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Helius Api

Query Solana data via the Helius API.

Overview

Query Solana data via the Helius API.

Query comprehensive Solana data via REST endpoints. Requires HELIUS_API_KEY env var.

bash

export HELIUS_API_KEY="your-key-here"

Get a key at

Wallet API: https://api.helius.xyz/v1/wallet/{address}/...?api-key=KEY
Enhanced Transactions: https://api-mainnet.helius-rpc.com/v0/...?api-key=KEY

Auth: ?api-key=$HELIUS_API_KEY query param or X-Api-Key header.

Endpoint	Path	Description
Balances	/v1/wallet/{address}/balances	Token + NFT holdings with USD values
History	/v1/wallet/{address}/history	Parsed transaction history with balance changes
Transfers	/v1/wallet/{address}/transfers	Token transfer activity (sent/received)
Identity	/v1/wallet/{address}/identity	Known wallet labels (exchanges, protocols)
Batch Identity	/v1/wallet/batch-identity (POST)	Look up up to 100 addresses at once
Funded By	/v1/wallet/{address}/funded-by	Original funding source of a wallet

Endpoint	Path	Description
Parse Transactions	/v0/transactions/ (POST)	Parse signatures into human-readable data
Transaction History	/v0/addresses/{address}/transactions	Enhanced tx history with type/time/slot filtering

Read the appropriate file for detailed parameters, response formats, and examples:

Balances (portfolio, holdings, USD values): See references/balances.md
History (wallet tx history, P&L, tax reports): See references/history.md
Transfers (sent/received, payment tracking): See references/transfers.md
Identity (wallet labels, exchange detection): See references/identity.md
Funded By (funding source, sybil detection): See references/funded-by.md
Enhanced Transactions (parse tx, enhanced history): See references/enhanced-transactions.md