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Base API Overview

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Apr 28, 2026

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​

Ethereum JSON-RPC API
Core Ethereum protocol methods for blockchain interaction, account management, and transaction processing
डिबग एपीआई
Development and debugging utilities for deep blockchain analysis and transaction inspection
Flashblocks API
Preconfirmation-aware methods that expose transaction and state updates before the enclosing block is finalized
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Transaction tracing tools for debugging smart contracts and analyzing internal transaction flows
ओपी-नोड एपीआई
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

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.

API Specifications (OpenRPC, OpenAPI)​

Download the machine-readable API specifications for use with compatible tooling (e.g. OpenRPC Playground, Swagger Editor).


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