Enhanced on-chain identity data with complete wallet activity and ownership information.
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openapi: 3.2.0
info:
title: Helius API Catalog Addresses API
version: 1.0.0
summary: Machine-readable discovery document for every Helius API surface on Solana.
description: This document is a discovery catalog — not an operational spec.
contact:
name: Helius Support
url: https://www.helius.dev/contact
email: support@helius.dev
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0.html
servers:
- url: https://mainnet.helius-rpc.com
description: Solana mainnet RPC endpoint (Solana RPC, DAS, Priority Fee, ZK Compression)
- url: https://devnet.helius-rpc.com
description: Solana devnet RPC endpoint
- url: https://sender.helius-rpc.com
description: Helius Sender — global transaction submission
- url: https://api.helius.xyz
description: Helius REST APIs (Wallet API, Enhanced API, Webhooks)
- url: https://admin-api.helius.xyz
description: Helius Admin API — project usage and billing
- url: https://api-mainnet.helius-rpc.com
description: Mainnet RPC endpoint
- url: https://api-devnet.helius-rpc.com
description: Devnet RPC endpoint
- url: http://slc-sender.helius-rpc.com
description: Salt Lake City
- url: http://ewr-sender.helius-rpc.com
description: Newark
- url: http://lon-sender.helius-rpc.com
description: London
- url: http://fra-sender.helius-rpc.com
description: Frankfurt
- url: http://ams-sender.helius-rpc.com
description: Amsterdam
- url: http://sg-sender.helius-rpc.com
description: Singapore
- url: http://tyo-sender.helius-rpc.com
description: Tokyo
tags:
- name: Addresses
description: Enhanced on-chain identity data with complete wallet activity and ownership information.
paths:
/v0/addresses/{address}/names:
get:
tags:
- Addresses
summary: Returns the Solana Naming Service name for a given address
operationId: enhancedApi_getAddressName
parameters:
- $ref: '#/components/parameters/apiKeyParam'
- $ref: '#/components/parameters/EnhancedApi_addressParam'
responses:
'200':
description: Returns the Solana Naming Service name if exists. Otherwise returns null.
content:
application/json:
schema:
$ref: '#/components/schemas/EnhancedApi_NamesResponse'
'400':
$ref: '#/components/responses/EnhancedApi_400-BadRequest'
'401':
$ref: '#/components/responses/EnhancedApi_401-Unauthorized'
'403':
$ref: '#/components/responses/EnhancedApi_403-Forbidden'
'404':
$ref: '#/components/responses/EnhancedApi_404-NotFound'
'429':
$ref: '#/components/responses/EnhancedApi_429-TooManyRequests'
'500':
$ref: '#/components/responses/EnhancedApi_500-InternalServerError'
'503':
$ref: '#/components/responses/EnhancedApi_503-ServiceUnavailable'
'504':
$ref: '#/components/responses/EnhancedApi_504-GatewayTimeout'
x-amazon-apigateway-integration:
httpMethod: GET
type: http_proxy
uri: http://PLACEHOLDER_VIEW_LAYER_DNS_NAME/addresses/{address}/names
connectionType: VPC_LINK
connectionId: PLACEHOLDER_VPC_LINK_ID
requestParameters:
integration.request.path.address: method.request.path.address
servers:
- url: https://api-mainnet.helius-rpc.com
description: Mainnet RPC endpoint
- url: https://api-devnet.helius-rpc.com
description: Devnet RPC endpoint
/v0/addresses/{address}/balances:
get:
tags:
- Addresses
summary: Returns the native balance and token balances for a given address
operationId: enhancedApi_getBalances
parameters:
- $ref: '#/components/parameters/apiKeyParam'
- $ref: '#/components/parameters/EnhancedApi_addressParam'
responses:
'200':
description: Returns the native balance and the token balances for a given account.
content:
application/json:
schema:
$ref: '#/components/schemas/EnhancedApi_BalancesResponse'
'400':
$ref: '#/components/responses/EnhancedApi_400-BadRequest'
'401':
$ref: '#/components/responses/EnhancedApi_401-Unauthorized'
'403':
$ref: '#/components/responses/EnhancedApi_403-Forbidden'
'404':
$ref: '#/components/responses/EnhancedApi_404-NotFound'
'429':
$ref: '#/components/responses/EnhancedApi_429-TooManyRequests'
'500':
$ref: '#/components/responses/EnhancedApi_500-InternalServerError'
'503':
$ref: '#/components/responses/EnhancedApi_503-ServiceUnavailable'
'504':
$ref: '#/components/responses/EnhancedApi_504-GatewayTimeout'
x-amazon-apigateway-integration:
httpMethod: GET
type: http_proxy
uri: http://PLACEHOLDER_VIEW_LAYER_DNS_NAME/addresses/{address}/balances
connectionType: VPC_LINK
connectionId: PLACEHOLDER_VPC_LINK_ID
requestParameters:
integration.request.path.address: method.request.path.address
servers:
- url: https://api-mainnet.helius-rpc.com
description: Mainnet RPC endpoint
- url: https://api-devnet.helius-rpc.com
description: Devnet RPC endpoint
components:
schemas:
EnhancedApi_Balance:
type: object
properties:
mint:
type: string
amount:
type: number
decimals:
type: number
tokenAccount:
type: string
EnhancedApi_ErrorResponse:
type: object
description: JSON-RPC error response format
properties:
jsonrpc:
type: string
example: '2.0'
description: JSON-RPC version
error:
type: object
properties:
code:
type: integer
description: Error code
example: -32602
message:
type: string
description: Error message
example: Invalid params
id:
type: string
description: Request identifier
example: '1'
required:
- jsonrpc
- error
- id
EnhancedApi_BalancesResponse:
type: object
properties:
tokens:
type: array
items:
$ref: '#/components/schemas/EnhancedApi_Balance'
nativeBalance:
type: number
description: In Lamports
EnhancedApi_NamesResponse:
type: object
properties:
domainNames:
type: array
items:
type: string
responses:
EnhancedApi_403-Forbidden:
description: Request was forbidden.
content:
application/json:
schema:
$ref: '#/components/schemas/EnhancedApi_ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32003
message: Forbidden
id: '1'
EnhancedApi_404-NotFound:
description: The specified resource was not found.
content:
application/json:
schema:
$ref: '#/components/schemas/EnhancedApi_ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32601
message: Method not found
id: '1'
EnhancedApi_400-BadRequest:
description: Invalid request.
content:
application/json:
schema:
$ref: '#/components/schemas/EnhancedApi_ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32602
message: Invalid params
id: '1'
EnhancedApi_503-ServiceUnavailable:
description: The service is temporarily unavailable.
content:
application/json:
schema:
$ref: '#/components/schemas/EnhancedApi_ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32002
message: Service unavailable
id: '1'
EnhancedApi_429-TooManyRequests:
description: Exceeded rate limit.
content:
application/json:
schema:
$ref: '#/components/schemas/EnhancedApi_ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32005
message: Rate limit exceeded
id: '1'
EnhancedApi_500-InternalServerError:
description: The server encountered an unexpected condition that prevented it from fulfilling the request.
content:
application/json:
schema:
$ref: '#/components/schemas/EnhancedApi_ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32603
message: Internal error
id: '1'
EnhancedApi_401-Unauthorized:
description: Unauthorized request.
content:
application/json:
schema:
$ref: '#/components/schemas/EnhancedApi_ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32001
message: Unauthorized
id: '1'
EnhancedApi_504-GatewayTimeout:
description: The request timed out.
content:
application/json:
schema:
$ref: '#/components/schemas/EnhancedApi_ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32003
message: Gateway timeout
id: '1'
parameters:
EnhancedApi_addressParam:
name: address
in: path
description: The address to query for.
required: true
schema:
type: string
example: 86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY
default: 86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY
apiKeyParam:
name: api-key
in: query
required: true
description: Helius API key. Obtain from https://dashboard.helius.dev or via `helius signup --json`.
schema:
type: string
securitySchemes:
ApiKeyQuery:
type: apiKey
in: query
name: api-key
description: Your Helius API key. You can get one for free in the [dashboard](https://dashboard.helius.dev/api-keys).
ApiKeyHeader:
type: apiKey
in: header
name: X-Api-Key
description: API key passed in request header
externalDocs:
description: Helius Documentation (canonical)
url: https://www.helius.dev/docs
x-apis:
- id: rpc-http
name: Solana RPC (HTTP)
description: JSON-RPC 2.0 methods for Solana mainnet and devnet, plus Helius extensions such as `getTransactionsForAddress` with server-side filtering and token account helpers (`getTokenAccountsByOwnerV2`, `getProgramAccountsV2`).
specUrl: https://www.helius.dev/openapi/rpc-http.json
docsUrl: https://www.helius.dev/docs/rpc/overview
tags:
- rpc
- json-rpc
- solana
- accounts
- transactions
status: stable
x-specFragments: https://github.com/helius-labs/docs/tree/main/openapi/rpc-http
- id: das-api
name: Digital Asset Standard (DAS) API
description: Unified NFT and token queries for Solana — regular NFTs, compressed NFTs, and fungible tokens — indexed for fast lookups by owner, creator, authority, collection, or search.
specUrl: https://www.helius.dev/openapi/das-api.json
docsUrl: https://www.helius.dev/docs/das-api
tags:
- nft
- tokens
- compressed-nft
- digital-assets
- json-rpc
status: stable
x-specFragments: https://github.com/helius-labs/docs/tree/main/openapi/das-api
- id: sender-api
name: Helius Sender
description: Ultra-low-latency transaction submission with dual routing to validators and Jito infrastructure. Regional endpoints for Salt Lake City, Newark, London, Frankfurt, Amsterdam, Singapore, and Tokyo.
specUrl: https://www.helius.dev/openapi/sender-api.json
docsUrl: https://www.helius.dev/docs/sending-transactions/sender
tags:
- transactions
- sender
- low-latency
- jito
status: stable
x-specFragments: https://github.com/helius-labs/docs/tree/main/openapi/sender-api
- id: wallet-api
name: Wallet API
description: High-performance REST API for Solana wallet data — identity, balances, transaction history, transfers, and funding lineage. Returns pre-indexed results suitable for wallet and portfolio UIs.
specUrl: https://www.helius.dev/openapi/wallet-api.json
docsUrl: https://www.helius.dev/docs/wallet-api/overview
tags:
- wallet
- portfolio
- history
- rest
status: beta
- id: priority-fee-api
name: Priority Fee API
description: Real-time priority fee recommendations across multiple priority levels, derived from recent network activity. Accepts either account keys or a serialized transaction.
specUrl: https://www.helius.dev/openapi/priority-fee-api.json
docsUrl: https://www.helius.dev/docs/priority-fee-api
tags:
- priority-fee
- transactions
- fees
- json-rpc
status: stable
x-specFragments: https://github.com/helius-labs/docs/tree/main/openapi/priority-fee-api
- id: zk-compression
name: ZK Compression Indexer
description: Indexer API for Solana state compression — compressed accounts, compressed token balances, Merkle proofs, and validity proofs. Enables up to 1000x lower storage costs relative to regular accounts.
specUrl: https://www.helius.dev/openapi/zk-compression.json
docsUrl: https://www.helius.dev/docs/zk-compression/introduction
tags:
- zk-compression
- state-compression
- accounts
- proofs
- json-rpc
status: stable
x-specFragments: https://github.com/helius-labs/docs/tree/main/openapi/zk-compression
- id: admin-api
name: Admin API
description: Programmatic access to Helius project usage and billing data — credits consumed, credits remaining, prepaid balances, and subscription details for the current billing cycle.
specUrl: https://www.helius.dev/openapi/admin-api.json
docsUrl: https://www.helius.dev/docs/api-reference/admin
tags:
- admin
- billing
- usage
- rest
status: stable
x-specFragments: https://github.com/helius-labs/docs/tree/main/openapi/admin-api
- id: enhanced-api
name: Enhanced API
description: Decoded, human-readable transaction history, NFT events, and address activity on Solana. Returns typed, parsed data instead of raw instruction bytes.
specUrl: https://www.helius.dev/openapi/enhanced-api.json
docsUrl: https://www.helius.dev/docs/enhanced-transactions/overview
tags:
- enhanced
- parsed-transactions
- nft-events
- history
- rest
status: stable
- id: webhooks
name: Helius Webhooks
description: Real-time HTTP notifications for Solana on-chain events — configure account, transaction, or NFT event subscriptions and receive parsed payloads via HTTPS POST.
specUrl: https://www.helius.dev/openapi/webhooks.json
docsUrl: https://www.helius.dev/docs/webhooks
tags:
- webhooks
- events
- notifications
- rest
status: stable
x-provenance:
method: harvested
publisher: Helius
source: https://www.helius.dev/openapi.json
note: split by refine-openapis from the provider's own published document, verified by fetch (openapi/_original/*.fetch.json);
stamped by stamp-openapi-provenance.py (roadmap#793)