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Important Limitations:
  • Enhanced Transaction API V1 won’t be updated while we are working on V2
  • We only parse NFT, Jupiter, and SPL-related transactions
  • Do not rely on these parsers for DeFi or non-NFT, Jupiter, and SPL transactions

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Overview

The Parse Transactions endpoint transforms raw transaction signatures or data into structured, human-readable information. Instead of manually decoding instruction data and account lists, you receive clear details about transfers, swaps, NFT activities, and more.

API Reference

View detailed API documentation for parsing transactions

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Quickstart

Parse one or more transaction signatures with a single API call: 
const parseTransaction = async () => {
  const url = "https://api-mainnet.helius-rpc.com/v0/transactions/?api-key=YOUR_API_KEY";

  const response = await fetch(url, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      transactions: ["5rfFLBUp5YPr6rC2g1KBBW8LGZBcZ8Lvs7gKAdgrBjmQvFf6EKkgc5cpAQUTwGxDJbNqtLYkjV5vS5zVK4tb6JtP"],
    }),
  });

  const data = await response.json();
  console.log("Parsed transaction:", data);
};

parseTransaction();

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Response Structure

Enhanced transaction responses include structured data with human-readable descriptions: 
{
  "description": "Transfer 0.1 SOL to FXvStt8aeQHMGKDgqaQ2HXWfJsXnqiKSoBEpHJahkuD",
  "type": "TRANSFER",
  "source": "SYSTEM_PROGRAM",
  "fee": 5000,
  "feePayer": "M2mx93ekt1fmXSVkTrUL9xVFHkmME8HTUi5Cyc5aF7K",
  "signature": "5rfFLBUp5YPr6rC2g1KBBW8LGZBcZ8Lvs7gKAdgrBjmQvFf6EKkgc5cpAQUTwGxDJbNqtLYkjV5vS5zVK4tb6JtP",
  "slot": 171341028,
  "timestamp": 1674080473,
  "nativeTransfers": [
    {
      "fromUserAccount": "M2mx93ekt1fmXSVkTrUL9xVFHkmME8HTUi5Cyc5aF7K",
      "toUserAccount": "FXvStt8aeQHMGKDgqaQ2HXWfJsXnqiKSoBEpHJahkuD",
      "amount": 100000000
    }
  ],
  "events": {
    "sol": {
      "from": "M2mx93ekt1fmXSVkTrUL9xVFHkmME8HTUi5Cyc5aF7K",
      "to": "FXvStt8aeQHMGKDgqaQ2HXWfJsXnqiKSoBEpHJahkuD",
      "amount": 0.1
    }
  }
}

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What You Get

The parsed transaction data includes:
  • Description: Human-readable summary of what happened
  • Type: Transaction category (TRANSFER, SWAP, NFT_SALE, etc.)
  • Source: Program that executed the transaction
  • Fee Information: Transaction fees and fee payer
  • Native Transfers: SOL movements between accounts
  • Token Transfers: SPL token movements
  • Events: High-level event summaries
  • Timestamps: When the transaction was processed

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Questions?

For frequently asked questions about Enhanced Transactions including usage, authentication, rate limits, and troubleshooting, visit our comprehensive Enhanced Transactions FAQ.