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WatchData Node API

Get access to some of the most promising blockchains in development

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Powered API

Discover the new way of blockchain api. Friendly, Efficient and Scalable

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Crypto Price API

Live, readable and historic rate data for 1 000+ cryptocurrency pairs

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Dedicated Nodes
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Your Exclusive Access to Decentralization.

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Chains
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Ethereum

Connecting to Ultimate Ethereum API

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Bitcoin

Connecting to Bitcoin API

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Powerful and fast for everyone

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Binance Smart Chain

Use the full potential of BSC Blockchain

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Polygon

Polygon believes in Web3 for all

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Wallets and Payment services

Users’ token balances, transactions

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Crypto Exchanges

Protocol metrics, price trends, valuations

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DeFi Analytics

Lending, borrowing, liquidity and more

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On-chain metrics

Analytics dashboards and price trend notifications

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Calypso pay

Saving more than 300 hours of inhouse development time

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WatchData Blog

Polygon API – How to Efficiently Create Polygon Dapps using WatchData

Polygon API – How to Efficiently Create Polygon Dapps using WatchData

If you’re a developer who’s interested in creating a dapp on the Polygon network, then this brief guide is for you!

July 28, 2022

All articles

The web3 revolution is in full swing. Join us and find out why the blockchain changes everything!

Bitcoin
Blockchain
Ethereum
How to
Web3
What is
What is a Masternode in Crypto?
May 4, 2023

What is a Masternode in Crypto?

What is a masternode? How much do they cost? Is it right for me? Example of crypto masternodes list?
What is
What is a Bitcoin Node
August 19, 2022

What is a Bitcoin Node

If you've ever wondered what a Bitcoin node is and how it works, this guide will help you understand the basics of nodes.
What is
Bitcoin
Best Web3 Wallets to Use
August 17, 2022

Best Web3 Wallets to Use

Web3 wallets are the future of the internet. Why we need a new way of thinking about crypto assets?
What is
Web3
​​Blockchain and Big Data
August 16, 2022

​​Blockchain and Big Data

Blockchain technology and big data are two of the most important technological developments in recent memory.
Blockchain
Connecting MetaMask to Binance Smart Chain
August 9, 2022

Connecting MetaMask to Binance Smart Chain

In this article, I will guide you step by step on how to connect MetaMask with WatchData’s Binance Smart Chain node.
How to
What is BEP20 Tokens
August 8, 2022

What is BEP20 Tokens

Binance Smart Chain is a new innovation that offers its users a rich, rapidly growing ecosystem of digital assets.
What is
ETH Nodes and Clients
July 22, 2022

ETH Nodes and Clients

In this article, we examined the differences between nodes and clients.
Ethereum
What is EVM Crypto
July 22, 2022

What is EVM Crypto

Meet The Ethereum Virtual Machine, The Ethereum Platform's Secret Powerhouse.
Ethereum
What is Web2 and Web3
July 18, 2022

What is Web2 and Web3

Web2 is the Internet as we know it today, whereas Web3 refers to the evolution and next generation of the Internet.
Web3
What is
Web3 Providers - How to connect to Ethereum network with Web3.js
July 13, 2022

Web3 Providers - How to connect to Ethereum network with Web3.js

In this tutorial, we will learn how to use Web3.js to connect to the Ethereum blockchain using HTTP.
Ethereum
How to