> ## Documentation Index
> Fetch the complete documentation index at: https://www.helius.dev/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# getTransaction
> Returns transaction details for a confirmed transaction.
## Request Parameters
Solana transaction signature as a base-58 encoded string for lookup.
Encoding format for the returned Solana transaction data.
* `json`
* `jsonParsed`
* `base64`
* `base58`
Blockchain commitment level for transaction finality verification.
* `confirmed`
* `finalized`
Maximum Solana transaction version to return in responses (for versioned transaction support).
## OpenAPI
````yaml openapi/rpc-http/getTransaction.yaml POST /
openapi: 3.1.0
info:
title: Solana RPC API
version: 1.0.0
description: >-
Advanced Solana transaction retrieval API for accessing detailed transaction
data, signatures, and execution results from the Solana blockchain.
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0.html
servers:
- url: https://mainnet.helius-rpc.com
description: Mainnet RPC endpoint
- url: https://devnet.helius-rpc.com
description: Devnet RPC endpoint
security: []
paths:
/:
post:
tags:
- RPC
summary: getTransaction
description: >
Retrieve comprehensive transaction details from the Solana blockchain by
transaction signature.
Access complete data including account changes, instruction details,
token transfers, program
logs, and execution status. Support for parsed data, multiple encoding
formats, and transaction versions.
operationId: getTransaction
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
enum:
- '2.0'
description: The JSON-RPC protocol version.
example: '2.0'
default: '2.0'
id:
type: string
description: A unique identifier for the request.
example: '1'
default: '1'
method:
type: string
enum:
- getTransaction
description: The name of the RPC method to invoke.
example: getTransaction
default: getTransaction
params:
type: array
description: Parameters for querying a Solana transaction by signature.
default:
- >-
D13jTJYXoQBcRY9AfT5xRtsew7ENgCkNs6mwwwAcUCp4ZZCEM7YwZ7en4tVsoDa7Gu75Jjj2FgLXNUz8Zmgedff
items:
oneOf:
- type: string
description: >-
Solana transaction signature as a base-58 encoded
string for lookup.
example: >-
D13jTJYXoQBcRY9AfT5xRtsew7ENgCkNs6mwwwAcUCp4ZZCEM7YwZ7en4tVsoDa7Gu75Jjj2FgLXNUz8Zmgedff
- type: string
description: >-
Encoding format for the returned Solana transaction
data.
enum:
- json
- jsonParsed
- base64
- base58
example: json
- type: object
description: >-
Advanced configuration options for Solana transaction
retrieval.
properties:
commitment:
type: string
description: >-
Blockchain commitment level for transaction
finality verification.
enum:
- confirmed
- finalized
example: finalized
maxSupportedTransactionVersion:
type: integer
description: >-
Maximum Solana transaction version to return in
responses (for versioned transaction support).
example: 0
responses:
'200':
description: Successfully retrieved the detailed Solana transaction data.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
description: The JSON-RPC protocol version.
enum:
- '2.0'
example: '2.0'
id:
type: string
description: Identifier matching the request.
example: '1'
result:
type: object
description: >-
Complete Solana transaction details including execution
data.
properties:
slot:
type: integer
description: >-
Solana blockchain slot number when this transaction
was processed.
example: 430
transaction:
type: object
description: >-
Comprehensive Solana transaction object with all
transaction details.
properties:
message:
type: object
description: >-
Solana transaction message containing detailed
execution instructions.
properties:
accountKeys:
type: array
description: >-
List of Solana account public keys involved in
the transaction.
items:
type: string
example: 3UVYmECPPMZSCqWKfENfuoTv51fTDTWicX9xmBD2euKe
header:
type: object
description: >-
Solana transaction header metadata with access
control information.
properties:
numReadonlySignedAccounts:
type: integer
description: >-
Number of read-only signed Solana accounts
in the transaction.
example: 0
numReadonlyUnsignedAccounts:
type: integer
description: >-
Number of read-only unsigned Solana
accounts in the transaction.
example: 3
numRequiredSignatures:
type: integer
description: >-
Number of required signatures for Solana
transaction validation.
example: 1
instructions:
type: array
description: >-
List of program instructions executed within
the Solana transaction.
items:
type: object
properties:
accounts:
type: array
description: >-
Indexed list of Solana accounts accessed
by this instruction.
items:
type: integer
example: 1
data:
type: string
description: >-
Encoded instruction data passed to the
Solana program.
example: >-
37u9WtQpcm6ULa3WRQHmj49EPs4if7o9f1jSRVZpm2dvihR9C8jY4NqEwXUbLwx15HBSNcP1
programIdIndex:
type: integer
description: >-
Index of the Solana program that
processes this instruction.
example: 4
recentBlockhash:
type: string
description: >-
Recent Solana blockhash used for transaction
validity window.
example: mfcyqEXB3DnHXki6KjjmZck6YjmZLvpAByy2fj4nh6B
signatures:
type: array
description: >-
List of cryptographic signatures validating the
Solana transaction.
items:
type: string
example: >-
2nBhEBYYvfaAe16UMNqRHre4YNSskvuYgx3M6E4JP1oDYvZEJHvoPzyUidNgNX5r9sTyN1J9UxtbCXy2rqYcuyuv
meta:
type: object
description: Solana transaction execution metadata and results.
properties:
err:
oneOf:
- type: object
- type: 'null'
description: >-
Error information if Solana transaction failed;
null if successful.
example: null
fee:
type: integer
description: >-
Transaction fee paid in Solana lamports (1 SOL =
1,000,000,000 lamports).
example: 5000
innerInstructions:
type: array
description: >-
List of inner instructions generated during Solana
transaction execution.
items:
type: object
'400':
description: Bad Request - Invalid request parameters or malformed request.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32602
message: Invalid params
id: '1'
'401':
description: Unauthorized - Invalid or missing API key.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32001
message: Unauthorized
id: '1'
'429':
description: Too Many Requests - Rate limit exceeded.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32005
message: Too many requests
id: '1'
'500':
description: Internal Server Error - An error occurred on the server.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32603
message: Internal error
id: '1'
'503':
description: Service Unavailable - The service is temporarily unavailable.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32002
message: Service unavailable
id: '1'
'504':
description: Gateway Timeout - The request timed out.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
example:
jsonrpc: '2.0'
error:
code: -32003
message: Gateway timeout
id: '1'
security:
- ApiKeyQuery: []
components:
schemas:
ErrorResponse:
type: object
properties:
jsonrpc:
type: string
description: The JSON-RPC protocol version.
enum:
- '2.0'
example: '2.0'
error:
type: object
properties:
code:
type: integer
description: The error code.
example: -32602
message:
type: string
description: The error message.
data:
type: object
description: Additional data about the error.
id:
type: string
description: Identifier matching the request.
example: '1'
securitySchemes:
ApiKeyQuery:
type: apiKey
in: query
name: api-key
description: >-
Your Helius API key. You can get one for free in the
[dashboard](https://dashboard.helius.dev/api-keys).
````