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Beta: The Wallet API is currently in beta. APIs and response formats may change.
All Wallet API requests cost 100 credits per call. See credit costs for details. The identity, batch-identity, and funded-by endpoints require a paid plan — Free-plan requests return 403 Forbidden. All other endpoints are available on every plan.

identity

Get wallet identity by address or SNS/ANS domain

balances

Retrieve all token and NFT balances with USD values

balance-at

Get a token or SOL balance at a past timestamp or slot

history

Fetch transaction history with balance changes

transfers

Get all token transfer activity with sender/recipient info

funded-by

Discover the original funding source for a wallet

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Authentication

All Wallet API requests require authentication via API key: 
# Query parameter
GET https://api.helius.xyz/v1/wallet/{wallet}/balances?api-key=YOUR_API_KEY

# Header (recommended)
GET https://api.helius.xyz/v1/wallet/{wallet}/balances
X-Api-Key: YOUR_API_KEY

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Base URL

https://api.helius.xyz

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Quick Reference

EndpointCreditsFree planDescription
GET /v1/wallet/{wallet}/identity100403Get wallet identity by address or SNS/ANS domain
POST /v1/wallet/batch-identity100403Batch identity lookup (up to 100 addresses/domains)
GET /v1/wallet/{wallet}/balances100AvailableGet all token and NFT balances
GET /v1/wallet/{wallet}/balance-at100AvailableGet a token or SOL balance at a past timestamp, datetime, or slot
GET /v1/wallet/{wallet}/history100AvailableGet transaction history with balance changes
GET /v1/wallet/{wallet}/transfers100AvailableGet all token transfer activity
GET /v1/wallet/{wallet}/funded-by100403Find the original funding source