashblocks API

Preconfirmation methods for sub-second transaction confirmations on Base, enabling ultra-fast signals before block finalization

Trace API

Transaction tracing tools for debugging smart contracts and analyzing internal transaction flows

OP-Node API

Optimism node data retrieval method for querying specific blockchain objects by hash identifier

Supported Networks

QuickNode provides access to the following Base networks:

Mainnet

Type:Production

Chain ID:

8453

HTTP:

WSS:

Archive:Yes

Pruning:None

Sepolia

Type:Testnet

Chain ID:

84532

HTTP:

WSS:

Archive:Yes

Pruning:None

Network

Type

Chain ID

HTTP

WSS

Archive

Pruning

Mainnet

Production

8453

Yes

None

Sepolia

Testnet

84532

Yes

None

Supported Products

The following QuickNode products are supported on the Base blockchain:

Streams

Real-time and historical blockchain data ingestion with exactly-once delivery guarantees and custom filtering.

Webhooks

HTTP endpoint notifications for blockchain events with payload customization and retry mechanisms.

Functions

Custom serverless compute for blockchain operations with JavaScript-based server-side filtering.