diff --git a/javascript/lib/api/tests/client/http/features.http.spec.ts b/javascript/lib/api/tests/client/http/features.http.spec.ts
index 3e99739c..e1648526 100644
--- a/javascript/lib/api/tests/client/http/features.http.spec.ts
+++ b/javascript/lib/api/tests/client/http/features.http.spec.ts
@@ -89,7 +89,7 @@ describe('Http Features Handle', () => {
     });
   });
 
-  it('updates a Feature', () => {
+  it('creates a Feature', () => {
     return H.test({
       toTest: () => handle.putFeature(H.feature),
       testBody: H.feature.toObject(),
@@ -101,6 +101,18 @@ describe('Http Features Handle', () => {
     });
   });
 
+  it('updates a Feature', () => {
+    return H.test({
+      toTest: () => handle.putFeature(H.feature),
+      testBody: H.feature.toObject(),
+      expected: new PutResponse(null, 204, undefined),
+      request: `${baseRequest}/${H.feature.id}`,
+      method: 'put',
+      status: 204,
+      payload: H.feature.toJson()
+    });
+  });
+
   it('updates a Definition', () => {
     return H.test({
       toTest: () => handle.putDefinition(H.feature.id, H.definition),
diff --git a/javascript/lib/api/tests/client/http/http-requester.mock.ts b/javascript/lib/api/tests/client/http/http-requester.mock.ts
index c8d4c4b8..92fca212 100644
--- a/javascript/lib/api/tests/client/http/http-requester.mock.ts
+++ b/javascript/lib/api/tests/client/http/http-requester.mock.ts
@@ -28,6 +28,7 @@ export class TestRequester implements HttpRequester {
       }
       this.requests.forEach((response, request) => {
         if (this.matches(method, url, header, body, request)) {
+          this.requests.delete(request);
           resolve(response);
         }
       });
diff --git a/javascript/lib/api/tests/client/http/policies.http.spec.ts b/javascript/lib/api/tests/client/http/policies.http.spec.ts
index 29945ef6..54d8ade3 100644
--- a/javascript/lib/api/tests/client/http/policies.http.spec.ts
+++ b/javascript/lib/api/tests/client/http/policies.http.spec.ts
@@ -123,7 +123,7 @@ describe('Http Policies Handle', () => {
     });
   });
 
-  it('puts a Policy', () => {
+  it('creates a Policy', () => {
     return H.test({
       toTest: () => handle.putPolicy(policy),
       testBody: policy.toObject(),
@@ -135,6 +135,30 @@ describe('Http Policies Handle', () => {
     });
   });
 
+  it('updates a Policy', () => {
+    return H.test({
+      toTest: () => handle.putPolicy(policy),
+      testBody: policy.toObject(),
+      expected: new PutResponse(null, 204, undefined),
+      request: baseRequest,
+      method: 'put',
+      status: 204,
+      payload: policy.toJson()
+    });
+  });
+
+  it('creates Entries', () => {
+    return H.test({
+      toTest: () => handle.putEntries(policy.id, entries),
+      testBody: Entries.toObject(entries),
+      expected: new PutResponse(null, 204, undefined),
+      request: `${baseRequest}/entries`,
+      method: 'put',
+      status: 204,
+      payload: Entries.toJson(entries)
+    });
+  });
+
   it('updates Entries', () => {
     return H.test({
       toTest: () => handle.putEntries(policy.id, entries),
@@ -147,7 +171,7 @@ describe('Http Policies Handle', () => {
     });
   });
 
-  it('updates an Entry', () => {
+  it('creates an Entry', () => {
     return H.test({
       toTest: () => handle.putEntry(policy.id, anEntry),
       testBody: anEntry.toObject(),
@@ -159,7 +183,19 @@ describe('Http Policies Handle', () => {
     });
   });
 
-  it('updates Subjects', () => {
+  it('updates an Entry', () => {
+    return H.test({
+      toTest: () => handle.putEntry(policy.id, anEntry),
+      testBody: anEntry.toObject(),
+      expected: new PutResponse(null, 204, undefined),
+      request: `${baseRequest}/entries/${label}`,
+      method: 'put',
+      status: 204,
+      payload: anEntry.toJson()
+    });
+  });
+
+  it('creates Subjects', () => {
     return H.test({
       toTest: () => handle.putSubjects(policy.id, label, subjects),
       testBody: Subjects.toObject(subjects),
@@ -171,7 +207,19 @@ describe('Http Policies Handle', () => {
     });
   });
 
-  it('updates a Subject', () => {
+  it('updates Subjects', () => {
+    return H.test({
+      toTest: () => handle.putSubjects(policy.id, label, subjects),
+      testBody: Subjects.toObject(subjects),
+      expected: new PutResponse(null, 204, undefined),
+      request: `${baseRequest}/entries/${label}/subjects`,
+      method: 'put',
+      status: 204,
+      payload: Subjects.toJson(subjects)
+    });
+  });
+
+  it('creates a Subject', () => {
     return H.test({
       toTest: () => handle.putSubject(policy.id, label, aSubject),
       testBody: aSubject.toObject(),
@@ -183,7 +231,19 @@ describe('Http Policies Handle', () => {
     });
   });
 
-  it('updates Resources', () => {
+  it('updates a Subject', () => {
+    return H.test({
+      toTest: () => handle.putSubject(policy.id, label, aSubject),
+      testBody: aSubject.toObject(),
+      expected: new PutResponse(null, 204, undefined),
+      request: `${baseRequest}/entries/${label}/subjects/${subjectId}`,
+      method: 'put',
+      status: 204,
+      payload: aSubject.toJson()
+    });
+  });
+
+  it('creates Resources', () => {
     return H.test({
       toTest: () => handle.putResources(policy.id, label, resources),
       testBody: Resources.toObject(resources),
@@ -195,7 +255,19 @@ describe('Http Policies Handle', () => {
     });
   });
 
-  it('updates a Resource', () => {
+  it('updates Resources', () => {
+    return H.test({
+      toTest: () => handle.putResources(policy.id, label, resources),
+      testBody: Resources.toObject(resources),
+      expected: new PutResponse(null, 204, undefined),
+      request: `${baseRequest}/entries/${label}/resources`,
+      method: 'put',
+      status: 204,
+      payload: Resources.toJson(resources)
+    });
+  });
+
+  it('creates a Resource', () => {
     return H.test({
       toTest: () => handle.putResource(policy.id, label, aResource),
       testBody: aResource.toObject(),
@@ -207,6 +279,18 @@ describe('Http Policies Handle', () => {
     });
   });
 
+  it('updates a Resource', () => {
+    return H.test({
+      toTest: () => handle.putResource(policy.id, label, aResource),
+      testBody: aResource.toObject(),
+      expected: new PutResponse(null, 204, undefined),
+      request: `${baseRequest}/entries/${label}/resources/${resourcePath}`,
+      method: 'put',
+      status: 204,
+      payload: aResource.toJson()
+    });
+  });
+
   it('deletes a Policy', () => {
     return H.test({
       toTest: () => handle.deletePolicy(policy.id),
diff --git a/javascript/lib/api/tests/client/http/things.http.spec.ts b/javascript/lib/api/tests/client/http/things.http.spec.ts
index 6698700a..e06f077d 100644
--- a/javascript/lib/api/tests/client/http/things.http.spec.ts
+++ b/javascript/lib/api/tests/client/http/things.http.spec.ts
@@ -145,7 +145,7 @@ describe('Http Things Handle', () => {
     });
   });
 
-  it('puts a Thing', () => {
+  it('puts a new Thing', () => {
     return H.test({
       toTest: () => handleV2.putThing(H.thing),
       testBody: H.thing.toObject(),
@@ -157,6 +157,18 @@ describe('Http Things Handle', () => {
     });
   });
 
+  it('puts a Thing that already exists', () => {
+    return H.test({
+      toTest: () => handleV2.putThing(H.thing),
+      testBody: H.thing.toObject(),
+      expected: new PutResponse(null, 204, undefined),
+      request: `${baseRequest}`,
+      method: 'put',
+      status: 204,
+      payload: H.thing.toJson()
+    });
+  });
+
   it('updates a policyId', () => {
     return H.test({
       toTest: () => handleV2.putPolicyId(H.thing.thingId, 'ID'),
@@ -169,7 +181,7 @@ describe('Http Things Handle', () => {
     });
   });
 
-  it('updates an Attribute', () => {
+  it('creates Attributes', () => {
     return H.test({
       toTest: () => handleV2.putAttributes(H.thing.thingId, H.attributes),
       testBody: H.attributes,
@@ -181,7 +193,19 @@ describe('Http Things Handle', () => {
     });
   });
 
-  it('updates an Attribute', () => {
+  it('updates Attributes', () => {
+    return H.test({
+      toTest: () => handleV2.putAttributes(H.thing.thingId, H.attributes),
+      testBody: H.attributes,
+      expected: new PutResponse(null, 204, undefined),
+      request: `${baseRequest}/attributes`,
+      method: 'put',
+      status: 204,
+      payload: JSON.stringify(H.attributes)
+    });
+  });
+
+  it('creates an Attribute', () => {
     return H.test({
       toTest: () => handleV2.putAttribute(H.thing.thingId, H.attributePath, H.attribute),
       testBody: H.attribute,
@@ -204,7 +228,7 @@ describe('Http Things Handle', () => {
     });
   });
 
-  it('updates an AclEntry', () => {
+  it('creates an AclEntry', () => {
     return H.test({
       toTest: () => handleV1.putAclEntry(H.thing.thingId, anAclEntry),
       testBody: anAclEntry.toObject(),
@@ -217,6 +241,19 @@ describe('Http Things Handle', () => {
     });
   });
 
+  it('updates an AclEntry', () => {
+    return H.test({
+      toTest: () => handleV1.putAclEntry(H.thing.thingId, anAclEntry),
+      testBody: anAclEntry.toObject(),
+      expected: new PutResponse(null, 204, undefined),
+      request: `${baseRequest}/acl/${authorizationSubject}`,
+      method: 'put',
+      status: 204,
+      payload: anAclEntry.toJson(),
+      api: 1
+    });
+  });
+
   it('deletes a Thing', () => {
     return H.test({
       toTest: () => handleV2.deleteThing(H.thing.thingId),