Helius · Authentication Profile

Helius Authentication

Authentication

Helius secures its APIs with apiKey across 2 declared security schemes, as derived from its OpenAPI definitions.

Web3BlockchainSolanaRPCDASStreams
Methods: apiKey Schemes: 2 OAuth flows: API key in: header, query

Security Schemes

ApiKeyQuery apiKey
· in: query (api-key)
ApiKeyHeader apiKey
· in: header (X-Api-Key)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/helius-openapi.json
summary:
  types:
  - apiKey
  api_key_in:
  - header
  - query
schemes:
- name: ApiKeyQuery
  type: apiKey
  in: query
  parameter: api-key
  description: Your Helius API key. You can get one for free in the [dashboard](https://dashboard.helius.dev/api-keys).
  sources:
  - openapi/helius-openapi.json
- name: ApiKeyHeader
  type: apiKey
  in: header
  parameter: X-Api-Key
  description: API key passed in request header
  sources:
  - openapi/helius-openapi.json