KUB Mainnet
Rapid, secure Layer 1 for decentralized applications
Access KUB Mainnet through our unified RPC API with 56 supported methods. Benefit from intelligent routing across multiple providers, real-time node health monitoring, and optimized performance with economy and performance routing strategies. Get started with instant API access and transparent pricing.
This endpoint routes read requests to community-run public RPC nodes across multiple regions. Send transaction requests are routed to premium infrastructure for guaranteed delivery. Ideal for testing and development — no API key required.
Nodes in Sync (Lag Checks)
Daily in-sync status by provider over 30 days for this chain.
Node Correctness (Replay Checks)
Daily replay correctness by provider over 30 days for this chain.
WebSocket Notifications
Real-time subscriptions on KUB Mainnet are priced per million notifications, separate from the per-request pricing in the method table below.
All subscription types on this chain share the same per-notification price. Pricing as of September 2026.
Supported Methods(56)
Method | Usage | Providers | Price | Latency (p50) |
|---|---|---|---|---|
eth_getBlockByNumber | Medium | 2 | $3.00/M $6.00/M | - - |
eth_blockNumber | Medium | 2 | $3.00/M $6.00/M | - - |
eth_getBalance | Medium | 2 | $3.00/M $6.00/M | - - |
eth_getLogs | Medium | 2 | $3.00/M $6.00/M | - - |
eth_getTransactionCount | Low | 2 | $3.00/M $6.00/M | 1ms - |
eth_chainId | Low | 2 | $3.00/M $6.00/M | - - |
debug_traceBlockByNumber | Low | 2 | $3.00/M $6.00/M | - - |
eth_call | Low | 2 | $3.00/M $6.00/M | - - |
eth_gasPrice | Low | 2 | $3.00/M $6.00/M | - - |
eth_getCode | Low | 2 | $3.00/M $6.00/M | - - |
About KUB Mainnet
KUB Mainnet is a Layer 1 blockchain network developed by Bitkub Blockchain Technology Co., Ltd., launched on April 28, 2021. It is designed to serve as the foundation for the new era of the internet, offering a rapid, secure, and high-performance platform for decentralized applications.
The network utilizes a Proof-of-Authority (PoA) consensus mechanism, enabling high throughput and low transaction fees. KUB Mainnet is EVM-compatible, allowing developers to build decentralized applications using familiar tools and languages.
KUB Coin (KUB) is the native utility token of the KUB Mainnet, used for transaction fees, staking, and governance within the ecosystem. The network also offers various developer tools, including KUB Scan for blockchain exploration, KUB Bridge for cross-chain bridging, and KUB Vote for governance participation.
KUB Mainnet is accessible through RPC endpoints. Users can explore the blockchain using the KUB Mainnet Explorer.