// Stacks

The Stack Stacks Builders Ship On

Connect to Stacks Mainnet and Testnet with low-latency RPC, full archive data, debug and trace APIs, and real-time Streams. The complete Stacks data stack, managed from a single Quicknode dashboard.

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// Supported networksMainnetTestnet
// 99.99% uptime SLA17+ global regions
// Unified Stacks Stack

The Full Stacks Stack in
One Dashboard.

Stacks builders need more than basic RPC. Quicknode runs the full surface: the Stacks Blockchain API over REST and WebSocket, node RPC, and full archive history, all from one dashboard.

InterfaceStatus
MAINNETONLINE
TESTNETONLINE
ARCHIVEONLINE
CONTRACTSONLINE
// Read & Query

Data Access for Every Stacks Workload

Query, read, and broadcast on Stacks with low latency. From a single call to full history, you get the right interface for the job.

Stacks Blockchain API over REST and WebSocket on Mainnet and Testnet
Query blocks, transactions, accounts, and mempool
Read Clarity contract interfaces and call read-only functions
Full archive history with no pruning
// Build & Ship

The Tooling You Already Know

The Stacks toolchain you already know works unchanged on Quicknode. The Stacks.js libraries, the Stacks CLI, and Clarity tooling all point at a Quicknode endpoint.

Query accounts, blocks, and transactions over the Blockchain API
Call read-only Clarity functions and read contract state
Broadcast signed transactions and inspect fees and mempool
Token authentication, rate-limiting, and whitelisting on every endpoint

Enterprise-grade security and compliance built in

SOC 1
SOC 2 Type II
ISO 27001
// Every Stacks Data Pattern

The Full Data Suite.
Every Stacks Data Pattern.

Multiple ways to access Stacks data, from a single query to real-time delivery. Pick the interface, ship faster.

Stacks REST API v3

The cursor-paginated /extended/v3 REST API for blocks, transactions, principal balances, nonces, and PoX-5 data on Mainnet and Testnet.

Read the docs

Stacks REST API v2

The /extended/v2 REST endpoints for accounts, transactions, blocks, and smart-contract interactions on Mainnet and Testnet.

Read the docs

Clarity & Contracts

Read Clarity contract interfaces, call read-only functions, and inspect contract state.

Read the docs

Transaction Broadcasting

Broadcast signed Stacks transactions and inspect fees and mempool state with predictable rate limits.

Read the docs

PoX Stacking Data

Read PoX-5 stacking cycles, reward slots, and stacker data over the Stacks REST API to power stacking dashboards and pools.

Read the docs

WebSocket Subscriptions

Subscribe to new blocks, transactions, and address events over a persistent WebSocket connection.

Read the docs
// Built for Stacks Developers

Build on Stacks with Clarity.

Point Stacks.js or a plain HTTP request at a Quicknode Stacks endpoint and read accounts, call read-only Clarity functions, and broadcast transactions. The Stacks Blockchain API and node RPC on private low-latency infrastructure.

No rewrites

Point Stacks.js or the Stacks CLI at a Quicknode Stacks endpoint. Queries, contract calls, and broadcasting carry over.

REST and WebSocket

The Stacks Blockchain API over REST and WebSocket, plus node RPC, on one endpoint.

Read the docs
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// Query Stacks with the Blockchain API
const res = await fetch(`${QUICKNODE_STACKS_URL}/v2/info`);
const info = await res.json();


console.log(info.stacks_tip_height);


// REST and WebSocket for accounts, contracts, and transactions.
// Resources

Build on Stacks quicker.

Docs, guides, and runnable sample apps for every Stacks workload. Clone, customize, and ship.

// Docs

Stacks Documentation

Full reference for the Stacks Blockchain API, node RPC, and WebSocket interfaces, with account, contract, and transaction examples.

Read the docs
// guide

Deploy a Clarity Smart Contract

Build, test, and deploy a Clarity smart contract on Stacks with Clarinet, end to end.

Read the guide
// Sample Apps

Sample App Library

Runnable sample apps and starter kits across Quicknode-supported chains, including Stacks. Clone one and ship.

Browse sample apps
// Let's Build

Start where you are.

From your first Stacks endpoint to mission-critical production workloads, Quicknode scales with you. Get started in minutes.

// Developers

For builders who move fast.

Spin up your Stacks endpoint and ship. The free tier covers prototyping and small production loads, no credit card required.

Start building for free
// Enterprise

For teams scaling with confidence.

Dedicated Stacks infrastructure, contractual SLAs, priority support, and procurement-ready terms for wallets, exchanges, trading firms, and high-volume protocols.

Contact sales
"Quicknode's Admin API has been a game changer for how we manage infrastructure at Circle. It gives us full programmatic control over our endpoints, making automation seamless and saving our team significant time."
James Fong, VP of Engineering @ Circle
// FAQ

Frequently Asked Questions

Still have unanswered questions? Reach out to support and the Quicknode team can help you find answers.