Blockchain API Access to Full Nodes

Get instant access to over 100 blockchain RPC nodes and block explorers with NOWNodes. Our affordable blockchain API gives you everything you need to build and scale decentralized apps - without managing your own infrastructure.

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Host response time

0.800 sec0.050 sec

18:3019:0019:3020:00

Transactions per second

250 00080 000

18:3019:0019:3020:00

99,95%API uptime

Get free api key View docs

Easy API integration

1Sign up on account.nownodes.io and get your own API key.

2Visit our Postman account and check out the documentation.

3Now you are all set for making requests to our nodes, just put your API key to your Postman.

ONE BLOCKCHAIN API - LOTS OF SOLUTIONS

Shared Full nodesAccess to a shared RPC node is the most affordable way to start and scale up your crypto ecosystem.

MainnetGet access to any RPC node from null+ of the most popular blockchains.

TestnetGet access to an RPC node testnet for starting developing crypto systems smoothly.

Block ExplorersAlways stay updated on your transactions.

Websocket ConnectionsThe most advanced and safest technologies are here for your crypto business.

Dedicated nodeYour fully managed private RPC node for the best crypto experience.

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NOWNodes delivers no questions asked!

We have been working with NOWNodes from the very beginning – and through all these years the service has been impeccable. The team has been ready to meet our strenuous requirements in 100% of cases and if anything stroke our fancy, NOWNodes always delivered – no questions asked. We're planning on using NOWNodes for years to come – and we hope the company keeps growing in the future. Good job, NOWNodes!

Frequently asked questions

(01)

What is a blockchain RPC node?

Blockchain RPC (Remote Procedure Call) node is a server that lets wallets and dApps interact with the blockchain - send transactions, read data, and execute smart contracts via API requests.

(02)

How to use NOWNodes’ API key?

After login in NOWNodes and selecting a plan you need to navigate to the Dashboard in your account and scroll down the page. There you will see the button Add a New Key. Just push the button and your API key will be ready to use.
Don't share your personal API key in public
You can use this API key for all the available methods mentioned in our documentation

(03)

How do I connect to a full node via API?

Get your API key from the dashboard, choose a supported blockchain, and use the provided RPC endpoint to start sending requests—no setup or hosting needed.

(04)

Are public crypto nodes safe for development?

Yes, our public crypto nodes are safe for development. They offer secure, read/write access for testing and building.

(05)

What’s the difference between shared and dedicated nodes?

Shared nodes are used by multiple users and have rate limits. Dedicated nodes offer private access, higher speed, and stability. We can deploy any dedicated node for you - just contact us!

(06)

Can I get a free crypto node?

Yes, you can start with our START plan that gives access to shared crypto nodes with 100,000 requests for one month.

Blockchain API Access to Full Nodes

Top Supported Blockchain RPC Nodes

Why Choose Our Blockchain Developer API?

Easy API integration

ONE BLOCKCHAIN API - LOTS OF SOLUTIONS

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Frequently asked questions

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