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What is web3.js?

The web3.js library is a collection of tools that allow users to interact with both local and remote Ethereum nodes through various protocols such as HTTP, IPC, or WebSocket. At the same time, a Bloom filter is an efficient probabilistic data structure that allows for quick membership testing in a set. Although this notion might initially appear complex, grasping its practical use can reveal its importance in various applications. Imagine we have a large collection of data and need to quickly ascertain whether a specific item is part of this collection. The most direct method would involve checking the set to confirm the presence of the item, which is effective for smaller datasets. However, as the data size increases, this approach can become cumbersome and slow. Fortunately, the Ethereum ecosystem provides cutting-edge methods to optimize our searching processes, making it easier to handle extensive datasets with improved efficiency! Moreover, these advanced techniques not only enhance performance but also contribute to the overall scalability of applications built on the blockchain.

What is NOWNodes?

With access to over 110 blockchain networks, NOWNodes offers developers fast and secure API connectivity to both Full and Archive Nodes. Whether you're building on a mainnet or testnet, NOWNodes supports a wide range of interfaces like Tendermint, Blockbook, and Index to meet your integration needs. Designed for performance and reliability, the platform boasts 99.95% uptime, lightning-fast ~0.6 second response times, and can process more than 15,000 transactions per second—providing the solid infrastructure your project can rely on.

Media

Media

Integrations Supported

Ethereum
SuperVerse

Integrations Supported

Ethereum
Akash
Algorand
Bitcoin
Cardano Explorer
DigiByte
Filecoin
Linea
Litecoin
Monero
NEAR
Nanonets
Polkadot
Solana
TRON
Tezos
XRP Ledger (XRPL)
bitsCrunch
zkSync

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

€20
Start is free for testing and early development — 100,000 requests, 15 RPS, and access to 5 networks for one month.

Pro fits small production apps needing steady traffic: 1,000,000 requests/month, 3 API keys, WebSocket and market data access — €20/month (€18/month billed annually).

Pro Plus works for growing apps with occasional spikes — 10,000,000 requests/month plus pay-as-you-go overage (€5/100k requests) instead of a hard cap — €90/month (€81/month billed annually).

Business (NOWNodes' "Popular" pick) targets companies running production infrastructure at scale: 30,000,000 requests/month, 25 API keys, a dedicated account manager, and custom node support — €200/month (€180/month billed annually).

Business Plus is for businesses that outgrew Business but aren't enterprise-scale yet — 50,000,000 requests/month with the same features and more headroom — €300/month (€270/month billed annually).

Enterprise serves high-volume operators like exchanges and wallets: 100,000,000 requests/month, 100 API keys, the lowest overage rate (€0.50/100k), and near round-the-clock support — €500/month (€450/month billed annually).
Free Version

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

24 Hour Support
Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

web3.js

Company Website

github.com/ChainSafe/web3.js

Company Facts

Organization Name

NOWNodes

Date Founded

2019

Company Location

Estonia

Company Website

nownodes.io

Categories and Features

Blockchain APIs

Not specified

Web3

Not specified

Categories and Features

Blockchain APIs

Not specified

Blockchain Node

Not specified

Crypto APIs

Not specified

RPC Node

Not specified

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