parsedTransactionSubscribe

Start a subscription. Every confirmed transaction that matches your filter arrives as a parsedTransactionNotification, already decoded: every instruction with named arguments and named accounts, plus the fee, the full account key list, a transaction-level summary, and the SOL and token transfers.

Endpoints

Parsed Streams is in closed beta. The Helius team whitelists your project id and shares the connection endpoint with you:

wss://<ENDPOINT>/?api-key=<API_KEY>

Authorizations

string

obrigatório

Your Helius API key, passed as the api-key query parameter or the x-api-key header. A missing, invalid, or non-whitelisted key is rejected with HTTP 401.

Body

array

obrigatório

Ocultar Filter

At least one of programs or accounts.include is required. The fields you set combine with AND: an instruction must satisfy all of them to match.

string[]

Program IDs to match (base58 addresses, not names). An instruction matches if its program is in this list. OR within the list.

string[]

Decoded instruction names, such as route. Matched exactly first, then with a case and separator insensitive fallback, so sharedAccountsRoute also matches the wire name shared_accounts_route. OR within the list. Only instructions whose name the catalog could identify can match, so take names from describeProgram.

string[]

Account addresses. An instruction matches if any of these appears in its account list. OR within the list. Works for every instruction, decoded or not. The program id itself does not count as an account here.

object

A map of decoded account role name to address, such as { "user_transfer_authority": "<pubkey>" }. Every entry must hold (AND across entries), and the instruction must be decoded for this to apply. Role names match exactly, with no case folding, so copy them from describeProgram rather than guessing.

boolean

padrão:"false"

Include instructions from failed transactions.

boolean

padrão:"true"

Inner (CPI) instructions are eligible to match. Set false to match top-level instructions only.

Mostrar Options

The second param is optional.

string

padrão:"confirmed"

Only confirmed is supported.

string

padrão:"full"

What each notification carries. full: the whole transaction, every instruction, plus matchedIndexes pointing at the filter hits. matched: only the instructions that matched, no index list. raw: matched instructions only, each reduced to its position, programId, and base58 data blob, with no decoded fields and no accountKeys array. Use matched when bandwidth matters more than context (full payloads average roughly three times the size), and raw when you decode instruction data yourself and only need the bytes.

Unknown fields anywhere in the filter or options are rejected with -32602 rather than silently ignored, so typos fail loudly instead of matching nothing.

Response

integer

Subscription id (needed to unsubscribe)

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "parsedTransactionSubscribe",
  "params": [
    {
      "programs": ["JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4"],
      "instructionNames": ["route", "shared_accounts_route"],
      "accounts": {
        "include": ["So11111111111111111111111111111111111111112"],
        "roles": { "user_transfer_authority": "9xQeWvG816bUx9EPjHmaT23yvVM2ZWbrrpZb9PusVFin" }
      },
      "includeFailed": false,
      "includeCpi": true
    },
    { "commitment": "confirmed", "details": "full" }
  ]
}

import WebSocket from "ws";

const ws = new WebSocket("wss://<ENDPOINT>/?api-key=<API_KEY>");

ws.on("open", () => {
  ws.send(JSON.stringify({
    jsonrpc: "2.0",
    id: 1,
    method: "parsedTransactionSubscribe",
    params: [{ programs: ["JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4"] }],
  }));
});

ws.on("message", (data) => {
  const msg = JSON.parse(data.toString());
  if (msg.method === "parsedTransactionNotification") {
    const { transaction, instructions, matchedIndexes } = msg.params.result.value;
    for (const i of matchedIndexes ?? instructions.keys()) {
      const ix = instructions[i];
      console.log(transaction.signature, ix.programName, ix.instructionName, ix.decoded?.args);
    }
  }
});

import asyncio, json, websockets

URL = "wss://<ENDPOINT>/?api-key=<API_KEY>"

async def main():
    async with websockets.connect(URL) as ws:
        await ws.send(json.dumps({
            "jsonrpc": "2.0", "id": 1, "method": "parsedTransactionSubscribe",
            "params": [{"programs": ["JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4"]}],
        }))
        async for raw in ws:
            msg = json.loads(raw)
            if msg.get("method") == "parsedTransactionNotification":
                value = msg["params"]["result"]["value"]
                for i in value.get("matchedIndexes") or range(len(value["instructions"])):
                    ix = value["instructions"][i]
                    print(ix.get("programName"), ix.get("instructionName"), (ix.get("decoded") or {}).get("args"))

asyncio.run(main())

{ "jsonrpc": "2.0", "id": 1, "result": 23 }

{
  "jsonrpc": "2.0",
  "method": "parsedTransactionNotification",
  "params": {
    "subscription": 23,
    "result": {
      "context": { "slot": 430172053 },
      "value": {
        "transaction": {
          "signature": "3riSYL4HTRxgQjLayt6L2JPaDR3oaEQg1H4v3fnjUxNU...",
          "slot": 430172053,
          "blockTime": null,
          "feePayer": "6jduWNCTQzG91JGBchfGGxd55Vi5FxJCCJEV18RkXzJX",
          "fee": 5000,
          "accountKeys": ["6jduWNCT...", "..."],
          "status": "ok",
          "error": null,
          "summary": {
            "type": "swap",
            "description": "6jduWNCTQzG91JGBchfGGxd55Vi5FxJCCJEV18RkXzJX swapped 0.001 SOL for 0.183985 EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v via Jupiter",
            "parsedData": {
              "type": "swap",
              "protocol": "jupiter",
              "kind": "swap",
              "in_amount": "1000000",
              "actual_out_amount": "183985",
              "input_mint": "So11111111111111111111111111111111111111112",
              "output_mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
            }
          },
          "nativeTransfers": [
            { "fromUserAccount": "6jduWNCT...", "toUserAccount": "DfXygSm4...", "amount": 1000000 }
          ],
          "tokenTransfers": [
            {
              "fromUserAccount": "6jduWNCT...",
              "toUserAccount": "AeUfFU6L...",
              "fromTokenAccount": "HLaEoW1s...",
              "toTokenAccount": "G13P9kSY...",
              "rawTokenAmount": 183985,
              "decimals": 6,
              "tokenStandard": "Fungible",
              "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
            }
          ]
        },
        "instructions": [
          {
            "topIndex": 4,
            "innerIndex": null,
            "stackHeight": 1,
            "programId": "JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4",
            "programName": "jupiter",
            "instructionName": "route",
            "summary": {
              "type": "swap",
              "description": "6jduWNCTQzG91JGBchfGGxd55Vi5FxJCCJEV18RkXzJX swapped 0.001 SOL for 0.183985 EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v via Jupiter",
              "parsedData": {
                "type": "swap",
                "protocol": "jupiter",
                "kind": "swap",
                "in_amount": "1000000",
                "actual_out_amount": "183985",
                "input_mint": "So11111111111111111111111111111111111111112",
                "output_mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
              }
            },
            "decoded": {
              "args": { "in_amount": "1000000", "slippage_bps": 50 },
              "accounts": [
                { "name": "user_transfer_authority", "pubkey": "9xQe...", "isSigner": true, "isWritable": false }
              ]
            }
          }
        ],
        "matchedIndexes": [8, 13]
      }
    }
  }
}

Notifications

One notification per matching transaction per subscription. Inside params.result.value:

transaction — the full context: signature, slot, fee (lamports), the complete accountKeys list, status/error, a transaction-level summary, and the extracted nativeTransfers and tokenTransfers.
instructions — every instruction in execution order, positioned by topIndex, innerIndex, and stackHeight. Decoded instructions carry named decoded.args and decoded.accounts (snake_case, u64 values as strings); undecoded ones carry rawData and rawAccounts instead.
matchedIndexes — indices into instructions telling you which ones your filter actually hit. With details: "matched" the array contains only the hits and matchedIndexes is absent; with details: "raw" each matched instruction shrinks to its position, programId, and base58 data blob.

For a field-by-field reading of the notification payload, see the quickstart protocol reference.

Managing Subscriptions

The result from the subscribe response is the same number that appears in params.subscription on every notification from that subscription. Store it — you need it to unsubscribe. A project may hold up to 100 concurrent connections, shared across all of its API keys, with up to 25 subscriptions per connection. See the overview for all limits.

Parsed Streams Reference

parsedTransactionUnsubscribe

⌘I

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "parsedTransactionSubscribe",
  "params": [
    {
      "programs": ["JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4"],
      "instructionNames": ["route", "shared_accounts_route"],
      "accounts": {
        "include": ["So11111111111111111111111111111111111111112"],
        "roles": { "user_transfer_authority": "9xQeWvG816bUx9EPjHmaT23yvVM2ZWbrrpZb9PusVFin" }
      },
      "includeFailed": false,
      "includeCpi": true
    },
    { "commitment": "confirmed", "details": "full" }
  ]
}

import WebSocket from "ws";

const ws = new WebSocket("wss://<ENDPOINT>/?api-key=<API_KEY>");

ws.on("open", () => {
  ws.send(JSON.stringify({
    jsonrpc: "2.0",
    id: 1,
    method: "parsedTransactionSubscribe",
    params: [{ programs: ["JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4"] }],
  }));
});

ws.on("message", (data) => {
  const msg = JSON.parse(data.toString());
  if (msg.method === "parsedTransactionNotification") {
    const { transaction, instructions, matchedIndexes } = msg.params.result.value;
    for (const i of matchedIndexes ?? instructions.keys()) {
      const ix = instructions[i];
      console.log(transaction.signature, ix.programName, ix.instructionName, ix.decoded?.args);
    }
  }
});

import asyncio, json, websockets

URL = "wss://<ENDPOINT>/?api-key=<API_KEY>"

async def main():
    async with websockets.connect(URL) as ws:
        await ws.send(json.dumps({
            "jsonrpc": "2.0", "id": 1, "method": "parsedTransactionSubscribe",
            "params": [{"programs": ["JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4"]}],
        }))
        async for raw in ws:
            msg = json.loads(raw)
            if msg.get("method") == "parsedTransactionNotification":
                value = msg["params"]["result"]["value"]
                for i in value.get("matchedIndexes") or range(len(value["instructions"])):
                    ix = value["instructions"][i]
                    print(ix.get("programName"), ix.get("instructionName"), (ix.get("decoded") or {}).get("args"))

asyncio.run(main())

{ "jsonrpc": "2.0", "id": 1, "result": 23 }

{
  "jsonrpc": "2.0",
  "method": "parsedTransactionNotification",
  "params": {
    "subscription": 23,
    "result": {
      "context": { "slot": 430172053 },
      "value": {
        "transaction": {
          "signature": "3riSYL4HTRxgQjLayt6L2JPaDR3oaEQg1H4v3fnjUxNU...",
          "slot": 430172053,
          "blockTime": null,
          "feePayer": "6jduWNCTQzG91JGBchfGGxd55Vi5FxJCCJEV18RkXzJX",
          "fee": 5000,
          "accountKeys": ["6jduWNCT...", "..."],
          "status": "ok",
          "error": null,
          "summary": {
            "type": "swap",
            "description": "6jduWNCTQzG91JGBchfGGxd55Vi5FxJCCJEV18RkXzJX swapped 0.001 SOL for 0.183985 EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v via Jupiter",
            "parsedData": {
              "type": "swap",
              "protocol": "jupiter",
              "kind": "swap",
              "in_amount": "1000000",
              "actual_out_amount": "183985",
              "input_mint": "So11111111111111111111111111111111111111112",
              "output_mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
            }
          },
          "nativeTransfers": [
            { "fromUserAccount": "6jduWNCT...", "toUserAccount": "DfXygSm4...", "amount": 1000000 }
          ],
          "tokenTransfers": [
            {
              "fromUserAccount": "6jduWNCT...",
              "toUserAccount": "AeUfFU6L...",
              "fromTokenAccount": "HLaEoW1s...",
              "toTokenAccount": "G13P9kSY...",
              "rawTokenAmount": 183985,
              "decimals": 6,
              "tokenStandard": "Fungible",
              "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
            }
          ]
        },
        "instructions": [
          {
            "topIndex": 4,
            "innerIndex": null,
            "stackHeight": 1,
            "programId": "JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4",
            "programName": "jupiter",
            "instructionName": "route",
            "summary": {
              "type": "swap",
              "description": "6jduWNCTQzG91JGBchfGGxd55Vi5FxJCCJEV18RkXzJX swapped 0.001 SOL for 0.183985 EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v via Jupiter",
              "parsedData": {
                "type": "swap",
                "protocol": "jupiter",
                "kind": "swap",
                "in_amount": "1000000",
                "actual_out_amount": "183985",
                "input_mint": "So11111111111111111111111111111111111111112",
                "output_mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
              }
            },
            "decoded": {
              "args": { "in_amount": "1000000", "slippage_bps": 50 },
              "accounts": [
                { "name": "user_transfer_authority", "pubkey": "9xQe...", "isSigner": true, "isWritable": false }
              ]
            }
          }
        ],
        "matchedIndexes": [8, 13]
      }
    }
  }
}

Referência de API

APIs Solana RPC

APIs Solana

APIs de Transmissão de Dados

APIs de Escuta de Eventos

APIs de Gerenciamento de Conta

Endpoints

Authorizations

Body

Response

Notifications

Managing Subscriptions

​Endpoints

​Authorizations

​Body

​Response

​Notifications

​Managing Subscriptions

Endpoints

Authorizations

Body

Response

Notifications

Managing Subscriptions