diff --git a/test/integration/bchn/ninsight.js b/test/integration/bchn/ninsight.js
index 0bc57b4..748624c 100644
--- a/test/integration/bchn/ninsight.js
+++ b/test/integration/bchn/ninsight.js
@@ -143,11 +143,13 @@ describe(`#Ninsight`, () => {
       }
     })
 
-    it(`should GET details for a single address`, async () => {
+    it(`should POST address details for a single address`, async () => {
       const addr = "bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7"
 
       const result = await bchjs.Ninsight.details(addr)
       //console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.isArray(result)
       assert.property(result[0], "balance")
       assert.property(result[0], "balanceSat")
       assert.property(result[0], "totalReceived")
@@ -166,7 +168,7 @@ describe(`#Ninsight`, () => {
       assert.property(result[0], "pagesTotal")
     })
 
-    it(`should GET details for an array of addresses`, async () => {
+    it(`should POST address details for an array of addresses`, async () => {
       const addr = [
         "bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7",
         "bitcoincash:qz0us0z6ucpqt07jgpad0shgh7xmwxyr3ynlcsq0wr"
diff --git a/test/integration/ninsight.js b/test/integration/ninsight.js
index b9286ed..4a4aad1 100644
--- a/test/integration/ninsight.js
+++ b/test/integration/ninsight.js
@@ -149,11 +149,12 @@ describe(`#Ninsight`, () => {
       }
     })
 
-    it(`should GET details for a single address`, async () => {
+    it(`should POST address details for a single address`, async () => {
       const addr = "bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7"
 
       const result = await bchjs.Ninsight.details(addr)
       //console.log(`result: ${JSON.stringify(result, null, 2)}`)
+      assert.isArray(result)
       assert.property(result[0], "balance")
       assert.property(result[0], "balanceSat")
       assert.property(result[0], "totalReceived")
@@ -172,7 +173,7 @@ describe(`#Ninsight`, () => {
       assert.property(result[0], "pagesTotal")
     })
 
-    it(`should GET details for an array of addresses`, async () => {
+    it(`should POST address details for an array of addresses`, async () => {
       const addr = [
         "bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7",
         "bitcoincash:qz0us0z6ucpqt07jgpad0shgh7xmwxyr3ynlcsq0wr"
diff --git a/test/integration/testnet/ninsight.js b/test/integration/testnet/ninsight.js
index 7818d39..f6ed64d 100644
--- a/test/integration/testnet/ninsight.js
+++ b/test/integration/testnet/ninsight.js
@@ -158,11 +158,12 @@ describe(`#Ninsight`, () => {
       }
     })
 
-    it(`should GET details for a single address`, async () => {
+    it(`should POST address details for a single address`, async () => {
       const addr = "bchtest:qzjtnzcvzxx7s0na88yrg3zl28wwvfp97538sgrrmr"
 
       const result = await bchjs.Ninsight.details(addr)
       //console.log(`result: ${JSON.stringify(result, null, 2)}`)
+      assert.isArray(result)
       assert.property(result[0], "balance")
       assert.property(result[0], "balanceSat")
       assert.property(result[0], "totalReceived")
@@ -181,7 +182,7 @@ describe(`#Ninsight`, () => {
       assert.property(result[0], "pagesTotal")
     })
 
-    it(`should GET details for an array of addresses`, async () => {
+    it(`should POST address details for an array of addresses`, async () => {
       const addr = [
         "bchtest:qzjtnzcvzxx7s0na88yrg3zl28wwvfp97538sgrrmr",
         "bchtest:qp6hgvevf4gzz6l7pgcte3gaaud9km0l459fa23dul"
diff --git a/test/unit/ninsight.js b/test/unit/ninsight.js
index 4453776..331ec9f 100644
--- a/test/unit/ninsight.js
+++ b/test/unit/ninsight.js
@@ -312,6 +312,10 @@ describe(`#Ninsight`, () => {
       assert.property(result, "pagesTotal")
     })
 
+    it(`should call constructor with null args`, async () => {
+      new bchjs.Ninsight.constructor({})
+    })
+
     it(`should GET details for an array of addresses`, async () => {
       // Mock the network call.
       sandbox.stub(axios, "post").resolves({