Wallet & Infrastructure

Infura

A managed Ethereum and IPFS node infrastructure service by ConsenSys, providing RPC API access to developers and wallets.

Infura — Infura is a blockchain infrastructure platform operated by Consensys that provides remote procedure call (RPC) access to Ethereum and other networks. It allows developers and applications to read blockchain data and submit transactions without running their own full nodes, serving as one of the most widely used node providers in the Web3 ecosystem.

What Is Infura?

Infura offers hosted API endpoints that connect applications to blockchain networks. Founded in 2016, it became the default RPC provider for MetaMask and a large share of Ethereum dApps. Developers register for an API key and send JSON-RPC requests to Infura's node clusters, which handle block synchronization, state queries, and transaction broadcasting.

Infura supports Ethereum mainnet, Polygon, Arbitrum, Optimism, Avalanche, and several testnets. It processes billions of requests daily across its global infrastructure.

Why Infura Matters

Running a full Ethereum node requires significant hardware — at least 2 TB of SSD storage and continuous synchronization. Infura abstracts this complexity into a simple API call, reducing time-to-market for dApp developers from weeks to minutes. Most DeFi frontends, wallets, and trading bots rely on third-party RPC providers like Infura for blockchain connectivity.

Infura vs Other Providers

Infura competes with Alchemy, QuickNode, and Helius (Solana-focused). While Infura pioneered the space, newer providers offer additional features like enhanced APIs, WebSocket streaming, and dedicated nodes. Many applications use multiple providers for redundancy, falling back to alternatives if one endpoint experiences downtime.

Related Terms

Wallet & Infrastructure

Alchemy

A blockchain developer platform providing enhanced node APIs, debugging tools, and NFT data for Ethereum and other chains.

Read definition Wallet & Infrastructure

Helius

A Solana-focused developer infrastructure platform providing enhanced RPC nodes, webhooks, and DAS API for NFTs and tokens.

Read definition Wallet & Infrastructure

QuickNode

A multi-chain blockchain infrastructure provider offering fast RPC endpoints across 20+ networks including Solana, Ethereum, and BNB Chain.

Read definition Chain-Specific

Ethereum Mainnet

The primary Ethereum blockchain where all real-value transactions occur, as distinct from testnets like Sepolia or Goerli.

Read definition

Frequently Asked Questions

Common questions about Infura in cryptocurrency and DeFi.

Infura offers a free tier with 100,000 requests per day. Paid plans start at $50 per month and provide higher rate limits, archive data access, and priority support. High-traffic dApps typically require paid plans.

Yes, Infura is a centralized service operated by Consensys. This has been a point of criticism — if Infura goes down, applications relying solely on it lose blockchain access. The 2020 Infura outage temporarily disrupted MetaMask and many Ethereum dApps.

As of 2024, Infura does not natively support Solana. For Solana RPC access, developers typically use Helius, QuickNode, or Triton. Infura focuses primarily on EVM-compatible chains.

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