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check_tx REST API Endpoint

Checks the transaction without executing it.

Updated on
Mar 17, 2026
Please refer to Tendermint official documentation for formatting/encoding rules.

Query Parameters

tx
string
REQUIRED

The transaction

Returns

error
string

The error field, if any

result
object

The result object which contains the following fields:

code
integer

The status code of the transaction verification

data
string

A base64-encoded string containing additional data related to the transaction verification

log
string

A human-readable log providing additional details about the transaction validation process

info
string

An optional field containing extra information about the transaction verification

gas_wanted
string

The amount of gas requested to execute the transaction

gas_used
string

The actual amount of gas consumed during the transaction verification

events
array

Events emitted during the transaction execution

type
string

The type of the event

attributes
array

The attributes associated with the event

key
string

Key of the attribute

value
string

Value of the attribute

index
string

Indicates if the attribute is indexed

codespace
string

Codespace associated with the transaction result

Request
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