/wallet/getcandelegatedmaxsize

Query the maximum amount of resource an account can currently delegate (Stake 2.0).

• Source: framework/src/main/java/org/tron/core/services/http/GetCanDelegatedMaxSizeServlet.java
• Method: GET / POST
• Response: api.CanDelegatedMaxSizeResponseMessage
• Solidity endpoint: /walletsolidity/getcandelegatedmaxsize

Request parameters

Field	Type	Required	Description
owner_address	string	Yes	Account address
type	int32	No	Resource type: 0=BANDWIDTH (default), 1=ENERGY
visible	bool	No	Address format

Example:

curl --request POST \
     --url https://nile.trongrid.io/wallet/getcandelegatedmaxsize \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "owner_address": "41dd791d6b49e190062d650e6a23c575510d35f2f9",
  "type": 1
}
'

Response

Field	Type	Description
max_size	int64	Maximum frozen amount that can be delegated (sun)

Response example (account has 0 delegatable ENERGY; proto default is not serialized, returns empty {}; when there is delegatable resource it looks like {"max_size": 5000000000}):

{}

Error responses

Trigger	Response
Request body exceeds node.maxMessageSize (POST)	{"Error": "class java.lang.Exception : body size is too big, the limit is <N>"}
type is not numeric (GET)	{"Error": "class java.lang.NumberFormatException : <message>"}
owner_address is not valid base58check (visible=true)	GET: with non-base58 characters, throws {"Error": "class java.lang.IllegalArgumentException : <details>"}; if only the checksum is wrong, Util.getHexAddress silently returns empty string → no record found, returns {}. POST (via JsonFormat.merge): with non-base58 characters, throws {"Error": "class org.tron.core.services.http.JsonFormat$ParseException : <pos>: INVALID base58 String, ..."}; if only the checksum is wrong, throws {"Error": "class java.lang.NullPointerException : null"}
owner_address is not valid hex (visible=false)	{"Error": "class org.bouncycastle.util.encoders.DecoderException : <message>"} (GET); {"Error": "class org.tron.core.services.http.JsonFormat$ParseException : <message>"} (POST)
Request body is not valid JSON / field type mismatch (POST)	{"Error": "class com.alibaba.fastjson.JSONException : <parser info>"} or {"Error": "class org.tron.core.services.http.JsonFormat$ParseException : <decoder info>"}
Other exceptions	{"Error": "<exceptionClass> : <message>"}

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