diff --git a/app/src/main/java/com/example/dcav2gui/WorkerInterface.java b/app/src/main/java/com/example/dcav2gui/WorkerInterface.java
index cce8e21..cdc1c10 100644
--- a/app/src/main/java/com/example/dcav2gui/WorkerInterface.java
+++ b/app/src/main/java/com/example/dcav2gui/WorkerInterface.java
@@ -187,7 +187,7 @@ public class WorkerInterface {
         formBuilder.add("quote", quote);
         RequestBody formBody = formBuilder.build();
         Request removeTraderRequest = new Request.Builder()
-                .url(API_BASE_URL + "/" + exchange + "/add_pair")
+                .url(API_BASE_URL + "/" + exchange + "/remove_pair")
                 .header("X-API-KEY", API_KEY)
                 .post(formBody)
                 .build();
@@ -226,7 +226,7 @@ public class WorkerInterface {
         formBuilder.add("quote", quote);
         RequestBody formBody = formBuilder.build();
         Request restartTraderRequest = new Request.Builder()
-                .url(API_BASE_URL + "/" + exchange + "/add_pair")
+                .url(API_BASE_URL + "/" + exchange + "/restart_pair")
                 .header("X-API-KEY", API_KEY)
                 .post(formBody)
                 .build();
@@ -265,7 +265,7 @@ public class WorkerInterface {
         formBuilder.add("quote", quote);
         RequestBody formBody = formBuilder.build();
         Request importTraderRequest = new Request.Builder()
-                .url(API_BASE_URL + "/" + exchange + "/add_pair")
+                .url(API_BASE_URL + "/" + exchange + "/import_pair")
                 .header("X-API-KEY", API_KEY)
                 .post(formBody)
                 .build();
@@ -451,24 +451,207 @@ public class WorkerInterface {
         }
     }
 
-    public static JsonObject switchToLong(String exchange, String pair) throws IOException {
-        return null;
+    public static JsonObject switchToLong(String exchange, String pair, boolean calculateProfits, boolean retry) throws IOException {
+        String[] pairBaseAndQuote = pair.split("/");
+        String base = pairBaseAndQuote[0];
+        String quote = pairBaseAndQuote[1];
+        String profits = "0";
+        if (calculateProfits) {
+            profits = "1";
+        }
+
+        FormBody.Builder formBuilder = new FormBody.Builder();
+        formBuilder.add("base", base);
+        formBuilder.add("quote", quote);
+        formBuilder.add("calculate_profits", profits);
+        RequestBody formBody = formBuilder.build();
+        Request switchToLongRequest = new Request.Builder()
+                .url(API_BASE_URL + "/" + exchange + "/switch_to_long")
+                .header("X-API-KEY", API_KEY)
+                .post(formBody)
+                .build();
+
+        try (Response switchToLongResponse = httpClient.newCall(switchToLongRequest).execute()) {
+            if (!switchToLongResponse.isSuccessful()) {
+                if (switchToLongResponse.code() == 503 && retry) {
+                    return switchToLong(exchange, pair, calculateProfits,false);
+                }
+                throw new IOException("Unexpected code " + switchToLongResponse);
+            }
+            String switchToLongResponseBody = switchToLongResponse.body().string();
+            JsonElement jsonElement = JsonParser.parseString(switchToLongResponseBody);
+            if (!jsonElement.isJsonObject()) {
+                System.err.println("The parsed JSON response is not a JsonObject.");
+                return null;
+            }
+            JsonObject jsonObject = jsonElement.getAsJsonObject();
+            if (jsonObject.has("Error")) {
+                System.err.println("The parsed JSON response contains Error");
+                return jsonObject;
+            }
+
+            //If no error, the response is {"Success":"Pair switched to long mode"}
+            return jsonObject;
+        }
     }
 
-    public static JsonObject switchToShort(String exchange, String pair) throws IOException {
-        return null;
+    public static JsonObject switchToShort(String exchange, String pair, boolean retry) throws IOException {
+        String[] pairBaseAndQuote = pair.split("/");
+        String base = pairBaseAndQuote[0];
+        String quote = pairBaseAndQuote[1];
+
+        FormBody.Builder formBuilder = new FormBody.Builder();
+        formBuilder.add("base", base);
+        formBuilder.add("quote", quote);
+        RequestBody formBody = formBuilder.build();
+        Request switchToShortRequest = new Request.Builder()
+                .url(API_BASE_URL + "/" + exchange + "/switch_to_short")
+                .header("X-API-KEY", API_KEY)
+                .post(formBody)
+                .build();
+
+        try (Response switchToShortResponse = httpClient.newCall(switchToShortRequest).execute()) {
+            if (!switchToShortResponse.isSuccessful()) {
+                if (switchToShortResponse.code() == 503 && retry) {
+                    return switchToShort(exchange, pair, false);
+                }
+                throw new IOException("Unexpected code " + switchToShortResponse);
+            }
+            String switchToShortResponseBody = switchToShortResponse.body().string();
+            JsonElement jsonElement = JsonParser.parseString(switchToShortResponseBody);
+            if (!jsonElement.isJsonObject()) {
+                System.err.println("The parsed JSON response is not a JsonObject.");
+                return null;
+            }
+            JsonObject jsonObject = jsonElement.getAsJsonObject();
+            if (jsonObject.has("Error")) {
+                System.err.println("The parsed JSON response contains Error");
+                return jsonObject;
+            }
+
+            //If no error, the response is {"Success":"Pair switched to short mode"}
+            return jsonObject;
+        }
     }
 
-    public static JsonObject switchQuoteCurrency(String exchange, String pair) throws IOException {
-        return null;
+    public static JsonObject switchQuoteCurrency(String exchange, String pair, String targetQuoteCurrency, boolean retry) throws IOException {
+        String[] pairBaseAndQuote = pair.split("/");
+        String base = pairBaseAndQuote[0];
+        String quote = pairBaseAndQuote[1];
+
+        FormBody.Builder formBuilder = new FormBody.Builder();
+        formBuilder.add("base", base);
+        formBuilder.add("quote", quote);
+        formBuilder.add("new_quote", targetQuoteCurrency);
+        RequestBody formBody = formBuilder.build();
+        Request switchQuoteCurrencyRequest = new Request.Builder()
+                .url(API_BASE_URL + "/" + exchange + "/switch_quote_currency")
+                .header("X-API-KEY", API_KEY)
+                .post(formBody)
+                .build();
+
+        try (Response switchQuoteCurrencyResponse = httpClient.newCall(switchQuoteCurrencyRequest).execute()) {
+            if (!switchQuoteCurrencyResponse.isSuccessful()) {
+                if (switchQuoteCurrencyResponse.code() == 503 && retry) {
+                    return switchQuoteCurrency(exchange, pair, targetQuoteCurrency,false);
+                }
+                throw new IOException("Unexpected code " + switchQuoteCurrencyResponse);
+            }
+            String switchQuoteCurrencyResponseBody = switchQuoteCurrencyResponse.body().string();
+            JsonElement jsonElement = JsonParser.parseString(switchQuoteCurrencyResponseBody);
+            if (!jsonElement.isJsonObject()) {
+                System.err.println("The parsed JSON response is not a JsonObject.");
+                return null;
+            }
+            JsonObject jsonObject = jsonElement.getAsJsonObject();
+            if (jsonObject.has("Error")) {
+                System.err.println("The parsed JSON response contains Error");
+                return jsonObject;
+            }
+
+            //If no error, the response is {"Success":"Mission successful"}
+            return jsonObject;
+        }
     }
 
-    public static JsonObject addSafetyOrders(String exchange, String pair) throws IOException {
-        return null;
+    public static JsonObject addSafetyOrders(String exchange, String pair, int amount, boolean retry) throws IOException {
+        String[] pairBaseAndQuote = pair.split("/");
+        String base = pairBaseAndQuote[0];
+        String quote = pairBaseAndQuote[1];
+
+        FormBody.Builder formBuilder = new FormBody.Builder();
+        formBuilder.add("base", base);
+        formBuilder.add("quote", quote);
+        formBuilder.add("amount", String.valueOf(amount));
+        RequestBody formBody = formBuilder.build();
+        Request addSafetyOrdersRequest = new Request.Builder()
+                .url(API_BASE_URL + "/" + exchange + "/add_so")
+                .header("X-API-KEY", API_KEY)
+                .post(formBody)
+                .build();
+
+        try (Response addSafetyOrdersResponse = httpClient.newCall(addSafetyOrdersRequest).execute()) {
+            if (!addSafetyOrdersResponse.isSuccessful()) {
+                if (addSafetyOrdersResponse.code() == 503 && retry) {
+                    return addSafetyOrders(exchange, pair, amount,false);
+                }
+                throw new IOException("Unexpected code " + addSafetyOrdersResponse);
+            }
+            String addSafetyOrdersResponseBody = addSafetyOrdersResponse.body().string();
+            JsonElement jsonElement = JsonParser.parseString(addSafetyOrdersResponseBody);
+            if (!jsonElement.isJsonObject()) {
+                System.err.println("The parsed JSON response is not a JsonObject.");
+                return null;
+            }
+            JsonObject jsonObject = jsonElement.getAsJsonObject();
+            if (jsonObject.has("Error")) {
+                System.err.println("The parsed JSON response contains Error");
+                return jsonObject;
+            }
+
+            //If no error, the response is {"Success":"Added $amount safety orders"}
+            return jsonObject;
+        }
     }
 
-    public static JsonObject addQuote(String exchange, String pair) throws IOException {
-        return null;
+    public static JsonObject addQuote(String exchange, String pair, double amount, boolean retry) throws IOException {
+        String[] pairBaseAndQuote = pair.split("/");
+        String base = pairBaseAndQuote[0];
+        String quote = pairBaseAndQuote[1];
+
+        FormBody.Builder formBuilder = new FormBody.Builder();
+        formBuilder.add("base", base);
+        formBuilder.add("quote", quote);
+        formBuilder.add("amount", String.valueOf(amount));
+        RequestBody formBody = formBuilder.build();
+        Request addQuoteRequest = new Request.Builder()
+                .url(API_BASE_URL + "/" + exchange + "/add_quote")
+                .header("X-API-KEY", API_KEY)
+                .post(formBody)
+                .build();
+
+        try (Response addQuoteResponse = httpClient.newCall(addQuoteRequest).execute()) {
+            if (!addQuoteResponse.isSuccessful()) {
+                if (addQuoteResponse.code() == 503 && retry) {
+                    return addQuote(exchange, pair, amount,false);
+                }
+                throw new IOException("Unexpected code " + addQuoteResponse);
+            }
+            String addQuoteResponseBody = addQuoteResponse.body().string();
+            JsonElement jsonElement = JsonParser.parseString(addQuoteResponseBody);
+            if (!jsonElement.isJsonObject()) {
+                System.err.println("The parsed JSON response is not a JsonObject.");
+                return null;
+            }
+            JsonObject jsonObject = jsonElement.getAsJsonObject();
+            if (jsonObject.has("Error")) {
+                System.err.println("The parsed JSON response contains Error");
+                return jsonObject;
+            }
+
+            //If no error, the response is {"Success":"Quote added successfully"}
+            return jsonObject;
+        }
     }
 
 }