diff --git a/Makefile b/Makefile
index 5f317c2e..fa3e0c02 100644
--- a/Makefile
+++ b/Makefile
@@ -4,8 +4,7 @@ install:
 	npm install
 
 spectral: install
-	./node_modules/.bin/spectral lint spec/json/twilio_*.json -Dq
-
+	./node_modules/.bin/spectral lint spec/json/twilio_*.json -Dq --verbose
 test: spectral
 
 test-docker:
diff --git a/functions/operations.js b/functions/operations.js
new file mode 100644
index 00000000..ab563220
--- /dev/null
+++ b/functions/operations.js
@@ -0,0 +1,62 @@
+import { containsPathInstance, isInstancePath, HTTP_OPS } from './utils';
+
+
+const instanceMap = {
+  "post": "Update",
+  "get": "Fetch",
+  "delete": "Delete"
+};
+
+const listMap = {
+  "get" : "List", 
+  "post": "Create"
+}
+
+
+const urlOperation = (pathKey, pathObj, isInstance) => {
+  const results = []
+  const opMap = isInstance ? instanceMap : listMap
+  for (const [key, value] of Object.entries(pathObj)) {
+    if (!HTTP_OPS.includes(key)) {
+      continue
+    }
+    if (opMap[key] && !value.operationId.startsWith(opMap[key]))  {
+      results.push(
+              {
+                message: "Error operationId for path " + pathKey + " has invalid operationId of " + value.operationId,
+              }
+      );
+    };
+  };
+  return results
+}
+
+const pathTypeOperation = (pathKey, pathObj) => {
+  const results = []
+  for (const [key, value] of Object.entries(pathObj)) {
+    if (!HTTP_OPS.includes(key)) {
+      continue
+    }
+    if (!value.operationId.startsWith(listMap[key]) || !value.operationId.startsWith(instanceMap[key])) {
+      const pathType = pathObj["x-twilio"]["pathType"] ;
+      results.push({
+        message: "Error operationId for path " + pathKey + " of defined pathType " + pathType + " has invalid operationId of " + value.operationId,
+      });
+    }
+  }
+  results;
+}
+
+export default (ops) => {
+  const results = []
+  for (const [pathKey, pathObj] of Object.entries(ops)) {
+    if (containsPathInstance(pathObj) ) { 
+      results.concat(pathTypeOperation(pathKey, pathObj));
+    }
+    else{
+      results.concat(urlOperation(pathKey, pathObj, isInstancePath(pathKey)));
+    }
+  }
+  return results;
+}  
+
diff --git a/functions/post_operations.js b/functions/post_operations.js
new file mode 100644
index 00000000..ade8ae3e
--- /dev/null
+++ b/functions/post_operations.js
@@ -0,0 +1,16 @@
+import { isInstancePath } from './utils';
+
+export default (ops) => { 
+    const results = []
+    for (const [pathKey, pathObj] of Object.entries(ops)) {
+        if (isInstancePath(pathKey)) {
+            if (pathObj["put"]) {
+                results.push(
+                    {
+                    message: "put operation not supported in instance path, please rename put to post ",
+                    });
+            }
+        }
+    }
+    return results
+}
\ No newline at end of file
diff --git a/functions/recordkey.js b/functions/recordkey.js
new file mode 100644
index 00000000..efea287c
--- /dev/null
+++ b/functions/recordkey.js
@@ -0,0 +1,34 @@
+import { containsPathInstance, isInstancePath } from './utils';
+
+const isRecordKey = (value, pathKey) => {
+    const results = [];
+    let flag = false;
+    for (const [_, prop ] of Object.entries(value["responses"]["200"]["content"]["application/json"]["schema"]["properties"])) {
+        if (prop["type"] == "array") {
+            flag = true;
+        }
+    }
+    if (!flag) {
+        results.push(
+            {
+            message: "Missing record key for pathkey " + pathKey,
+            }
+        );
+    };
+    return results;
+}
+
+
+export default (ops) => {
+    const results = []
+    for (const [pathKey, pathObj] of Object.entries(ops)) {
+        if (!containsPathInstance(pathObj) && !isInstancePath(pathKey)) {
+            for (const [key, value] of Object.entries(pathObj)) {
+                if (key == "get") {
+                    results.concat(isRecordKey(value, pathKey));
+                }  
+            }
+        };
+    }
+  return results;
+};
\ No newline at end of file
diff --git a/functions/serverurl.js b/functions/serverurl.js
new file mode 100644
index 00000000..aa7e20c3
--- /dev/null
+++ b/functions/serverurl.js
@@ -0,0 +1,21 @@
+module.exports = (ops) => {
+    const results = []
+    const info = ops.info
+    if (info.servers) {
+        return results
+    }
+    let flag = false;
+    for (const [_, pathObj] of Object.entries(ops.paths)) {
+        if (!pathObj.servers) {
+            flag = true
+        }
+    }
+    if (flag == true) {
+        results.push(
+            {
+            message: "Either add serverurl globally or add it serverurl for all the paths",
+            }
+        )
+    }
+    return results
+}
\ No newline at end of file
diff --git a/functions/utils.js b/functions/utils.js
new file mode 100644
index 00000000..39f28f4b
--- /dev/null
+++ b/functions/utils.js
@@ -0,0 +1,18 @@
+
+ export const containsPathInstance = (pathObj) => {
+    if (pathObj["x-twilio"] && pathObj["x-twilio"]["pathType"] == "instance") {
+      return true;
+    }
+    return false;
+}
+  
+export const isInstancePath = (path) => {
+    const paths = path.split("/");
+    const last = paths[paths.length - 1];
+    if (last[last.length - 1] == '}' || last.slice(last.length - 6 , last.length) == '}.json' ) {
+      return true;
+    }
+    return false;
+};
+
+export const HTTP_OPS = ["get", "post", "delete", "put", "patch"];
\ No newline at end of file
diff --git a/spectral.yaml b/spectral.yaml
index 1a09a7dc..318d817a 100644
--- a/spectral.yaml
+++ b/spectral.yaml
@@ -1,7 +1,7 @@
 extends: spectral:oas
+functions: [recordkey, operations, serverurl, post_operations]
 rules:
   no-$ref-siblings: false
-
   component-name-rule:
     severity: error
     recommended: true
@@ -15,7 +15,7 @@ rules:
   pascal-case-name-rule:
     severity: error
     recommended: true
-    message: OperationId should be PascalCased.
+    message: OperationId should be pascalCased.
     type: style
     given: "$.paths.[*].operationId"
     then:
@@ -52,3 +52,33 @@ rules:
         max: 50
         min: 4
 
+  list-operation-record-key:
+    message: "Response object does not have 2xx operation or default set"
+    given: "$.paths"
+    severity: error
+    then:
+      function: recordkey
+  
+  operation-id-convention:
+    message: "{{error}}"
+    given: "$.paths"
+    severity: error
+    then:
+      function: operations
+
+  valid-server-url:
+    message: "{{error}}"
+    given: "$"
+    severity: error
+    then:
+      function: serverurl
+  
+  update-operation:
+    message: "{{error}}"
+    given: "$.paths"
+    severity: error
+    then:
+      function: post_operations
+
+  oas3-valid-oas-content-example: off
+  oas3-valid-oas-parameter-example: off
\ No newline at end of file