# Quicknode Documentation
> Developer platform for reliable blockchain infrastructure.

For AI agents, MCP clients, and coding assistants:
[Build with AI](https://www.quicknode.com/docs/build-with-ai/llms.txt)
is the entry point. It covers agentic payments (x402/MPP), agent
subscriptions, MCP, and the Quicknode skills/APIs catalog.

Each link below points to a per-product or per-chain `llms.txt` index file,
not a content page. Fetch that file to see the full list of `.md` pages for
that chain or product. Every documentation page is also available as raw
markdown by appending `.md` to its URL.

Long-form how-to content (440+ guides) is indexed separately at
https://www.quicknode.com/guides/llms.txt.

## Top-Level Pages
- [Welcome](https://www.quicknode.com/docs/welcome.md): Quicknode documentation and reference material for for RPC and REST API, NFT API, Token API and QuickAlerts.
- [Agent Subscriptions](https://www.quicknode.com/docs/build-with-ai/agent-subscriptions.md): Create a Quicknode account and subscription programmatically using x402 or MPP payments. Receive a full platform API key and provision RPC endpoints without human signup.
- [Overview](https://www.quicknode.com/docs/build-with-ai/agentic-payments.md): Quicknode supports two wallet-based payment protocols, x402 and MPP, for one-shot RPC calls or to programmatically create a Quicknode account via Agent Subscriptions.
- [Getting Started](https://www.quicknode.com/docs/build-with-ai.md): An overview of Quicknode's APIs and tools for AI agents, coding assistants, and developers building with AI.
- [LLM-Optimized Docs](https://www.quicknode.com/docs/build-with-ai/llms-txt.md): Quicknode publishes llms.txt indexes so AI tools and LLMs can discover and reason about Quicknode's full developer resource library, including RPC methods, developer tooling, guides, sample apps, and ecosystem documentation.
- [MPP Payments](https://www.quicknode.com/docs/build-with-ai/mpp-payments.md): Access Quicknode's blockchain infrastructure with pay-per-request stablecoin payments using the MPP protocol. No account or API keys required.
- [Quicknode APIs](https://www.quicknode.com/docs/build-with-ai/quicknode-apis.md): Quicknode's blockchain APIs are standard HTTP endpoints that any AI agent or LLM-powered application can call directly for RPC, data pipelines, storage, and account management.
- [MCP](https://www.quicknode.com/docs/build-with-ai/quicknode-mcp.md): Manage Quicknode infrastructure through natural language using the official MCP server with any compatible AI assistant.
- [Skills](https://www.quicknode.com/docs/build-with-ai/quicknode-skills.md): Give AI coding agents accurate, up-to-date knowledge of Quicknode's products, APIs, and best practices with a single install command.
- [x402 Payments](https://www.quicknode.com/docs/build-with-ai/x402-payments.md): Access Quicknode's blockchain infrastructure with wallet-authenticated, pay-per-request stablecoin payments using the x402 protocol. No account or API keys required.

## Chains
- [0g](https://www.quicknode.com/docs/0g/llms.txt): Modular AI L1 with native data availability. EVM JSON-RPC and Debug.
- [Abstract](https://www.quicknode.com/docs/abstract/llms.txt): ZK Stack rollup on Ethereum (zkSync-based) aimed at consumer apps. JSON-RPC with `zks_` namespace and Debug.
- [Aleo](https://www.quicknode.com/docs/aleo/llms.txt): Get started with Aleo REST API on Quicknode. Access reliable, low-latency infrastructure for the Aleo blockchain with globally distributed endpoints for privacy-focused applications.
- [Aptos](https://www.quicknode.com/docs/aptos/llms.txt): Move-based L1. Aptos Node REST API.
- [Arbitrum](https://www.quicknode.com/docs/arbitrum/llms.txt): Optimistic rollup L2 on Ethereum. JSON-RPC, Arbitrum Trace, generic Trace, and Debug.
- [Arbitrum Nova](https://www.quicknode.com/docs/arbitrum-nova/llms.txt): Arbitrum's AnyTrust chain for high-throughput, low-fee apps. JSON-RPC and Debug.
- [Arc](https://www.quicknode.com/docs/arc/llms.txt): Circle's EVM L1 for stablecoin payments. JSON-RPC, Trace, and Debug.
- [Ault](https://www.quicknode.com/docs/ault/llms.txt): Cosmos appchain with EVM compatibility. Cosmos REST/gRPC, Tendermint RPC, EVM JSON-RPC, and Debug.
- [Avalanche](https://www.quicknode.com/docs/avalanche/llms.txt): Subnet-based L1 with the EVM C-Chain, asset-focused X-Chain, and validator P-Chain. C/X/P-Chain APIs plus Debug, Avalanche Index, and Info.
- [B3](https://www.quicknode.com/docs/b3/llms.txt): Gaming OP-Stack L2 built on Base. JSON-RPC, OP-Node, and Debug.
- [Base](https://www.quicknode.com/docs/base/llms.txt): Coinbase's OP-Stack L2. JSON-RPC, OP-Node, Trace, Debug, Flashblocks preconfirmations, Blockbook, and Block Timestamp Lookup.
- [Berachain](https://www.quicknode.com/docs/berachain/llms.txt): EVM L1 with proof-of-liquidity consensus on CometBFT. JSON-RPC, Beacon Kit, CometBFT API, and Debug.
- [Bitcoin](https://www.quicknode.com/docs/bitcoin/llms.txt): Bitcoin L1. Bitcoin JSON-RPC, Blockbook, Ordinals API, and Block Timestamp Lookup.
- [Bitcoin Cash](https://www.quicknode.com/docs/bitcoincash/llms.txt): Bitcoin Cash L1. Bitcoin-compatible JSON-RPC.
- [Blast](https://www.quicknode.com/docs/blast/llms.txt): OP-Stack L2 with native yield. JSON-RPC, OP-Node, and Debug.
- [BNB Smart Chain](https://www.quicknode.com/docs/bnb-smart-chain/llms.txt): EVM-compatible L1 from BNB Chain. JSON-RPC, Trace, and Debug.
- [Celestia](https://www.quicknode.com/docs/celestia/llms.txt): Modular data-availability L1. Celestia Node API, Celestia gRPC, Cosmos REST/gRPC, and Tendermint RPC.
- [Celo](https://www.quicknode.com/docs/celo/llms.txt): EVM-compatible L2 on Ethereum (formerly an independent L1). JSON-RPC and Debug.
- [Cosmos](https://www.quicknode.com/docs/cosmos/llms.txt): Cosmos Hub (ATOM). Cosmos REST, Cosmos gRPC, and Tendermint JSON-RPC.
- [Cyber](https://www.quicknode.com/docs/cyber/llms.txt): OP-Stack L2 focused on social applications. JSON-RPC, OP-Node, and Debug.
- [Doge](https://www.quicknode.com/docs/doge/llms.txt): Dogecoin L1. Bitcoin-compatible JSON-RPC.
- [Ethereum](https://www.quicknode.com/docs/ethereum/llms.txt): L1 smart contract platform. Execution JSON-RPC, Beacon API, Erigon archive methods, Trace, Debug, plus ENS, Flashbots Protect, and Multi-Region Broadcast.
- [Fantom](https://www.quicknode.com/docs/fantom/llms.txt): EVM-compatible L1 with `ftm_` namespace methods. JSON-RPC, Trace, and Debug.
- [Flare](https://www.quicknode.com/docs/flare/llms.txt): EVM L1 with native data oracles. C-Chain, X-Chain, P-Chain, and Debug.
- [Flow](https://www.quicknode.com/docs/flow/llms.txt): L1 built for consumer apps, supporting Cadence and EVM. EVM JSON-RPC, Debug, Flow REST API, and Flow gRPC.
- [Fluent](https://www.quicknode.com/docs/fluent/llms.txt): Blended-execution L2 supporting EVM, SVM, and Wasm. JSON-RPC and Debug.
- [Fraxtal](https://www.quicknode.com/docs/fraxtal/llms.txt): Frax Finance's OP-Stack L2. JSON-RPC and Debug.
- [Fuel](https://www.quicknode.com/docs/fuel/llms.txt): Modular execution layer with parallel UTXO plus accounts. Fuel GraphQL queries.
- [Gnosis](https://www.quicknode.com/docs/gnosis/llms.txt): EVM-compatible L1 secured by independent validators. JSON-RPC, Beacon API, Erigon archive, and Trace.
- [Gravity](https://www.quicknode.com/docs/gravity/llms.txt): EVM L1 designed as an omnichain settlement layer for intent-based transactions. JSON-RPC and Debug.
- [Hedera](https://www.quicknode.com/docs/hedera/llms.txt): Hashgraph-based public network (HBAR) with EVM compatibility. EVM JSON-RPC, Debug, and Mirror Node REST API.
- [Hemi](https://www.quicknode.com/docs/hemi/llms.txt): Bitcoin-secured modular rollup on Ethereum. JSON-RPC, OP-Node, and Debug.
- [Hyperliquid](https://www.quicknode.com/docs/hyperliquid/llms.txt): Perp DEX appchain with HyperEVM execution and HyperCore exchange. EVM JSON-RPC, HyperCore Info/REST/JSON-RPC, HyperCore gRPC streaming, Trace, and Debug.
- [Immutable zkEVM](https://www.quicknode.com/docs/immutable-zkevm/llms.txt): Polygon zkEVM-based L2 for games. JSON-RPC and Debug.
- [Injective](https://www.quicknode.com/docs/injective/llms.txt): Cosmos appchain for trading and derivatives, EVM-compatible. Cosmos REST/gRPC, Tendermint RPC, EVM JSON-RPC, CosmWasm REST, and Peggy bridge.
- [Ink](https://www.quicknode.com/docs/ink/llms.txt): Kraken's OP-Stack L2. JSON-RPC, OP-Node, and Debug.
- [Joc](https://www.quicknode.com/docs/joc/llms.txt): Japan Open Chain, a regulated EVM L1. JSON-RPC and Debug.
- [Kaia](https://www.quicknode.com/docs/kaia/llms.txt): EVM L1 from the Klaytn-Finschia merger. JSON-RPC plus Debug and the `kaia_` and legacy `klay_` namespaces.
- [Katana](https://www.quicknode.com/docs/katana/llms.txt): L2 for DeFi liquidity, built on OP Stack and Polygon CDK with AggLayer integration. JSON-RPC, OP-Node, and Debug.
- [Lens](https://www.quicknode.com/docs/lens/llms.txt): ZK Stack rollup hosting the Lens Network for SocialFi. JSON-RPC with `zks_` namespace and Debug.
- [Linea](https://www.quicknode.com/docs/linea/llms.txt): ConsenSys zkEVM rollup on Ethereum. JSON-RPC, `linea_` namespace, and Debug.
- [Lisk](https://www.quicknode.com/docs/lisk/llms.txt): OP-Stack L2 succeeding the original Lisk SDK chain. JSON-RPC and Debug.
- [Litecoin](https://www.quicknode.com/docs/litecoin/llms.txt): Litecoin L1. Bitcoin-compatible JSON-RPC.
- [Mantle](https://www.quicknode.com/docs/mantle/llms.txt): OP-Stack L2 with modular data availability. JSON-RPC, OP-Node, and Debug.
- [Megaeth](https://www.quicknode.com/docs/megaeth/llms.txt): Real-time L2 on Ethereum. JSON-RPC, Trace, and Debug.
- [Moca](https://www.quicknode.com/docs/moca/llms.txt): Identity-focused chain combining Cosmos and EVM. Cosmos REST/gRPC, Tendermint RPC, EVM JSON-RPC, and Debug.
- [Mode](https://www.quicknode.com/docs/mode/llms.txt): OP-Stack L2 with sequencer fee sharing. JSON-RPC and Debug.
- [Monad](https://www.quicknode.com/docs/monad/llms.txt): EVM-compatible L1 with parallel execution. JSON-RPC and Debug.
- [Morph](https://www.quicknode.com/docs/morph/llms.txt): Hybrid optimistic/ZK rollup on Ethereum. JSON-RPC and Debug.
- [Near](https://www.quicknode.com/docs/near/llms.txt): Sharded proof-of-stake L1. NEAR JSON-RPC.
- [Optimism](https://www.quicknode.com/docs/optimism/llms.txt): Optimistic rollup L2 on Ethereum. JSON-RPC, OP-Node, Optimism namespace, Trace, Debug, and Flashblocks preconfirmations.
- [Osmosis](https://www.quicknode.com/docs/osmosis/llms.txt): Cosmos DEX appchain. Cosmos REST/gRPC and Tendermint JSON-RPC.
- [Peaq](https://www.quicknode.com/docs/peaq/llms.txt): Substrate-based DePIN L1 operating as a Polkadot parachain, with EVM compatibility. EVM JSON-RPC and Polkadot JSON-RPC.
- [Plasma](https://www.quicknode.com/docs/plasma/llms.txt): Stablecoin-focused EVM L1. JSON-RPC, Trace, and Debug.
- [Polkadot](https://www.quicknode.com/docs/polkadot/llms.txt): Heterogeneous multi-chain protocol (relay chain plus parachains). Polkadot JSON-RPC, Asset Hub JSON-RPC, and Substrate API Sidecar.
- [Polygon](https://www.quicknode.com/docs/polygon/llms.txt): EVM PoS sidechain anchored to Ethereum. JSON-RPC with `bor_` methods, Erigon archive, Trace, and Debug.
- [Polygon zkEVM](https://www.quicknode.com/docs/polygon-zkevm/llms.txt): Polygon's zkEVM rollup. JSON-RPC, Erigon archive, `zkevm_` namespace, Trace, and Debug.
- [Redstone](https://www.quicknode.com/docs/redstone/llms.txt): OP-Stack L2. JSON-RPC and Debug.
- [Robinhood](https://www.quicknode.com/docs/robinhood/llms.txt): Robinhood Chain, an Arbitrum Orbit L2. JSON-RPC and Debug.
- [Sahara](https://www.quicknode.com/docs/sahara/llms.txt): Sahara AI's L1 for AI data and agents. JSON-RPC and Debug.
- [Scroll](https://www.quicknode.com/docs/scroll/llms.txt): EVM-equivalent zk rollup on Ethereum. JSON-RPC, `scroll_` namespace, and Debug.
- [Sei](https://www.quicknode.com/docs/sei/llms.txt): Cosmos-based EVM-compatible L1 optimized for trading. JSON-RPC and Debug.
- [Solana](https://www.quicknode.com/docs/solana/llms.txt): High-performance L1. Solana JSON-RPC plus Solana gRPC (Yellowstone-compatible Geyser gRPC), priority fees, and Jito bundles.
- [Soneium](https://www.quicknode.com/docs/soneium/llms.txt): Sony-led OP-Stack L2. JSON-RPC, OP-Node, and Debug.
- [Sonic](https://www.quicknode.com/docs/sonic/llms.txt): High-performance EVM L1 with sub-second finality. JSON-RPC, Trace, and Debug.
- [Sophon](https://www.quicknode.com/docs/sophon/llms.txt): ZK Stack validium for consumer crypto applications. JSON-RPC with `zks_` namespace and Debug.
- [Stacks](https://www.quicknode.com/docs/stacks/llms.txt): Bitcoin L2 with Clarity smart contracts. Stacks REST API V2 (V1 deprecated) and Rosetta API.
- [Starknet](https://www.quicknode.com/docs/starknet/llms.txt): STARK-based ZK rollup with Cairo smart contracts. Node API, Trace, WebSocket subscriptions, and Pathfinder-specific methods.
- [Stellar](https://www.quicknode.com/docs/stellar/llms.txt): Payments-focused L1 with Soroban smart contracts. Horizon REST API and Soroban JSON-RPC.
- [Story](https://www.quicknode.com/docs/story/llms.txt): L1 for programmable IP (Story Protocol). JSON-RPC and Debug.
- [Sui](https://www.quicknode.com/docs/sui/llms.txt): Move-based L1. Sui JSON-RPC, Sui gRPC, and Sui GraphQL.
- [Tempo](https://www.quicknode.com/docs/tempo/llms.txt): EVM-compatible L1 with a `tempo_` namespace for fork schedule and transaction simulation. JSON-RPC, Trace, and Debug.
- [Ton](https://www.quicknode.com/docs/ton/llms.txt): The Open Network (Telegram-aligned). TON HTTP API v2 and v3.
- [Tron](https://www.quicknode.com/docs/tron/llms.txt): EVM-compatible L1 from the Tron Foundation. EVM JSON-RPC, Tron HTTP and Solidity APIs, and gRPC.
- [Unichain](https://www.quicknode.com/docs/unichain/llms.txt): Uniswap's OP-Stack L2. JSON-RPC, OP-Node, Debug, and Flashblocks preconfirmations.
- [Vana](https://www.quicknode.com/docs/vana/llms.txt): Data-DAO L1 with proof-of-stake consensus. JSON-RPC, Beacon API, and Debug.
- [World Chain](https://www.quicknode.com/docs/worldchain/llms.txt): Worldcoin's OP-Stack L2. JSON-RPC, OP-Node, and Debug.
- [Xai](https://www.quicknode.com/docs/xai/llms.txt): Arbitrum Orbit L3 on Arbitrum, built for games. JSON-RPC and Debug.
- [Xlayer](https://www.quicknode.com/docs/xlayer/llms.txt): OKX's zkEVM L2 built on Polygon CDK. JSON-RPC, Erigon archive, `zkevm_` namespace, Trace, and Debug.
- [XRPL](https://www.quicknode.com/docs/xrpl/llms.txt): XRP Ledger. XRP Ledger JSON-RPC.
- [XRPL EVM](https://www.quicknode.com/docs/xrplevm/llms.txt): EVM-compatible sidechain extending the XRP Ledger, built on the Cosmos SDK with CometBFT consensus. JSON-RPC and Debug.
- [Zcash](https://www.quicknode.com/docs/zcash/llms.txt): Privacy-focused L1 with shielded transactions. Zcash JSON-RPC.
- [zkSync](https://www.quicknode.com/docs/zksync/llms.txt): ZK rollup L2 on Ethereum (Matter Labs). JSON-RPC with `zks_` namespace and Debug.
- [Zora](https://www.quicknode.com/docs/zora/llms.txt): OP-Stack L2 focused on NFTs and creators. JSON-RPC.

## Products
- [Custom RPC Options](https://www.quicknode.com/docs/custom-rpc-options/llms.txt): Dedicated and hybrid RPC deployments for workloads that need isolation, predictable latency, or capacity beyond shared infrastructure.
- [IPFS](https://www.quicknode.com/docs/ipfs/llms.txt): REST API for pinning files, JSON, and metadata to IPFS. Manage pins, upload directories, and retrieve gateway URLs for content addressed by CID.
- [Key-Value Store](https://www.quicknode.com/docs/key-value-store/llms.txt): Managed key-value storage for lists and sets, accessible from Streams filters and a REST API. Used for watchlists, dedup keys, and counters that need to persist across blocks.
- [Marketplace Add-ons](https://www.quicknode.com/docs/marketplace-addons/llms.txt): Indexed blockchain data add-ons attached to a Quicknode endpoint: Blockbook, Token API, NFT API, Metaplex Digital Asset API, and Ordinals & Runes.
- [Platform](https://www.quicknode.com/docs/platform/llms.txt): Billing, node types, and supported chains across plans — what's offered on the Quicknode platform and how it is billed.
- [SQL Explorer](https://www.quicknode.com/docs/sql-explorer/llms.txt): Direct SQL access to indexed blockchain datasets (trades, orders, positions, liquidations, and more) without managing infrastructure.
- [Streams](https://www.quicknode.com/docs/streams/llms.txt): Backfilled and real-time blockchain data delivery. Filter blocks, transactions, traces, receipts, and logs in JavaScript, then route to Postgres, S3, Snowflake, BigQuery, or a webhook.
- [Webhooks](https://www.quicknode.com/docs/webhooks/llms.txt): HTTP push notifications for on-chain events. Subscribe to logs, transactions, and contract activity across EVM chains and Solana; payloads delivered to your endpoint with retries.

## Developer Tooling
- [Quicknode SDK](https://www.quicknode.com/docs/quicknode-sdk/llms.txt): Quicknode's official SDK for calling Quicknode product APIs from Rust, Python, Node.js, and Ruby.
- [Quicknode CLI](https://www.quicknode.com/docs/quicknode-cli/llms.txt): Quicknode's command-line interface for managing Quicknode product APIs from a terminal or script.
- [Admin API](https://www.quicknode.com/docs/admin-api/llms.txt): REST API for programmatic account management: create, configure, and delete endpoints, rotate API keys, and read metrics and billing data.