/wallet/getchainparameters

Get the current values of all chain parameters.

• Source: framework/src/main/java/org/tron/core/services/http/GetChainParametersServlet.java
• Method: GET / POST
• Response: protocol.ChainParameters

Request parameters

GET and POST read visible from the URL query; the servlet does not parse the POST body. int64_as_string is honored only on GET by RateLimiterServlet.

Field	Method	Type	Required	Description
visible	GET / POST	bool	No	Output format; the default is false
int64_as_string	GET	bool	No	When true, serializes int64 parameter values as JSON strings

Example:

curl --request POST \
     --url https://nile.trongrid.io/wallet/getchainparameters \
     --header 'accept: application/json'

Response

Field	Type	Description
chainParameter	repeated	List of chain-parameter key/value pairs

The parameter key corresponds to the parameter index settable via proposals (e.g., getMaintenanceTimeInterval, getEnergyFee).

Response example (Nile, first 8 entries; full list has 75 entries):

{
  "chainParameter": [
    { "key": "getMaintenanceTimeInterval",        "value": 1800000 },
    { "key": "getAccountUpgradeCost",             "value": 9999000000 },
    { "key": "getCreateAccountFee",               "value": 100000 },
    { "key": "getTransactionFee",                 "value": 1000 },
    { "key": "getAssetIssueFee",                  "value": 1024000000 },
    { "key": "getWitnessPayPerBlock",             "value": 8000000 },
    { "key": "getWitnessStandbyAllowance",        "value": 100000000 },
    { "key": "getCreateNewAccountFeeInSystemContract", "value": 1000000 }
    /* ... remaining parameters */
  ]
}

Error responses

Method	Trigger	Response
GET / POST	Request body exceeds node.http.maxMessageSize	Usually HTTP 413 Payload Too Large when rejected by SizeLimitHandler
GET / POST	Internal node error (failed to read DynamicProperties)	{"Error": "<exceptionClass> : <message>"}

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