# Helius

**Canonical:** https://apis.io/providers/helius/  
**Website:** https://www.helius.dev/  
**APIs profiled:** 20

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.

## Kin Score — 32.1 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 32.1).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 64.6 |
| Governance | 13.6 |
| Contract Governance | 13.6 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 44.3 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | near-conformant |
| Dry Run Mode | no |

## APIs (20)

- **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).
- **Helius Addresses API** — Enhanced on-chain identity data with complete wallet activity and ownership information.
- **Helius Admin API** — The Admin API from Helius — 1 operation(s) for admin.
- **Helius Balances API** — Query token and NFT balances
- **Helius Funding API** — Wallet funding information
- **Helius Helius API Catalog API** — The Helius API Catalog API from Helius — 1 operation(s) for helius api catalog.
- **Helius History API** — Transaction history and balance changes
- **Helius Identity API** — Lookup wallet identities and known addresses
- **Helius NFTs API** — Access comprehensive NFT data including events, collection aggregations, real-time stats, and complete historical activity on Solana.
- **Helius Sender API** — The Sender API from Helius — 2 operation(s) for sender.
- **Helius Tokens API** — Complete token account data, on-chain and off-chain metadata, and detailed information for both fungible and non-fungible Solana tokens.
- **Helius Transactions API** — Enhanced and human-readable transaction histories with decoded instruction data and detailed context.
- **Helius Transfers API** — Token transfer activity
- **Helius Webhooks API** — Configure real-time blockchain notifications for any Solana address, transaction type, or on-chain event with customizable delivery options.

## Agentic access (1)

- **Helius Agentic Access** — 31 operations · 16 acting

## Security (3)

- **Helius Authentication** — apiKey · 2 schemes
- **Helius Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Helius Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Helius Plans Pricing**

## Tags

Web3, Blockchain, Solana, RPC, DAS, Streams

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/helius/). Scores are computed from the provider's own public artifacts under a published rubric.