agiprolabs/claude-trading-skills/helius-api

Name: helius-api
Author: agiprolabs

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Enhanced Solana RPC with DAS API, parsed transactions, webhooks, and priority fee estimation via Helius

Install

npx vskill@latest install agiprolabs/claude-trading-skills/helius-api

SKILL.md

Helius API — Enhanced Solana RPC

Helius extends standard Solana RPC with parsed transaction history, a unified Digital Asset Standard (DAS) API, webhooks, and priority fee estimation. Essential for wallet analysis, token metadata, and transaction monitoring.

Quick Start

1. Get an API Key

bash

export HELIUS_API_KEY="your-api-key"

2. Install Dependencies

bash

uv pip install httpx python-dotenv

3. Two Base URLs

Helius uses different base URLs depending on the API:

API	Base URL	Protocol
RPC / DAS / Priority Fees	`https://mainnet.helius-rpc.com/?api-key=KEY`	JSON-RPC 2.0
Enhanced Transactions / Webhooks	`https://api-mainnet.helius-rpc.com/v0/...?api-key=KEY`	REST

DAS API (Digital Asset Standard)

Unified interface for querying all Solana digital assets — fungible tokens, NFTs, compressed NFTs, Token-2022.

Get Asset Metadata

python

import httpx, os
API_KEY = os.environ["HELIUS_API_KEY"]
RPC_URL = f"https://mainnet.helius-rpc.com/?api-key={API_KEY}"
resp = httpx.post(RPC_URL, json={
    "jsonrpc": "2.0", "id": 1,
    "method": "getAsset",
    "params": {
        "id": "So11111111111111111111111111111111111111112",  # wSOL
        "options": {"showFungible": True}
    }
})
asset = resp.json()["result"]
# asset.content.metadata.name, asset.token_info.decimals, etc.

Get All Assets for a Wallet

python

resp = httpx.post(RPC_URL, json={
    "jsonrpc": "2.0", "id": 1,
    "method": "getAssetsByOwner",
    "params": {
        "ownerAddress": "WALLET_ADDRESS",
        "page": 1,
        "limit": 100,
        "displayOptions": {
            "showFungible": True,
            "showNativeBalance": True,
            "showZeroBalance": False,
        }
    }
})
assets = resp.json()["result"]["items"]

Search Assets with Filters

python

resp = httpx.post(RPC_URL, json={
    "jsonrpc": "2.0", "id": 1,
    "method": "searchAssets",
    "params": {
        "ownerAddress": "WALLET_ADDRESS",
        "tokenType": "fungible",      # fungible | nonFungible | all
        "page": 1,
        "limit": 50,
    }
})

All DAS Methods

Method	Purpose	Credits
`getAsset`	Single asset metadata	10
`getAssetBatch`	Up to 1,000 assets	10
`getAssetsByOwner`	All assets for a wallet	10
`getAssetsByGroup`	Assets by collection	10
`getAssetsByCreator`	Assets by creator	10
`getAssetsByAuthority`	Assets by update authority	10
`searchAssets`	Multi-criteria filtered search	10
`getAssetProof`	Merkle proof (compressed NFTs)	10
`getAssetProofBatch`	Batch proofs	10
`getSignaturesForAsset`	Tx history for an asset	10
`getNftEditions`	All editions of a master	10
`getTokenAccounts`	Token accounts by mint/owner	10

See references/das_api.md for complete field documentation.

Enhanced Transactions API

Transforms raw Solana transactions into human-readable structured data with categorized types and sources.

Parse a Transaction

python

API_URL = f"https://api-mainnet.helius-rpc.com/v0/transactions?api-key={API_KEY}"
resp = httpx.post(API_URL, json={
    "transactions": ["SIGNATURE_HERE"],
})
parsed = resp.json()[0]
# parsed["type"]        → "SWAP"
# parsed["source"]      → "JUPITER"
# parsed["description"] → "User swapped 1 SOL for 150 USDC on Jupiter"
# parsed["tokenTransfers"] → [{mint, amount, from, to}, ...]
# parsed["nativeTransfers"] → [{from, to, amount}, ...]

Get Parsed Transaction History for a Wallet

python

url = f"https://api-mainnet.helius-rpc.com/v0/addresses/{wallet}/transactions"
resp = httpx.get(url, params={
    "api-key": API_KEY,
    "limit": 50,
    "type": "SWAP",  # optional filter
})
history = resp.json()

Transaction Types (151+)

Key types for trading analysis:

Type	Meaning
`SWAP`	DEX swap
`TRANSFER`	Token/SOL transfer
`ADD_LIQUIDITY` / `REMOVE_LIQUIDITY`	LP operations
`NFT_SALE` / `NFT_MINT` / `NFT_LISTING`	NFT marketplace
`STAKE_SOL` / `UNSTAKE_SOL`	Staking
`CREATE_ORDER` / `FILL_ORDER`	Limit orders

Transaction Sources (50+)

JUPITER, RAYDIUM, ORCA, MAGIC_EDEN, TENSOR, MARINADE, METEORA, PHANTOM, etc.

See references/enhanced_transactions.md for full type/source enums.

Webhooks

Real-time notifications for on-chain events — no polling required.

Create a Webhook

python

url = f"https://api-mainnet.helius-rpc.com/v0/webhooks?api-key={API_KEY}"
resp = httpx.post(url, json={
    "webhookURL": "https://your-server.com/helius-hook",
    "transactionTypes": ["SWAP", "TRANSFER"],
    "accountAddresses": ["WalletAddress1", "WalletAddress2"],
    "webhookType": "enhanced",
    "authHeader": "your-secret-token",
})
webhook_id = resp.json()["webhookID"]

Webhook Types

Type	Data Format	Filtering
`enhanced`	Parsed (like Enhanced Transactions API)	By transaction type + account
`raw`	Unprocessed transaction data	By account only (lower latency)
`discord`	Formatted messages to Discord channel	By transaction type + account

Manage Webhooks

python

# List all
webhooks = httpx.get(f"{url}?api-key={API_KEY}").json()
# Update
httpx.put(f"{url}/{webhook_id}?api-key={API_KEY}", json={
    "webhookURL": "https://new-url.com/hook",
    "transactionTypes": ["SWAP"],
    "accountAddresses": ["NewWallet..."],
    "webhookType": "enhanced",
})
# Delete
httpx.delete(f"{url}/{webhook_id}?api-key={API_KEY}")

Up to 100,000 addresses per webhook (via API). 1 credit per event delivered.

Priority Fee API

Estimate optimal priority fees for transaction landing.

python

resp = httpx.post(RPC_URL, json={
    "jsonrpc": "2.0", "id": 1,
    "method": "getPriorityFeeEstimate",
    "params": [{
        "accountKeys": ["JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4"],
        "options": {
            "includeAllPriorityFeeLevels": True,
            "recommended": True,
        }
    }]
})
fees = resp.json()["result"]
# fees["priorityFeeEstimate"]  → recommended fee (microlamports/CU)
# fees["priorityFeeLevels"]    → {min, low, medium, high, veryHigh, unsafeMax}

Level	Percentile	Use Case
`min`	0-20th	Non-urgent
`low`	20-40th	Standard transfers
`medium`	40-60th	DEX swaps (recommended default)
`high`	60-80th	Time-sensitive
`veryHigh`	80-95th	Critical timing
`unsafeMax`	100th	Emergency only

Fee in microlamports/CU. Total priority fee = microlamports/CU × compute units consumed.

Pricing & Rate Limits

Plan	Price/mo	Credits	RPC req/s	DAS req/s
Free	$0	1M	10	2
Developer	$49	10M	50	10
Business	$499	100M	200	50
Professional	$999	200M	500	100

Credit costs: Standard RPC = 1, DAS = 10, Enhanced Txns = 100, Webhooks = 1/event. Additional credits: $5/million.

Files

References

references/das_api.md — Complete DAS API field reference and response schemas
references/enhanced_transactions.md — Transaction types, sources, and response structure
references/webhooks.md — Webhook setup, management, and event handling
references/error_handling.md — Rate limits, error codes, and retry strategies

Scripts

scripts/wallet_analysis.py — Fetch wallet assets and parsed transaction history
scripts/token_lookup.py — Look up token metadata and holder information via DAS

Security

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Source

SKILL.md in the repositoryCheckingskills/helius-api/SKILL.md

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