Helius

Helius is a Solana developer platform offering Solana JSON-RPC, the Digital Asset Standard (DAS) API for NFTs/tokens, Enhanced Transactions, Webhooks, LaserStream gRPC streaming, Sender (transaction routing), Photon RPC, and Dedicated Nodes.

7 APIs 0 Features

Web3BlockchainSolanaRPCDASStreams

APIs

Helius Solana RPC

Solana JSON-RPC and WebSocket endpoints with enhanced WebSockets, archival data, and staked connections.

Helius Digital Asset Standard (DAS) API

Solana JSON-RPC API for unified asset queries (compressed NFTs, regular NFTs, tokens) including getAsset, getAssetsByOwner, searchAssets.

Helius Enhanced Transactions API

REST API for parsed and human-readable Solana transaction history with token metadata.

Helius Webhooks

REST API for managing webhook subscriptions for Solana on-chain events with parsed transaction payloads.

Helius LaserStream

Low-latency gRPC streaming of Solana account, slot, transaction, and block updates (Geyser-compatible).

Helius Sender

Parallel transaction routing through Helius and Jito for inclusion latency optimization.

Helius Photon RPC (ZK Compression)

Indexed RPC for Solana ZK compression (compressed accounts).

Resources

Sources

aid: helius
url: https://raw.githubusercontent.com/api-evangelist/helius/refs/heads/main/apis.yml
name: Helius
x-type: company
description: Helius is a Solana developer platform offering Solana JSON-RPC, the Digital
  Asset Standard (DAS) API for NFTs/tokens, Enhanced Transactions, Webhooks, LaserStream
  gRPC streaming, Sender (transaction routing), Photon RPC, and Dedicated Nodes.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
- Web3
- Blockchain
- Solana
- RPC
- DAS
- Streams
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- aid: helius:rpc
  name: Helius Solana RPC
  description: Solana JSON-RPC and WebSocket endpoints with enhanced WebSockets, archival
    data, and staked connections.
  humanURL: https://www.helius.dev/docs/rpc
  baseURL: https://mainnet.helius-rpc.com/?api-key={apiKey}
  tags:
  - JSON-RPC
  - Solana
  - WebSocket
  properties:
  - type: Documentation
    url: https://www.helius.dev/docs/rpc
- aid: helius:das
  name: Helius Digital Asset Standard (DAS) API
  description: Solana JSON-RPC API for unified asset queries (compressed NFTs, regular
    NFTs, tokens) including getAsset, getAssetsByOwner, searchAssets.
  humanURL: https://www.helius.dev/docs/das-api
  baseURL: https://mainnet.helius-rpc.com/?api-key={apiKey}
  tags:
  - JSON-RPC
  - DAS
  - NFT
  properties:
  - type: Documentation
    url: https://www.helius.dev/docs/das-api
- aid: helius:enhanced-tx
  name: Helius Enhanced Transactions API
  description: REST API for parsed and human-readable Solana transaction history with
    token metadata.
  humanURL: https://www.helius.dev/docs/api-reference/enhanced-transactions-api
  baseURL: https://api.helius.xyz/v0
  tags:
  - REST
  - Transactions
  properties:
  - type: Documentation
    url: https://www.helius.dev/docs/api-reference/enhanced-transactions-api
- aid: helius:webhooks
  name: Helius Webhooks
  description: REST API for managing webhook subscriptions for Solana on-chain events
    with parsed transaction payloads.
  humanURL: https://www.helius.dev/docs/webhooks
  baseURL: https://api.helius.xyz/v0/webhooks
  tags:
  - REST
  - Webhooks
  properties:
  - type: Documentation
    url: https://www.helius.dev/docs/webhooks
- aid: helius:laserstream
  name: Helius LaserStream
  description: Low-latency gRPC streaming of Solana account, slot, transaction, and
    block updates (Geyser-compatible).
  humanURL: https://www.helius.dev/docs/laserstream
  baseURL: grpc://laserstream-mainnet.helius-rpc.com
  tags:
  - gRPC
  - Streaming
  properties:
  - type: Documentation
    url: https://www.helius.dev/docs/laserstream
- aid: helius:sender
  name: Helius Sender
  description: Parallel transaction routing through Helius and Jito for inclusion
    latency optimization.
  humanURL: https://www.helius.dev/docs/sender
  baseURL: https://sender.helius-rpc.com
  tags:
  - JSON-RPC
  - Transactions
  - Jito
  properties:
  - type: Documentation
    url: https://www.helius.dev/docs/sender
- aid: helius:photon
  name: Helius Photon RPC (ZK Compression)
  description: Indexed RPC for Solana ZK compression (compressed accounts).
  humanURL: https://www.helius.dev/docs/photon
  baseURL: https://mainnet.helius-rpc.com
  tags:
  - JSON-RPC
  - ZK Compression
  properties:
  - type: Documentation
    url: https://www.helius.dev/docs/photon
common:
- type: Website
  url: https://www.helius.dev/
- type: Plans
  url: plans/helius-plans-pricing.yml
- type: RateLimits
  url: rate-limits/helius-rate-limits.yml
- type: FinOps
  url: finops/helius-finops.yml
maintainers:
- FN: Kin Lane
  email: [email protected]