diff --git a/src/routes/v4/electrumx.js b/src/routes/v4/electrumx.js
index d879051..cfa324b 100644
--- a/src/routes/v4/electrumx.js
+++ b/src/routes/v4/electrumx.js
@@ -135,7 +135,7 @@ class Electrum {
     const { msg, status } = _this.routeUtils.decodeError(err)
     if (msg) {
       res.status(status)
-      return res.json({ error: msg })
+      return res.json({ success: false, error: msg })
     }
 
     // Handle error patterns specific to this route.
diff --git a/src/routes/v4/encryption.js b/src/routes/v4/encryption.js
index 7f61f35..cd0efe1 100644
--- a/src/routes/v4/encryption.js
+++ b/src/routes/v4/encryption.js
@@ -45,7 +45,7 @@ class Encryption {
     const { msg, status } = _this.routeUtils.decodeError(err)
     if (msg) {
       res.status(status)
-      return res.json({ error: msg })
+      return res.json({ success: false, error: msg })
     }
 
     // Handle error patterns specific to this route.
diff --git a/src/routes/v4/slp.js b/src/routes/v4/slp.js
index 9ab257b..3b6e732 100644
--- a/src/routes/v4/slp.js
+++ b/src/routes/v4/slp.js
@@ -2003,7 +2003,7 @@ class Slp {
       console.log('status: ', status)
       if (msg) {
         res.status(status)
-        return res.json({ error: msg })
+        return res.json({ error: msg, message: msg, success: false })
       }
 
       res.status(500)
diff --git a/test/v4/a01-electrumx.js b/test/v4/a01-electrumx.js
index f43e87a..ce93947 100644
--- a/test/v4/a01-electrumx.js
+++ b/test/v4/a01-electrumx.js
@@ -199,11 +199,11 @@ describe('#Electrumx', () => {
   })
 
   describe('#getUtxos', () => {
-    it('should throw 400 if address is empty', async () => {
+    it('should throw 422 if address is empty', async () => {
       const result = await electrumxRoute.getUtxos(req, res)
       // console.log(`result: ${util.inspect(result)}`)
 
-      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
 
       assert.property(result, 'error')
       assert.include(result.error, 'Unsupported address format')
@@ -233,7 +233,7 @@ describe('#Electrumx', () => {
       const result = await electrumxRoute.getUtxos(req, res)
       // console.log(`result: ${util.inspect(result)}`)
 
-      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
 
       assert.property(result, 'error')
       assert.include(result.error, 'Unsupported address format')
@@ -1063,7 +1063,7 @@ describe('#Electrumx', () => {
       const result = await electrumxRoute.getBalance(req, res)
       // console.log(`result: ${util.inspect(result)}`)
 
-      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
 
       assert.property(result, 'error')
       assert.include(result.error, 'Unsupported address format')
@@ -1093,7 +1093,7 @@ describe('#Electrumx', () => {
       const result = await electrumxRoute.getBalance(req, res)
       // console.log(`result: ${util.inspect(result)}`)
 
-      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
 
       assert.property(result, 'error')
       assert.include(result.error, 'Unsupported address format')
@@ -1350,7 +1350,7 @@ describe('#Electrumx', () => {
       const result = await electrumxRoute.getTransactions(req, res)
       // console.log(`result: ${util.inspect(result)}`)
 
-      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
 
       assert.property(result, 'error')
       assert.include(result.error, 'Unsupported address format')
@@ -1380,7 +1380,7 @@ describe('#Electrumx', () => {
       const result = await electrumxRoute.getTransactions(req, res)
       // console.log(`result: ${util.inspect(result)}`)
 
-      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
 
       assert.property(result, 'error')
       assert.include(result.error, 'Unsupported address format')
@@ -1645,7 +1645,7 @@ describe('#Electrumx', () => {
       const result = await electrumxRoute.getMempool(req, res)
       // console.log(`result: ${util.inspect(result)}`)
 
-      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
 
       assert.property(result, 'error')
       assert.include(result.error, 'Unsupported address format')
@@ -1675,7 +1675,7 @@ describe('#Electrumx', () => {
       const result = await electrumxRoute.getMempool(req, res)
       // console.log(`result: ${util.inspect(result)}`)
 
-      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
 
       assert.property(result, 'error')
       assert.include(result.error, 'Unsupported address format')