Helius - Solana's Leading RPC and API Platform

# Helius > Helius is a developer platform for Solana. Helius provides APIs, RPC nodes, and developer tools for building on Solana. ## Agent Signup AI agents can obtain Helius API keys programmatically via the Helius CLI. - [Agent Instructions (Markdown)](https://helius.dev/api/agents.md): Step-by-step guide for agents to sign up and get API keys - [Agent Instructions (JSON)](https://helius.dev/api/agents.json): Machine-readable structured instructions - Install CLI: `npm install -g helius-cli` - Cost: 1 USDC (Solana mainnet) ## Documentation last_updated: 2026-03-31 --- # Helius Documentation The leading Solana RPC and infrastructure platform. Fast, reliable APIs for building on Solana. ## Getting Started 1. Sign up at https://dashboard.helius.dev 2. Get your API key 3. Start building with any of our APIs below ## Getting Started (Agents) Programmatically create a Helius account and generate an API key. Guide: https://www.helius.dev/docs/agents/cli.md Full instructions: https://dashboard.helius.dev/agents.md ### Step 1: Install CLI Programmatically create accounts and get API keys via CLI: ```bash npm install -g helius-cli ``` ### Step 2: Generate Keypair ```bash helius keygen ``` Output: Creates keypair at `~/.helius/keypair.json` Returns: Wallet address to fund ### Step 3: Fund Wallet Send to the wallet address from Step 2: - 1 USDC (token: `EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v`) - ~0.001 SOL ### Step 4: Signup and Get API Key ```bash helius signup --json ``` #### Success Response (exit code 0): ```json { "status": "SUCCESS", "wallet": "YourWalletAddress...", "projectId": "project-uuid", "projectName": "Project Name", "apiKey": "your-api-key-here", "endpoints": { "mainnet": "https://mainnet.helius-rpc.com/?api-key=your-api-key-here", "devnet": "https://devnet.helius-rpc.com/?api-key=your-api-key-here" }, "credits": 1000000, "transaction": "transaction-signature" } ``` Extract API key: `response.apiKey`