> ## Documentation Index
> Fetch the complete documentation index at: https://www.helius.dev/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Solana API Reference: Complete List

> Comprehensive Solana blockchain APIs including RPC, DAS, webhooks, and data streaming. Complete reference for developers building on Solana with Helius.

### Solana RPC APIs

> [card] [HTTP Methods](https://www.helius.dev/docs/api-reference/rpc/http-methods.md)
>
> Land transactions effectively, query blockchain data instantly, and benefit from enhanced reliability and performance.

> [card] [WebSocket Methods](https://www.helius.dev/docs/api-reference/rpc/websocket-methods.md)
>
> Create responsive applications by subscribing to real-time blockchain events. Eliminate polling and reduce latency in your user interfaces.

### Token & Transaction APIs

> [card] [Digital Asset Standard (DAS)](https://www.helius.dev/docs/api-reference/das.md)
>
> Access standardized token and NFT metadata with a single API call. Handles both regular and compressed NFTs automatically.

> [card] [Priority Fee API](https://www.helius.dev/docs/api-reference/priority-fee/getpriorityfeeestimate.md)
>
> Get recommended transaction fees based on current network conditions. Prevent timeouts and ensure timely confirmation of your transactions.

> [card] [Enhanced Transactions](https://www.helius.dev/docs/api-reference/enhanced-transactions/overview.md)
>
> Retrieve pre-parsed transaction data in human-readable format. Save development time with structured information ready for display.

> [card] [ZK Compression](https://www.helius.dev/docs/api-reference/zk-compression.md)
>
> Dramatically reduce account storage costs by up to 98% for on-chain data.

### Data Streaming APIs

> [card] [LaserStream gRPC](https://www.helius.dev/docs/api-reference/laserstream-grpc.md)
>
> Stream blockchain data with ultra-low latency using lightweight clients. Apply custom filters to receive only the updates relevant to your application.

> [card] [LaserStream WebSocket](https://www.helius.dev/docs/api-reference/rpc/websocket-methods.md)
>
> Standard Solana WebSocket subscriptions plus Helius extensions (`transactionSubscribe`, enhanced `accountSubscribe`). Monitor accounts and receive instant transaction notifications.

> [card] [Webhooks](https://www.helius.dev/docs/api-reference/webhooks.md)
>
> Configure instant notifications for blockchain events sent directly to your application. Eliminate the need for constant polling while maintaining data currency.


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