> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://okx-demo.ferndocs.com/api/api-reference/sub-account/get-interest-limits/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://okx-demo.ferndocs.com/_mcp/server. # Get sub-account interest limits GET https://www.okx.com/api/v5/account/subaccount/interest-limits Retrieve the borrowing interest and limit of a sub-account under VIP loan allocation. Applies only to master accounts. Reference: https://okx-demo.ferndocs.com/api/api-reference/sub-account/get-interest-limits ## Authentication - `OK-ACCESS-KEY` header (required) — Your API key. - `OK-ACCESS-SIGN` header (required) — Base64-encoded HMAC-SHA256 signature of the prehash string. - `OK-ACCESS-TIMESTAMP` header (required) — ISO 8601 UTC timestamp, e.g. 2020-12-08T09:08:57.715Z. - `OK-ACCESS-PASSPHRASE` header (required) — The passphrase you set when creating the API key. ## Request ### Query parameters - `subAcct` (string, required) — Sub-account name. - `ccy` (string, optional) — Single currency or multiple currencies (no more than 5) separated with comma, e.g. BTC or BTC,ETH. ## Response ### 200 Successful response - `code` (string, optional) — Result code. `0` means success; any other value is an error code. - `msg` (string, optional) — Error message. Empty on success. - `data` (list of ApiV5AccountSubaccountInterestLimitsGetResponsesContentApplicationJsonSchemaDataItems, optional) ## Types ### ApiV5AccountSubaccountInterestLimitsGetResponsesContentApplicationJsonSchemaDataItems - `debt` (string, optional) — Current debt in USD. - `interest` (string, optional) — Accrued interest in USD. - `loanAlloc` (string, optional) — VIP loan allocation of the sub-account as a percentage, e.g. 50 for 50%. - `records` (list of ApiV5AccountSubaccountInterestLimitsGetResponsesContentApplicationJsonSchemaDataItemsRecordsItems, optional) — Interest and limit details per currency. ### ApiV5AccountSubaccountInterestLimitsGetResponsesContentApplicationJsonSchemaDataItemsRecordsItems - `ccy` (string, optional) — Currency. - `rate` (string, optional) — Daily rate. - `loanQuota` (string, optional) — Borrow limit of the master account. If the master account did not assign borrowing limit to this sub-account, it returns "". - `surplusLmt` (string, optional) — Available amount across all sub-accounts. - `surplusLmtDetails` (ApiV5AccountSubaccountInterestLimitsGetResponsesContentApplicationJsonSchemaDataItemsRecordsItemsSurplusLmtDetails, optional) — Details of available amount across all sub-accounts, indicating the reason of restriction. - `usedLmt` (string, optional) — Borrowed amount across all sub-accounts. - `interest` (string, optional) — Accrued interest of the currency. - `posLoan` (string, optional) — Frozen amount for current account (posLoan). - `availLoan` (string, optional) — Available amount of the current account. - `usedLoan` (string, optional) — Borrowed amount of the current account. ### ApiV5AccountSubaccountInterestLimitsGetResponsesContentApplicationJsonSchemaDataItemsRecordsItemsSurplusLmtDetails Details of available amount across all sub-accounts, indicating the reason of restriction. ## Examples **Response** ```json { "code": "string", "msg": "string", "data": [ { "debt": "string", "interest": "string", "loanAlloc": "string", "records": [ { "ccy": "string", "rate": "string", "loanQuota": "string", "surplusLmt": "string", "surplusLmtDetails": {}, "usedLmt": "string", "interest": "string", "posLoan": "string", "availLoan": "string", "usedLoan": "string" } ] } ] } ``` **SDK Code** ```python import requests url = "https://www.okx.com/api/v5/account/subaccount/interest-limits" querystring = {"subAcct":"test-sub-1"} headers = {"OK-ACCESS-KEY": ""} response = requests.get(url, headers=headers, params=querystring) print(response.json()) ``` ```javascript const url = 'https://www.okx.com/api/v5/account/subaccount/interest-limits?subAcct=test-sub-1'; const options = {method: 'GET', headers: {'OK-ACCESS-KEY': ''}}; try { const response = await fetch(url, options); const data = await response.json(); console.log(data); } catch (error) { console.error(error); } ``` ```go package main import ( "fmt" "net/http" "io" ) func main() { url := "https://www.okx.com/api/v5/account/subaccount/interest-limits?subAcct=test-sub-1" req, _ := http.NewRequest("GET", url, nil) req.Header.Add("OK-ACCESS-KEY", "") res, _ := http.DefaultClient.Do(req) defer res.Body.Close() body, _ := io.ReadAll(res.Body) fmt.Println(res) fmt.Println(string(body)) } ``` ```ruby require 'uri' require 'net/http' url = URI("https://www.okx.com/api/v5/account/subaccount/interest-limits?subAcct=test-sub-1") http = Net::HTTP.new(url.host, url.port) http.use_ssl = true request = Net::HTTP::Get.new(url) request["OK-ACCESS-KEY"] = '' response = http.request(request) puts response.read_body ``` ```java import com.mashape.unirest.http.HttpResponse; import com.mashape.unirest.http.Unirest; HttpResponse response = Unirest.get("https://www.okx.com/api/v5/account/subaccount/interest-limits?subAcct=test-sub-1") .header("OK-ACCESS-KEY", "") .asString(); ``` ```php request('GET', 'https://www.okx.com/api/v5/account/subaccount/interest-limits?subAcct=test-sub-1', [ 'headers' => [ 'OK-ACCESS-KEY' => '', ], ]); echo $response->getBody(); ``` ```csharp using RestSharp; var client = new RestClient("https://www.okx.com/api/v5/account/subaccount/interest-limits?subAcct=test-sub-1"); var request = new RestRequest(Method.GET); request.AddHeader("OK-ACCESS-KEY", ""); IRestResponse response = client.Execute(request); ``` ```swift import Foundation let headers = ["OK-ACCESS-KEY": ""] let request = NSMutableURLRequest(url: NSURL(string: "https://www.okx.com/api/v5/account/subaccount/interest-limits?subAcct=test-sub-1")! as URL, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 10.0) request.httpMethod = "GET" request.allHTTPHeaderFields = headers let session = URLSession.shared let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in if (error != nil) { print(error as Any) } else { let httpResponse = response as? HTTPURLResponse print(httpResponse) } }) dataTask.resume() ```