110+
Blockchains
24/7
Support
99,95%
Uptime
~0,6
Second response time
One RPC provider - 110+ blockchains and thousands of tokens. We regularly add new chains, including by request from our users. Check out our crypto node list
Reliable performance under any load — with failover nodes, global redundancy, and smart load balancing built in. We ensure stable performance and deliver on our SLA.
Plans for any budgets without RPS limits on paid plans. Combine shared and dedicated tariffs to optimize costs without sacrificing performance. Сheck actual prices.
Our support team consists of experienced technical experts always ready to help. With a clear SLA, we guarantee fast, clear help, with first responses in under 3 minutes.
Choose between Blockbook, Tendermint, Blockfrost, and Index API - select interface for any task. View docs.
Get an instant WebSocket connection to receive real-time on-chain data. View docs.
Make your crypto wallet feel like a banking app — real-time notifications
and accurate fiat prices, all through simple APIs.
Get instant access to 110+ blockchain RPC nodes with multiple interfaces and stable dedicated nodes — cut your costs on infrastructure management.
Stream low-latency crypto and fiat quotes straight into your service — keeping every trade priced in real time
Get real-time transaction notifications across 24+ chains - Send a single request - our service instantly notifies you when the transaction confirms, forget about multiple requests.
1. SIGN UP
Sign up on NOWNodes and choose your plan
2. GET API KEY
Generate API key in the dashboard
3. BUILD
Use our API docs to build your best crypto wallet
What is a crypto wallet API, and why do I need it?
A crypto wallet API enables your app or service to interact with blockchain networks—checking balances, sending transactions, and confirming statuses—without building complex in-house infrastructure. It saves development time and ensures reliability
Why is RPC reliability critical for crypto wallets?
Reliable RPC access ensures your wallet responds fast and correctly - showing balance updates, transaction confirmations, and statuses without delays or errors. Instability can lead to lost transactions or money. With high uptime and node redundancy, our API delivers stable performance even during peak loads.
Can I build crypto wallet using NOWNodes API?
Yes — our infrastructure is designed to power wallets. With access to 110+ blockchains, and wallet-specific features like Blockchain notifications and Market Data, you can create a reliable crypto wallet without managing your own infrastructure.
How to integrate the NOWNodes API into your crypto wallet?
To integrate the NOWNodes API into your crypto wallet, sign up on NOWNodes, get your API key, choose the blockchain node you need, and use the endpoint from our official documentation.
What tools do you offer for crypto wallet development?
We provide a full suite of tools tailored for crypto wallet builders: RPC access to 110+ chains, real-time notifications, fiat pricing, Archive data and more. Whether youre building from scratch or scaling an existing wallet, our API helps you do it faster and more reliably.