diff --git a/app/src/main/java/net/mynero/wallet/fragment/send/SendFragment.java b/app/src/main/java/net/mynero/wallet/fragment/send/SendFragment.java
index 41e53be..e2141aa 100644
--- a/app/src/main/java/net/mynero/wallet/fragment/send/SendFragment.java
+++ b/app/src/main/java/net/mynero/wallet/fragment/send/SendFragment.java
@@ -4,6 +4,8 @@ import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -137,45 +139,19 @@ public class SendFragment extends Fragment {
             }
         });
         sendMaxButton.setOnClickListener(view1 -> {
-            addOutputImageView.setVisibility(View.INVISIBLE);
-            boolean currentValue = mViewModel.sendingMax.getValue() != null ? mViewModel.sendingMax.getValue() : false;
-            mViewModel.setSendingMax(!currentValue);
+            mViewModel.setSendingMax(!isSendAll());
         });
         createButton.setOnClickListener(view1 -> {
-            boolean sendAll = mViewModel.sendingMax.getValue() != null ? mViewModel.sendingMax.getValue() : false;
-            ArrayList<Pair<String, String>> dests = new ArrayList<>();
-            for(int i = 0; i < getDestCount(); i++) {
-                ConstraintLayout entryView = getDestView(i);
-                EditText amountField = entryView.findViewById(R.id.amount_edittext);
-                EditText addressField = entryView.findViewById(R.id.address_edittext);
-                String amount = amountField.getText().toString().trim();
-                if(!sendAll) {
-                    if(amount.isEmpty()) {
-                        Toast.makeText(getActivity(), getString(R.string.send_amount_empty), Toast.LENGTH_SHORT).show();
-                        return;
-                    }
+            boolean outputsValid = checkDestsValidity(isSendAll());
 
-                    long amountRaw = Wallet.getAmountFromString(amount);
-                    long balance = BalanceService.getInstance().getUnlockedBalanceRaw();
-                    if (amountRaw >= balance || amountRaw <= 0) {
-                        Toast.makeText(getActivity(), getString(R.string.send_amount_invalid), Toast.LENGTH_SHORT).show();
-                        return;
-                    }
-                }
-
-                String address = addressField.getText().toString().trim();
-                boolean isValidAddress = Wallet.isAddressValid(address);
-                if(!isValidAddress) {
-                    Toast.makeText(getActivity(), getString(R.string.send_address_invalid), Toast.LENGTH_SHORT).show();
-                    return;
-                }
-                dests.add(new Pair<>(address, amount));
+            if(outputsValid) {
+                Toast.makeText(getActivity(), getString(R.string.creating_tx), Toast.LENGTH_SHORT).show();
+                createButton.setEnabled(false);
+                sendMaxButton.setEnabled(false);
+                createTx(getRawDests(), isSendAll(), priority);
+            } else {
+                Toast.makeText(getActivity(), getString(R.string.creating_tx_failed_invalid_outputs), Toast.LENGTH_SHORT).show();
             }
-
-            Toast.makeText(getActivity(), getString(R.string.creating_tx), Toast.LENGTH_SHORT).show();
-            createButton.setEnabled(false);
-            sendMaxButton.setEnabled(false);
-            createTx(dests, sendAll, priority);
         });
 
         sendButton.setOnClickListener(view1 -> {
@@ -188,21 +164,72 @@ public class SendFragment extends Fragment {
         });
     }
 
+    private boolean checkDestsValidity(boolean sendAll) {
+        List<Pair<String, String>> dests = getRawDests();
+        for(Pair<String, String> dest : dests) {
+            String address = dest.component1();
+            String amount = dest.component2();
+            if(!sendAll) {
+                if(amount.isEmpty()) {
+                    Toast.makeText(getActivity(), getString(R.string.send_amount_empty), Toast.LENGTH_SHORT).show();
+                    return false;
+                }
+
+                long amountRaw = Wallet.getAmountFromString(amount);
+                long balance = BalanceService.getInstance().getUnlockedBalanceRaw();
+                if (amountRaw >= balance || amountRaw <= 0) {
+                    Toast.makeText(getActivity(), getString(R.string.send_amount_invalid), Toast.LENGTH_SHORT).show();
+                    return false;
+                }
+            } else if(dests.size() > 1) {
+                Toast.makeText(getActivity(), getString(R.string.send_amount_invalid_sendall_paytomany), Toast.LENGTH_SHORT).show();
+                return false;
+            }
+
+            UriData uriData = UriData.parse(address);
+            boolean isValidAddress = uriData != null;
+            if(!isValidAddress) {
+                Toast.makeText(getActivity(), getString(R.string.send_address_invalid), Toast.LENGTH_SHORT).show();
+                return false;
+            }
+
+            if(dests.size() > 1 && uriData.hasPaymentId()) {
+                Toast.makeText(getActivity(), getString(R.string.paymentid_paytomany), Toast.LENGTH_SHORT).show();
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    private boolean destsHasPaymentId() {
+        List<Pair<String, String>> dests = getRawDests();
+        for(Pair<String, String> dest : dests) {
+            String address = dest.component1();
+            UriData uriData = UriData.parse(address);
+            if(uriData == null) return false;
+            if(uriData.hasPaymentId()) return true;
+        }
+        return false;
+    }
+
     private void bindObservers() {
         mViewModel.sendingMax.observe(getViewLifecycleOwner(), sendingMax -> {
             if (mViewModel.pendingTransaction.getValue() == null) {
                 if (sendingMax) {
-                    addOutputImageView.setVisibility(View.GONE);
                     prepareOutputsForMaxSend();
                     sendMaxButton.setText(getText(R.string.undo));
                 } else {
-                    addOutputImageView.setVisibility(View.VISIBLE);
                     unprepareMaxSend();
                     sendMaxButton.setText(getText(R.string.send_max));
                 }
             }
         });
 
+        mViewModel.showAddOutputButton.observe(getViewLifecycleOwner(), show -> {
+            setAddOutputButtonVisibility((show && !destsHasPaymentId()) ? View.VISIBLE : View.INVISIBLE);
+        });
+
         mViewModel.pendingTransaction.observe(getViewLifecycleOwner(), pendingTx -> {
             showConfirmationLayout(pendingTx != null);
 
@@ -220,7 +247,31 @@ public class SendFragment extends Fragment {
             int index = getDestCount();
             ConstraintLayout entryView = (ConstraintLayout)inflater.inflate(R.layout.transaction_output_item, null);
             ImageButton removeOutputImageButton = entryView.findViewById(R.id.remove_output_imagebutton);
-
+            EditText addressField = entryView.findViewById(R.id.address_edittext);
+            addressField.addTextChangedListener(new TextWatcher() {
+                @Override public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
+                @Override public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
+                @Override
+                public void afterTextChanged(Editable editable) {
+                    int currentOutputs = getDestCount();
+                    UriData uriData = UriData.parse(editable.toString());
+                    if(uriData != null) {
+                        // we have valid address
+                        boolean hasPaymentId = uriData.hasPaymentId();
+                        if(currentOutputs > 1 && hasPaymentId) {
+                            // multiple outputs when pasting/editing in integrated address. this is not allowed
+                            Toast.makeText(getActivity(), getString(R.string.paymentid_paytomany), Toast.LENGTH_SHORT).show();
+                            addressField.setText(null);
+                        } else if(currentOutputs == 1 && hasPaymentId) {
+                            // show add output button: we are sending to integrated address
+                            mViewModel.setShowAddOutputButton(false);
+                        }
+                    } else if(currentOutputs == 1 && !isSendAll()) {
+                        // when send-all is false and this is our only dest and address is invalid, then show add output button
+                        mViewModel.setShowAddOutputButton(true);
+                    }
+                }
+            });
             entryView.findViewById(R.id.paste_amount_imagebutton).setOnClickListener(view1 -> {
                 Context ctx = getContext();
                 if (ctx != null) {
@@ -261,6 +312,24 @@ public class SendFragment extends Fragment {
         return destList.getChildCount();
     }
 
+    private List<Pair<String, String>> getRawDests() {
+        ArrayList<Pair<String, String>> dests = new ArrayList<>();
+        for(int i = 0; i < getDestCount(); i++) {
+            ConstraintLayout entryView = getDestView(i);
+            EditText amountField = entryView.findViewById(R.id.amount_edittext);
+            EditText addressField = entryView.findViewById(R.id.address_edittext);
+            String amount = amountField.getText().toString().trim();
+            String address = addressField.getText().toString().trim();
+            dests.add(new Pair<>(address, amount));
+        }
+
+        return dests;
+    }
+
+    private boolean isSendAll() {
+        return mViewModel.sendingMax.getValue() != null ? mViewModel.sendingMax.getValue() : false;
+    }
+
     private ConstraintLayout getDestView(int pos) {
         return (ConstraintLayout) destList.getChildAt(pos);
     }
@@ -284,7 +353,7 @@ public class SendFragment extends Fragment {
     private void showConfirmationLayout(boolean show) {
         if (show) {
             destList.setVisibility(View.GONE);
-            addOutputImageView.setVisibility(View.GONE);
+            setAddOutputButtonVisibility(View.GONE);
             sendMaxButton.setVisibility(View.GONE);
             createButton.setVisibility(View.GONE);
             feeRadioGroup.setVisibility(View.GONE);
@@ -296,7 +365,7 @@ public class SendFragment extends Fragment {
             amountTextView.setVisibility(View.VISIBLE);
         } else {
             destList.setVisibility(View.VISIBLE);
-            addOutputImageView.setVisibility(View.VISIBLE);
+            setAddOutputButtonVisibility(View.VISIBLE);
             sendMaxButton.setVisibility(View.VISIBLE);
             createButton.setVisibility(View.VISIBLE);
             feeRadioGroup.setVisibility(View.VISIBLE);
@@ -322,31 +391,41 @@ public class SendFragment extends Fragment {
     }
 
     private void pasteAddress(ConstraintLayout entryView, String clipboard, boolean pastingAmount) {
+        if(pastingAmount) {
+            try {
+                Double.parseDouble(clipboard);
+                setAmount(entryView, clipboard);
+            } catch (Exception e) {
+                Toast.makeText(getActivity(), getString(R.string.send_amount_invalid), Toast.LENGTH_SHORT).show();
+                return;
+            }
+        }
+
         UriData uriData = UriData.parse(clipboard);
         if (uriData != null) {
+            int currentOutputs = getDestCount();
+            if(currentOutputs > 1 && uriData.hasPaymentId()) {
+                Toast.makeText(getActivity(), getString(R.string.paymentid_paytomany), Toast.LENGTH_SHORT).show();
+                return;
+            } else if(currentOutputs == 1 && uriData.hasPaymentId()) {
+                mViewModel.setShowAddOutputButton(false);
+            }
             EditText addressField = entryView.findViewById(R.id.address_edittext);
             addressField.setText(uriData.getAddress());
             if (uriData.hasAmount()) {
-                sendMaxButton.setEnabled(false);
-                EditText amountField = entryView.findViewById(R.id.amount_edittext);
-                amountField.setText(uriData.getAmount());
+                setAmount(entryView, uriData.getAmount());
             }
         } else {
-            if(pastingAmount) {
-                try {
-                    Double.parseDouble(clipboard);
-                    sendMaxButton.setEnabled(false);
-                    EditText amountField = entryView.findViewById(R.id.amount_edittext);
-                    amountField.setText(clipboard);
-                } catch (Exception e) {
-                    Toast.makeText(getActivity(), getString(R.string.send_amount_invalid), Toast.LENGTH_SHORT).show();
-                }
-            } else {
-                Toast.makeText(getActivity(), getString(R.string.send_address_invalid), Toast.LENGTH_SHORT).show();
-            }
+            Toast.makeText(getActivity(), getString(R.string.send_address_invalid), Toast.LENGTH_SHORT).show();
         }
     }
 
+    private void setAmount(ConstraintLayout entryView, String amount) {
+        sendMaxButton.setEnabled(false);
+        EditText amountField = entryView.findViewById(R.id.amount_edittext);
+        amountField.setText(amount);
+    }
+
     private void createTx(List<Pair<String, String>> dests, boolean sendAll, PendingTransaction.Priority feePriority) {
         ((MoneroApplication)getActivity().getApplication()).getExecutor().execute(() -> {
             try {
@@ -393,4 +472,8 @@ public class SendFragment extends Fragment {
             }
         });
     }
+
+    private void setAddOutputButtonVisibility(int visibility) {
+        addOutputImageView.setVisibility(visibility);
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/net/mynero/wallet/fragment/send/SendViewModel.java b/app/src/main/java/net/mynero/wallet/fragment/send/SendViewModel.java
index cb807cc..7282c3c 100644
--- a/app/src/main/java/net/mynero/wallet/fragment/send/SendViewModel.java
+++ b/app/src/main/java/net/mynero/wallet/fragment/send/SendViewModel.java
@@ -9,11 +9,18 @@ import net.mynero.wallet.model.PendingTransaction;
 public class SendViewModel extends ViewModel {
     private final MutableLiveData<Boolean> _sendingMax = new MutableLiveData<>(false);
     public LiveData<Boolean> sendingMax = _sendingMax;
+    private final MutableLiveData<Boolean> _showAddOutputButton = new MutableLiveData<>(true);
+    public LiveData<Boolean> showAddOutputButton = _showAddOutputButton;
     private final MutableLiveData<PendingTransaction> _pendingTransaction = new MutableLiveData<>(null);
     public LiveData<PendingTransaction> pendingTransaction = _pendingTransaction;
 
     public void setSendingMax(boolean value) {
         _sendingMax.setValue(value);
+        setShowAddOutputButton(!value);
+    }
+
+    public void setShowAddOutputButton(boolean value) {
+        _showAddOutputButton.setValue(value);
     }
 
     public void setPendingTransaction(PendingTransaction pendingTx) {
diff --git a/app/src/main/java/net/mynero/wallet/util/UriData.java b/app/src/main/java/net/mynero/wallet/util/UriData.java
index 9bf1f3d..9c08cc6 100644
--- a/app/src/main/java/net/mynero/wallet/util/UriData.java
+++ b/app/src/main/java/net/mynero/wallet/util/UriData.java
@@ -1,6 +1,7 @@
 package net.mynero.wallet.util;
 
 import net.mynero.wallet.model.Wallet;
+import net.mynero.wallet.model.WalletManager;
 
 import java.util.HashMap;
 
@@ -46,6 +47,10 @@ public class UriData {
         return address;
     }
 
+    public boolean hasPaymentId() {
+        return !Wallet.getPaymentIdFromAddress(this.address, WalletManager.getInstance().getWallet().nettype()).isEmpty();
+    }
+
     public String getAmount() {
         String txAmount = params.get(Constants.URI_ARG_AMOUNT);
         if (txAmount == null) {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 073b75c..62bb89b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -5,6 +5,8 @@
     <string name="bad_password">Incorrect password!</string>
 
     <string name="send_address_invalid">Not a valid address</string>
+    <string name="send_amount_invalid">Not a valid amount</string>
+    <string name="send_amount_invalid_sendall_paytomany">Cannot send-all in pay-to-many</string>
 
     <string name="tx_list_failed_text">failed</string>
     <string name="tx_list_amount_negative">- %1$s</string>
@@ -24,7 +26,6 @@
 
     <string name="wallet_locked_balance_text">+ %1$s confirming</string>
     <string name="send_amount_empty">Please enter an amount</string>
-    <string name="send_amount_invalid">Please enter a valid amount</string>
     <string name="send_max">Max</string>
     <string name="undo">Undo</string>
     <string name="error_sending_tx">Error sending transaction</string>
@@ -61,6 +62,7 @@
     <string name="tx_fee_text">Fee: %1$s XMR</string>
     <string name="receive">Receive</string>
     <string name="creating_tx">Creating transaction…</string>
+    <string name="creating_tx_failed_invalid_outputs">Invalid destination combination</string>
     <string name="sending_tx">Sending transaction…</string>
     <string name="sent_tx">Sent transaction!</string>
     <string name="no_camera_permission">No camera permission</string>
@@ -124,4 +126,6 @@
     <string name="auth">[ auth ]</string>
     <string name="to">To</string>
     <string name="max_outputs_allowed">Maximum allowed outputs</string>
+    <string name="paymentid_paytomany">Cannot send to integrated addresses in a pay-to-many transaction</string>
+
 </resources>