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B2 RPC Endpoint

Fast and reliable. B2 is served on the Premium plan and needs a paid API key.

Operational
Premium endpoint
Public and Freemium access have been deprecated. This chain needs a Premium key.
JSON-RPC Endpoint
https://mainnet....
Get Premium
Network Status

Block height

37,909,960
Across healthy nodes

Median latency

4 ms
Typical response

Global reach

5
Served from 5 global regions
Archive data
Network
Network name
B2
Token
BTC
Decimals
18
Chain ID
0xdf
Client
Geth v1.101315.2-stable-7c281983

Quickstart

The B2 endpoint is served on the Premium plan. Get a Premium key, then send your first request with the endpoint and that key.

List of nodes
The network is kept stable, using a backbone of multiple underlying nodes. The network is constantly monitored and traffic is automatically routed to the best suited nodes.
Node
Location
ankr.com
🇳🇱
Amsterdam
ankr.com
🇸🇬
Singapore
ankr.com
🇺🇸
Los Angeles
Plans
B2 is served on the Premium plan. Upgrade for higher throughput and advanced methods, or talk to us about a custom Enterprise setup.
Free
  • No API key required
  • All standard JSON-RPC methods
  • Community rate limit
  • Best-effort availability
Premium
Popular
  • Everything in Free, plus a dedicated API key
  • Higher throughput and rate limits
  • Archive and trace methods
  • 99.9% uptime and priority routing
  • Usage analytics and support
Enterprise
  • Everything in Premium, plus custom throughput
  • Dedicated infrastructure and multi-region routing
  • Custom SLA and 24/7 support
  • Compliance and security add-ons
Ready for more? Upgrade to Premium Try ANKR
Resources
Everything you need to start building on B2.
Documentation
Guides, API reference, and integration docs for B2.
Block Explorer
Inspect blocks, transactions, and addresses on B2.
Faucet
Get testnet tokens to start experimenting on B2.
Bridge to B² Mainnet
Official bridge for moving BTC/assets into B² Mainnet; linked directly from docs.bsquared.network/for-users/bridge

B2 RPC: frequently asked questions

What is the B2 RPC endpoint?

A JSON-RPC endpoint for the B2 network, operated by Ankr. Public and Freemium access have been deprecated: B2 is served on the Premium plan and needs a paid API key.

Is the B2 RPC endpoint free to use?

No. B2 is served on the Premium plan. Keyless and free-plan access to this network have been deprecated.

How do I connect to B2?

Get a Premium key on Ankr RPC, then take the endpoint with that key and set it as the provider URL in your library of choice (ethers.js, web3.js, viem, or any JSON-RPC client).

Need more? Explore Ankr RPC.
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