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Helius Helius API Catalog API

The Helius API Catalog API from Helius — 1 operation(s) for helius api catalog.

Helius Helius API Catalog API is one of 20 APIs that Helius publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Helius API Catalog. The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 1 operation across 1 path, and defines 3 schemas. It is described by OpenAPI 3.1.0, at version 1.0.0.

Requests are made against 14 base URLs: https://mainnet.helius-rpc.com, https://devnet.helius-rpc.com, https://sender.helius-rpc.com, https://api.helius.xyz, https://admin-api.helius.xyz, https://api-mainnet.helius-rpc.com, https://api-devnet.helius-rpc.com, http://slc-sender.helius-rpc.com, http://ewr-sender.helius-rpc.com, http://lon-sender.helius-rpc.com, http://fra-sender.helius-rpc.com, http://ams-sender.helius-rpc.com, http://sg-sender.helius-rpc.com, http://tyo-sender.helius-rpc.com.

1 operations 1 paths 3 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
1.0.0
Base URL
https://mainnet.helius-rpc.com/?api-key={apiKey}
Authentication
API Key, API Key
License
Resource Areas
1

Authentication & Security 2

Helius Helius API Catalog API declares 2 security schemes for authenticating requests. An API key is passed in the query as api-key (ApiKeyQuery). An API key is passed in the header as X-Api-Key (ApiKeyHeader).

  • ApiKeyQuery — Your Helius API key. You can get one for free in the [dashboard](https://dashboard.helius.dev/api-keys).
  • ApiKeyHeader — API key passed in request header

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.

Helius API Catalog 1
POST
/
Get Solana priority fee estimates
priorityFeeApi_getPriorityFeeEstimate body → 200400401429500

Schemas 3

The contract defines 3 schemas that model the data the API accepts and returns. The most detailed are PriorityFeeApi_PriorityFeeOptions (7 properties), PriorityFeeApi_PriorityFeeEstimateRequest (4 properties), PriorityFeeApi_PriorityFeeEstimateResponse (3 properties). Each schema is shown below with its type and property counts.

PriorityFeeApi_PriorityFeeEstimateRequest
object
4 properties
PriorityFeeApi_PriorityFeeEstimateResponse
object
3 properties
PriorityFeeApi_PriorityFeeOptions
object
Advanced options for customizing Solana priority fee estimation based on network conditions
7 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

helius-helius-api-catalog-api-openapi.yml Raw ↑

Other APIs Helius publishes across the network.

Helius Solana RPC
Helius Digital Asset Standard (DAS) API
Helius Enhanced Transactions API
Helius Webhooks
Helius LaserStream
Helius Sender
Helius Photon RPC (ZK Compression)
Helius Addresses API
Helius Admin API
Helius Balances API
Helius Funding API
Helius History API