Blockchain infrastructure


Build, test and ship blockchain applications without running your own nodes. One API, 130+ networks.

Start buildingRead the docs
130+
Networks
41ms
Median latency
99.98%
Uptime (90d)
2.4B
Requests / day
Platform

One API surface.
Four building blocks.

Everything required to run a production application on-chain, exposed through a single consistent interface.

01

Blockchain RPC

Direct, low-latency access to 130+ networks. Smart routing, automatic failover, websocket and archive support out of the box.

HTTP / WSArchive nodesAuto-failover
02

Wallets

Create MPC wallets, sign transactions and sponsor gas with a single call. Keys are encrypted and never leave hardened enclaves.

MPC signingGas sponsorshipHD wallets
03

Data API

Indexed balances, transfers and events across chains, queryable through one consistent schema. Backfills included.

Unified schemaBackfillsWebhooks
04

Notifications

Real-time on-chain events pushed to your backend the moment they land on-chain. Wallet activity, contract events, state changes.

Real-timeRetriesFilters
Developers

Typed SDKs.
Honest latency.

A single REST surface with first-class SDKs for every major language. Test any call against any chain from the dashboard before you write a line of code.

  • TypeScript, Python, Go, Rust and Java SDKs
  • Smart routing with automatic node failover
  • Sandbox keys that work in under a minute
Request routinglive
your appstonebridgeedge routerEthereumSolanaBaseBitcoinPolygon
import { Stonebridge } from "@stonebridge/sdk";

const sb = new Stonebridge({ apiKey: process.env.SB_KEY });

// read the latest Ethereum block
const block = await sb.rpc.ethereum.getBlock("latest");

// create an MPC wallet and sponsor gas
const wallet = await sb.wallets.create({
  chain: "ethereum",
  sponsorGas: true,
});

console.log(wallet.address); // 0x4e1f…9c02
Networks

130+ networks.
One endpoint.

Mainnet, testnet and archive access from a single base URL. Not sure we support your chain? Ask and we will confirm the same day.

EthereumSolanaBitcoinPolygonArbitrumBaseAvalancheOptimismBNB ChainTronSuiTon
RippleCeloStellarCosmosPolkadotNearAptosCardanozkSyncLineaScrollMantle
Pricing

Pay for requests, not seats.

Start free and move up when your traffic does. No per-seat fees, no lock-in, no surprise overages.

Developer

Free

For prototypes and local development.

  • 50k requests / month
  • 3 networks
  • Shared nodes
  • Community support
Start free

Scale

popular
$49/mo

For production apps with real traffic.

  • 5M requests / month
  • All 130+ networks
  • Smart routing + failover
  • Webhooks & notifications
  • Email support, 1-day SLA
Choose Scale

Enterprise

Custom

For platforms with dedicated throughput needs.

  • Volume pricing
  • Dedicated nodes
  • 99.99% uptime SLA
  • 24/7 engineering support
Talk to us


Create an account, grab a sandbox key, and query any chain. No card required to start.

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