Parse Transaction(s)

Parse individual Solana transactions.

Enhanced Transaction API V1 won't be updated while we work on V2.

Endpoints

• Mainnet – https://api.helius.xyz/v0/transactions

• Devnet – https://api-devnet.helius.xyz/v0/transactions

Parse Transaction(s)

Returns an array of enriched, human-readable transactions of the given transaction signatures. For a full list of Transaction Types and Sources, please see Transaction Types. The maximum number of transactions you can pass into this endpoint is 100.

We only parse NFT actions, Jupiter swaps, and SPL-related transactions. Do not rely on these parsers for DeFi or non-NFT, Jupiter, and SPL transactions.

v0/transactions

post

Authorizations

Query parameters

api-keystringRequired

The api key.

commitmentstring · enumOptional

How finalized a block must be to be included in the search. If not provided, will default to "finalized" commitment. Note that "processed" level commitment is not supported.

Possible values:

Body

transactionsstring[] · max: 100Optional

The transaction IDs/signatures to parse for.

Responses

200

Returns an array of enriched transactions.

application/json

400

Invalid request.

application/json

401

Unauthorized request.

application/json

403

Request was forbidden.

application/json

404

The specified resource was not found.

application/json

429

Exceeded rate limit.

application/json

500

The server encountered an unexpected condition that prevented it from fulfilling the request.

application/json

post

HTTPcURLJavaScriptPython

POST /v0/transactions HTTP/1.1
Host: api.helius.xyz
Authorization: Basic username:password
Content-Type: application/json
Accept: */*
Content-Length: 25

{
  "transactions": [
    "text"
  ]
}

[
  {
    "description": "Human readable interpretation of the transaction",
    "type": "UNKNOWN",
    "source": "FORM_FUNCTION",
    "fee": 5000,
    "feePayer": "8cRrU1NzNpjL3k2BwjW3VixAcX6VFc29KHr4KZg8cs2Y",
    "signature": "yy5BT9benHhx8fGCvhcAfTtLEHAtRJ3hRTzVL16bdrTCWm63t2vapfrZQZLJC3RcuagekaXjSs2zUGQvbcto8DK",
    "slot": 148277128,
    "timestamp": 1656442333,
    "nativeTransfers": [
      {
        "fromUserAccount": "text",
        "toUserAccount": "text",
        "amount": 1
      }
    ],
    "tokenTransfers": [
      {
        "fromUserAccount": "text",
        "toUserAccount": "text",
        "fromTokenAccount": "text",
        "toTokenAccount": "text",
        "tokenAmount": 1,
        "mint": "DsfCsbbPH77p6yeLS1i4ag9UA5gP9xWSvdCx72FJjLsx"
      }
    ],
    "accountData": [
      {
        "account": "text",
        "nativeBalanceChange": 1,
        "tokenBalanceChanges": [
          {
            "userAccount": "F54ZGuxyb2gA7vRjzWKLWEMQqCfJxDY1whtqtjdq4CJ",
            "tokenAccount": "2kvmbRybhrcptDnwyNv6oiFGFEnRVv7MvVyqsxkirgdn",
            "mint": "DUSTawucrTsGU8hcqRdHDCbuYhCPADMLM2VcCb8VnFnQ",
            "rawTokenAmount": {
              "tokenAmount": "text",
              "decimals": 1
            }
          }
        ]
      }
    ],
    "transactionError": {
      "error": "text"
    },
    "instructions": [
      {
        "accounts": [
          "8uX6yiUuH4UjUb1gMGJAdkXorSuKshqsFGDCFShcK88B"
        ],
        "data": "kdL8HQJrbbvQRGXmoadaja1Qvs",
        "programId": "MEisE1HzehtrDpAAT8PnLHjpSSkRYakotTuJRPjTpo8",
        "innerInstructions": [
          {
            "accounts": [
              "text"
            ],
            "data": "text",
            "programId": "text"
          }
        ]
      }
    ],
    "events": {
      "nft": {
        "description": "text",
        "type": "NFT_BID",
        "source": "FORM_FUNCTION",
        "amount": 1000000,
        "fee": 5000,
        "feePayer": "8cRrU1NzNpjL3k2BwjW3VixAcX6VFc29KHr4KZg8cs2Y",
        "signature": "4jzQxVTaJ4Fe4Fct9y1aaT9hmVyEjpCqE2bL8JMnuLZbzHZwaL4kZZvNEZ6bEj6fGmiAdCPjmNQHCf8v994PAgDf",
        "slot": 148277128,
        "timestamp": 1656442333,
        "saleType": "AUCTION",
        "buyer": "text",
        "seller": "text",
        "staker": "text",
        "nfts": [
          {
            "mint": "DsfCsbbPH77p6yeLS1i4ag9UA5gP9xWSvdCx72FJjLsx",
            "tokenStandard": "NonFungible"
          }
        ]
      },
      "swap": {
        "nativeInput": {
          "account": "2uySTNgvGT2kwqpfgLiSgeBLR3wQyye1i1A2iQWoPiFr",
          "amount": "100000000"
        },
        "nativeOutput": {
          "account": "2uySTNgvGT2kwqpfgLiSgeBLR3wQyye1i1A2iQWoPiFr",
          "amount": "100000000"
        },
        "tokenInputs": [
          {
            "userAccount": "F54ZGuxyb2gA7vRjzWKLWEMQqCfJxDY1whtqtjdq4CJ",
            "tokenAccount": "2kvmbRybhrcptDnwyNv6oiFGFEnRVv7MvVyqsxkirgdn",
            "mint": "DUSTawucrTsGU8hcqRdHDCbuYhCPADMLM2VcCb8VnFnQ",
            "rawTokenAmount": {
              "tokenAmount": "text",
              "decimals": 1
            }
          }
        ],
        "tokenOutputs": [
          {
            "userAccount": "F54ZGuxyb2gA7vRjzWKLWEMQqCfJxDY1whtqtjdq4CJ",
            "tokenAccount": "2kvmbRybhrcptDnwyNv6oiFGFEnRVv7MvVyqsxkirgdn",
            "mint": "DUSTawucrTsGU8hcqRdHDCbuYhCPADMLM2VcCb8VnFnQ",
            "rawTokenAmount": {
              "tokenAmount": "text",
              "decimals": 1
            }
          }
        ],
        "tokenFees": [
          {
            "userAccount": "F54ZGuxyb2gA7vRjzWKLWEMQqCfJxDY1whtqtjdq4CJ",
            "tokenAccount": "2kvmbRybhrcptDnwyNv6oiFGFEnRVv7MvVyqsxkirgdn",
            "mint": "DUSTawucrTsGU8hcqRdHDCbuYhCPADMLM2VcCb8VnFnQ",
            "rawTokenAmount": {
              "tokenAmount": "text",
              "decimals": 1
            }
          }
        ],
        "nativeFees": [
          {
            "account": "2uySTNgvGT2kwqpfgLiSgeBLR3wQyye1i1A2iQWoPiFr",
            "amount": "100000000"
          }
        ],
        "innerSwaps": [
          {
            "tokenInputs": [
              {
                "fromUserAccount": "text",
                "toUserAccount": "text",
                "fromTokenAccount": "text",
                "toTokenAccount": "text",
                "tokenAmount": 1,
                "mint": "DsfCsbbPH77p6yeLS1i4ag9UA5gP9xWSvdCx72FJjLsx"
              }
            ],
            "tokenOutputs": [
              {
                "fromUserAccount": "text",
                "toUserAccount": "text",
                "fromTokenAccount": "text",
                "toTokenAccount": "text",
                "tokenAmount": 1,
                "mint": "DsfCsbbPH77p6yeLS1i4ag9UA5gP9xWSvdCx72FJjLsx"
              }
            ],
            "tokenFees": [
              {
                "fromUserAccount": "text",
                "toUserAccount": "text",
                "fromTokenAccount": "text",
                "toTokenAccount": "text",
                "tokenAmount": 1,
                "mint": "DsfCsbbPH77p6yeLS1i4ag9UA5gP9xWSvdCx72FJjLsx"
              }
            ],
            "nativeFees": [
              {
                "fromUserAccount": "text",
                "toUserAccount": "text",
                "amount": 1
              }
            ],
            "programInfo": {
              "source": "ORCA",
              "account": "whirLbMiicVdio4qvUfM5KAg6Ct8VwpYzGff3uctyCc",
              "programName": "ORCA_WHIRLPOOLS",
              "instructionName": "whirlpoolSwap"
            }
          }
        ]
      },
      "compressed": {
        "type": "COMPRESSED_NFT_MINT",
        "treeId": "text",
        "assetId": "text",
        "leafIndex": 1,
        "instructionIndex": 1,
        "innerInstructionIndex": 1,
        "newLeafOwner": "text",
        "oldLeafOwner": "text"
      },
      "distributeCompressionRewards": {
        "amount": 1
      },
      "setAuthority": {
        "account": "text",
        "from": "text",
        "to": "text",
        "instructionIndex": 1,
        "innerInstructionIndex": 1
      }
    }
  }
]

Code Example

parseTransaction.js

const url = "https://api.helius.xyz/v0/transactions/?api-key=<your-key>";

const parseTransaction = async () => {
  const response = await fetch(url, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      transactions: ["your-txn-id-here"],
    }),
  });

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

parseTransaction();