Overview
Quicknode gives AI agents and coding assistants blockchain infrastructure and the tools to use it. Build a Web3 app with your agent, manage your account through chat or a terminal, or let an agent pay per call with no signup.
Install the Build Web3 plugin. Your agent can then plan, build, and improve Web3 apps, and it knows every Quicknode product. In Claude Code:
/plugin marketplace add quicknode/agent-plugins
/plugin install build-web3@quicknode-agent-plugins
Want the skill without the plugin or the MCP server? One command covers any agent:
npx skills add quicknode/agent-plugins --skill build-web3
Then ask your agent to build something:
Build a script that streams USDC transfers on Base into Postgres.
The agent designs the app, selects the products it needs, and writes code with correct method names and schemas. See the plugin page for Codex, Cursor, and other clients.
What Do You Want to Do?
| I want to | Use | Account |
|---|---|---|
| Build a Web3 app with my coding agent | Build Web3 Plugin | Not required |
| Manage my account in natural language | Quicknode MCP | Required |
| Manage my account from a terminal or CI job | CLI | Required |
| Manage my account from my own code | SDK | Required |
| Call RPC endpoints with a wallet, no signup | x402 or MPP | Not required |
| Create an account and API key from an agent | Agent Subscriptions | Created for you |
| Point my agent at the full documentation | LLM-Optimized Docs | Not required |
How Access Works
The Account column above has three values. Each one maps to an access model.
API Key
Create a Quicknode account and generate an API key. This is the standard access model. It covers every product API, based on your pricing plan.
Agentic Payments (x402 and MPP)
Two wallet-based payment protocols give access to the Core API with no account. This includes all blockchain endpoints: RPC, REST, gRPC, and WebSocket. Both protocols handle payment negotiation through their client SDKs.
- x402: Open standard by Coinbase. Supports pay-per-request and credit drawdown.
- MPP: IETF Internet-Draft by Tempo Labs and Stripe. Supports charge and session-based access.
Agent Subscriptions
The Agent Subscription API creates a Quicknode account and activates a subscription in one payment request, through x402 or MPP. The response returns a full platform API key (QN_*).
That key gives the same access as a dashboard signup with a plan. Use it when an agent must manage infrastructure, monitor usage, or reach products such as Streams, Webhooks, Key-Value Store, and the Admin API.
Quicknode APIs
All Quicknode product APIs are standard HTTP, JSON-RPC, REST, gRPC, and WebSocket endpoints. Any client can call them directly, including AI agents. No special tooling is needed. See the documentation home for every product API.
The Admin API is the base for every Quicknode developer tool. The SDK, the CLI, and Quicknode MCP are three interfaces to the same account operations. Pick the one that fits your workflow.