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).

Event Specifications

Helius WebSocket APIs

AsyncAPI 2.6 description of Helius's real-time WebSocket interfaces for Solana. Coverage: * Standard Solana JSON-RPC PubSub subscriptions exposed by Helius RPC. * Helius enhance...

ASYNCAPI

Resources

👥

GitHubOrganization

Sources

aid: helius
url: https://raw.githubusercontent.com/api-evangelist/helius/refs/heads/main/apis.yml
name: Helius
kind: 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-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
  - Web3
  - Blockchain
  - Solana
  - RPC
  - DAS
  - Streams
created: '2026-05-08'
modified: '2026-05-29'
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
    - type: AsyncAPI
      url: asyncapi/helius-asyncapi.yml
  - 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: GitHubOrganization
    url: https://github.com/helius-labs
  - type: LinkedIn
    url: https://www.linkedin.com/company/heliusapi
  - 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: kin@apievangelist.com