Release v19.0.0

**Derivatives Trading Portfolio Margin**

### Changed (2)

#### REST API

- Modified response for `margin_max_borrow()` (`GET /papi/v1/margin/maxBorrowable`):
  - `amount`: type `number` → `string`
  - `borrowLimit`: type `integer` → `string`

- Modified response for `new_margin_order()` (`POST /papi/v1/margin/order`):
  - `marginBuyBorrowAmount`: type `integer` → `string`

Author: github-actions

CHANGELOG.md

@@ -1,5 +1,20 @@
 # Changelog
 
+## 19.0.0 - 2025-09-17
+
+**Derivatives Trading Portfolio Margin**
+
+### Changed (2)
+
+#### REST API
+
+- Modified response for `margin_max_borrow()` (`GET /papi/v1/margin/maxBorrowable`):
+  - `amount`: type `number` → `string`
+  - `borrowLimit`: type `integer` → `string`
+
+- Modified response for `new_margin_order()` (`POST /papi/v1/margin/order`):
+  - `marginBuyBorrowAmount`: type `integer` → `string`
+
 ## 18.0.0 - 2025-09-15
 
 **Pay**

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "binance-sdk"
-version = "18.0.0"
+version = "19.0.0"
 authors = [ "Binance" ]
 edition = "2024"
 resolver = "3"

examples/derivatives_trading_portfolio_margin/rest_api/account_api/change_auto_repay_futures_status.rs

@@ -23,7 +23,7 @@ async fn main() -> Result<()> {
     let rest_client = DerivativesTradingPortfolioMarginRestApi::production(rest_conf);
 
     // Setup the API parameters
-    let params = ChangeAutoRepayFuturesStatusParams::builder(String::new()).build()?;
+    let params = ChangeAutoRepayFuturesStatusParams::builder("true".to_string()).build()?;
 
     // Make the API call
     let response = rest_client

src/derivatives_trading_portfolio_margin/rest_api/apis/account_api.rs

@@ -3936,7 +3936,7 @@ mod tests {
             }
 
             let resp_json: Value =
-                serde_json::from_str(r#"{"amount":1.69248805,"borrowLimit":60}"#).unwrap();
+                serde_json::from_str(r#"{"amount":"1.69248805","borrowLimit":"60"}"#).unwrap();
             let dummy_response: models::MarginMaxBorrowResponse =
                 serde_json::from_value(resp_json.clone())
                     .expect("should parse into models::MarginMaxBorrowResponse");
@@ -4466,7 +4466,7 @@ mod tests {
         TOKIO_SHARED_RT.block_on(async {
             let client = MockAccountApiClient { force_error: false };
 
-            let params = ChangeAutoRepayFuturesStatusParams::builder(String::new())
+            let params = ChangeAutoRepayFuturesStatusParams::builder("true".to_string())
                 .build()
                 .unwrap();
 
@@ -4490,7 +4490,7 @@ mod tests {
         TOKIO_SHARED_RT.block_on(async {
             let client = MockAccountApiClient { force_error: false };
 
-            let params = ChangeAutoRepayFuturesStatusParams::builder(String::new())
+            let params = ChangeAutoRepayFuturesStatusParams::builder("true".to_string())
                 .recv_window(5000)
                 .build()
                 .unwrap();
@@ -4515,7 +4515,7 @@ mod tests {
         TOKIO_SHARED_RT.block_on(async {
             let client = MockAccountApiClient { force_error: true };
 
-            let params = ChangeAutoRepayFuturesStatusParams::builder(String::new())
+            let params = ChangeAutoRepayFuturesStatusParams::builder("true".to_string())
                 .build()
                 .unwrap();
 
@@ -6013,7 +6013,7 @@ mod tests {
                 .unwrap();
 
             let resp_json: Value =
-                serde_json::from_str(r#"{"amount":1.69248805,"borrowLimit":60}"#).unwrap();
+                serde_json::from_str(r#"{"amount":"1.69248805","borrowLimit":"60"}"#).unwrap();
             let expected_response: models::MarginMaxBorrowResponse =
                 serde_json::from_value(resp_json.clone())
                     .expect("should parse into models::MarginMaxBorrowResponse");
@@ -6039,7 +6039,7 @@ mod tests {
                 .unwrap();
 
             let resp_json: Value =
-                serde_json::from_str(r#"{"amount":1.69248805,"borrowLimit":60}"#).unwrap();
+                serde_json::from_str(r#"{"amount":"1.69248805","borrowLimit":"60"}"#).unwrap();
             let expected_response: models::MarginMaxBorrowResponse =
                 serde_json::from_value(resp_json.clone())
                     .expect("should parse into models::MarginMaxBorrowResponse");

src/derivatives_trading_portfolio_margin/rest_api/apis/trade_api.rs

@@ -8045,7 +8045,7 @@ mod tests {
                 );
             }
 
-            let resp_json: Value = serde_json::from_str(r#"{"symbol":"BTCUSDT","orderId":28,"clientOrderId":"6gCrw2kRUAF9CvJDGP16IP","transactTime":1507725176595,"price":"1.00000000","origQty":"10.00000000","executedQty":"10.00000000","cummulativeQuoteQty":"10.00000000","status":"FILLED","timeInForce":"GTC","type":"MARKET","side":"SELL","marginBuyBorrowAmount":5,"marginBuyBorrowAsset":"BTC","fills":[{"price":"4000.00000000","qty":"1.00000000","commission":"4.00000000","commissionAsset":"USDT"},{"price":"3999.00000000","qty":"5.00000000","commission":"19.99500000","commissionAsset":"USDT"}]}"#).unwrap();
+            let resp_json: Value = serde_json::from_str(r#"{"symbol":"BTCUSDT","orderId":28,"clientOrderId":"6gCrw2kRUAF9CvJDGP16IP","transactTime":1507725176595,"price":"1.00000000","origQty":"10.00000000","executedQty":"10.00000000","cummulativeQuoteQty":"10.00000000","status":"FILLED","timeInForce":"GTC","type":"MARKET","side":"SELL","marginBuyBorrowAmount":"5","marginBuyBorrowAsset":"BTC","fills":[{"price":"4000.00000000","qty":"1.00000000","commission":"4.00000000","commissionAsset":"USDT"},{"price":"3999.00000000","qty":"5.00000000","commission":"19.99500000","commissionAsset":"USDT"}]}"#).unwrap();
             let dummy_response: models::NewMarginOrderResponse =
                 serde_json::from_value(resp_json.clone())
                     .expect("should parse into models::NewMarginOrderResponse");
@@ -10206,7 +10206,7 @@ mod tests {
 
             let params = NewMarginOrderParams::builder("symbol_example".to_string(),NewMarginOrderSideEnum::Buy,NewMarginOrderTypeEnum::Limit,).build().unwrap();
 
-            let resp_json: Value = serde_json::from_str(r#"{"symbol":"BTCUSDT","orderId":28,"clientOrderId":"6gCrw2kRUAF9CvJDGP16IP","transactTime":1507725176595,"price":"1.00000000","origQty":"10.00000000","executedQty":"10.00000000","cummulativeQuoteQty":"10.00000000","status":"FILLED","timeInForce":"GTC","type":"MARKET","side":"SELL","marginBuyBorrowAmount":5,"marginBuyBorrowAsset":"BTC","fills":[{"price":"4000.00000000","qty":"1.00000000","commission":"4.00000000","commissionAsset":"USDT"},{"price":"3999.00000000","qty":"5.00000000","commission":"19.99500000","commissionAsset":"USDT"}]}"#).unwrap();
+            let resp_json: Value = serde_json::from_str(r#"{"symbol":"BTCUSDT","orderId":28,"clientOrderId":"6gCrw2kRUAF9CvJDGP16IP","transactTime":1507725176595,"price":"1.00000000","origQty":"10.00000000","executedQty":"10.00000000","cummulativeQuoteQty":"10.00000000","status":"FILLED","timeInForce":"GTC","type":"MARKET","side":"SELL","marginBuyBorrowAmount":"5","marginBuyBorrowAsset":"BTC","fills":[{"price":"4000.00000000","qty":"1.00000000","commission":"4.00000000","commissionAsset":"USDT"},{"price":"3999.00000000","qty":"5.00000000","commission":"19.99500000","commissionAsset":"USDT"}]}"#).unwrap();
             let expected_response : models::NewMarginOrderResponse = serde_json::from_value(resp_json.clone()).expect("should parse into models::NewMarginOrderResponse");
 
             let resp = client.new_margin_order(params).await.expect("Expected a response");
@@ -10223,7 +10223,7 @@ mod tests {
 
             let params = NewMarginOrderParams::builder("symbol_example".to_string(),NewMarginOrderSideEnum::Buy,NewMarginOrderTypeEnum::Limit,).quantity(dec!(1.0)).quote_order_qty(dec!(1.0)).price(dec!(1.0)).stop_price(dec!(1.0)).new_client_order_id("1".to_string()).new_order_resp_type(NewMarginOrderNewOrderRespTypeEnum::Ack).iceberg_qty(dec!(1.0)).side_effect_type(NewMarginOrderSideEffectTypeEnum::NoSideEffect).time_in_force(NewMarginOrderTimeInForceEnum::Gtc).self_trade_prevention_mode(NewMarginOrderSelfTradePreventionModeEnum::None).auto_repay_at_cancel(true).recv_window(5000).build().unwrap();
 
-            let resp_json: Value = serde_json::from_str(r#"{"symbol":"BTCUSDT","orderId":28,"clientOrderId":"6gCrw2kRUAF9CvJDGP16IP","transactTime":1507725176595,"price":"1.00000000","origQty":"10.00000000","executedQty":"10.00000000","cummulativeQuoteQty":"10.00000000","status":"FILLED","timeInForce":"GTC","type":"MARKET","side":"SELL","marginBuyBorrowAmount":5,"marginBuyBorrowAsset":"BTC","fills":[{"price":"4000.00000000","qty":"1.00000000","commission":"4.00000000","commissionAsset":"USDT"},{"price":"3999.00000000","qty":"5.00000000","commission":"19.99500000","commissionAsset":"USDT"}]}"#).unwrap();
+            let resp_json: Value = serde_json::from_str(r#"{"symbol":"BTCUSDT","orderId":28,"clientOrderId":"6gCrw2kRUAF9CvJDGP16IP","transactTime":1507725176595,"price":"1.00000000","origQty":"10.00000000","executedQty":"10.00000000","cummulativeQuoteQty":"10.00000000","status":"FILLED","timeInForce":"GTC","type":"MARKET","side":"SELL","marginBuyBorrowAmount":"5","marginBuyBorrowAsset":"BTC","fills":[{"price":"4000.00000000","qty":"1.00000000","commission":"4.00000000","commissionAsset":"USDT"},{"price":"3999.00000000","qty":"5.00000000","commission":"19.99500000","commissionAsset":"USDT"}]}"#).unwrap();
             let expected_response : models::NewMarginOrderResponse = serde_json::from_value(resp_json.clone()).expect("should parse into models::NewMarginOrderResponse");
 
             let resp = client.new_margin_order(params).await.expect("Expected a response");

src/derivatives_trading_portfolio_margin/rest_api/models/margin_max_borrow_response.rs

@@ -18,9 +18,9 @@ use serde::{Deserialize, Serialize};
 #[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
 pub struct MarginMaxBorrowResponse {
     #[serde(rename = "amount", skip_serializing_if = "Option::is_none")]
-    pub amount: Option<rust_decimal::Decimal>,
+    pub amount: Option<String>,
     #[serde(rename = "borrowLimit", skip_serializing_if = "Option::is_none")]
-    pub borrow_limit: Option<i64>,
+    pub borrow_limit: Option<String>,
 }
 
 impl MarginMaxBorrowResponse {

src/derivatives_trading_portfolio_margin/rest_api/models/new_margin_order_response.rs

@@ -48,7 +48,7 @@ pub struct NewMarginOrderResponse {
         rename = "marginBuyBorrowAmount",
         skip_serializing_if = "Option::is_none"
     )]
-    pub margin_buy_borrow_amount: Option<i64>,
+    pub margin_buy_borrow_amount: Option<String>,
     #[serde(
         rename = "marginBuyBorrowAsset",
         skip_serializing_if = "Option::is_none"