diff --git a/sasjs-tests/src/testSuites/RequestData.ts b/sasjs-tests/src/testSuites/RequestData.ts
index a2088f3..b4bf93e 100644
--- a/sasjs-tests/src/testSuites/RequestData.ts
+++ b/sasjs-tests/src/testSuites/RequestData.ts
@@ -176,11 +176,59 @@ export const sendObjTests = (adapter: SASjs): TestSuite => ({
   name: 'sendObj',
   tests: [
     {
-      title: 'Invalid column name',
+      title: 'Table name starts with numeric',
       description: 'Should throw an error',
       test: async () => {
         const invalidData: any = {
-          '1 invalid table': [{ col1: 42 }]
+          '1InvalidTable': [{ col1: 42 }]
+        }
+        return adapter.request('common/sendObj', invalidData).catch((e) => e)
+      },
+      assertion: (error: any) =>
+        !!error && !!error.error && !!error.error.message
+    },
+    {
+      title: 'Table name contains a space',
+      description: 'Should throw an error',
+      test: async () => {
+        const invalidData: any = {
+          'an invalidTable': [{ col1: 42 }]
+        }
+        return adapter.request('common/sendObj', invalidData).catch((e) => e)
+      },
+      assertion: (error: any) =>
+        !!error && !!error.error && !!error.error.message
+    },
+    {
+      title: 'Table name contains a special character',
+      description: 'Should throw an error',
+      test: async () => {
+        const invalidData: any = {
+          'anInvalidTable#': [{ col1: 42 }]
+        }
+        return adapter.request('common/sendObj', invalidData).catch((e) => e)
+      },
+      assertion: (error: any) =>
+        !!error && !!error.error && !!error.error.message
+    },
+    {
+      title: 'Table name exceeds max length of 32 characters',
+      description: 'Should throw an error',
+      test: async () => {
+        const invalidData: any = {
+          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx: [{ col1: 42 }]
+        }
+        return adapter.request('common/sendObj', invalidData).catch((e) => e)
+      },
+      assertion: (error: any) =>
+        !!error && !!error.error && !!error.error.message
+    },
+    {
+      title: "Invalid data object's structure",
+      description: 'Should throw an error',
+      test: async () => {
+        const invalidData: any = {
+          inData: [[{ data: 'value' }]]
         }
         return adapter.request('common/sendObj', invalidData).catch((e) => e)
       },
diff --git a/src/SASjs.ts b/src/SASjs.ts
index bc232fe..9304a51 100644
--- a/src/SASjs.ts
+++ b/src/SASjs.ts
@@ -581,7 +581,7 @@ export default class SASjs {
    */
   public async request(
     sasJob: string,
-    data: { [key: string]: any },
+    data: { [key: string]: any } | null,
     config: { [key: string]: any } = {},
     loginRequiredCallback?: () => any,
     accessToken?: string,
@@ -592,17 +592,36 @@ export default class SASjs {
       ...config
     }
 
-    if (config.serverType === ServerType.SasViya && config.contextName) {
-      if (config.useComputeApi) {
-        return await this.computeJobExecutor!.execute(
-          sasJob,
-          data,
-          config,
-          loginRequiredCallback,
-          accessToken
-        )
+    const validationResult = this.validateInput(data)
+
+    if (validationResult.status) {
+      if (config.serverType === ServerType.SasViya && config.contextName) {
+        if (config.useComputeApi) {
+          return await this.computeJobExecutor!.execute(
+            sasJob,
+            data,
+            config,
+            loginRequiredCallback,
+            accessToken
+          )
+        } else {
+          return await this.jesJobExecutor!.execute(
+            sasJob,
+            data,
+            config,
+            loginRequiredCallback,
+            accessToken,
+            extraResponseAttributes
+          )
+        }
+      } else if (
+        config.serverType === ServerType.Sas9 &&
+        config.username &&
+        config.password
+      ) {
+        return await this.sas9JobExecutor!.execute(sasJob, data, config)
       } else {
-        return await this.jesJobExecutor!.execute(
+        return await this.webJobExecutor!.execute(
           sasJob,
           data,
           config,
@@ -611,19 +630,71 @@ export default class SASjs {
           extraResponseAttributes
         )
       }
-    } else if (
-      config.serverType === ServerType.Sas9 &&
-      config.username &&
-      config.password
-    ) {
-      return await this.sas9JobExecutor!.execute(sasJob, data, config)
     } else {
-      return await this.webJobExecutor!.execute(
-        sasJob,
-        data,
-        config,
-        loginRequiredCallback
-      )
+      return Promise.reject(new ErrorResponse(validationResult.msg))
+    }
+  }
+
+  /**
+   * This function validates the input data structure and table naming convention
+   *
+   * @param data A json object that contains one or more tables, it can also be null
+   * @returns An object which contains two attributes: 1) status: boolean, 2) msg: string
+   */
+  private validateInput(data: { [key: string]: any } | null): {
+    status: boolean
+    msg: string
+  } {
+    if (data === null) return { status: true, msg: '' }
+    for (const key in data) {
+      if (!key.match(/^[a-zA-Z_]/)) {
+        return {
+          status: false,
+          msg: 'First letter of table should be alphabet or underscore.'
+        }
+      }
+
+      if (!key.match(/^[a-zA-Z_][a-zA-Z0-9_]*$/)) {
+        return { status: false, msg: 'Table name should be alphanumeric.' }
+      }
+
+      if (key.length > 32) {
+        return {
+          status: false,
+          msg: 'Maximum length for table name could be 32 characters.'
+        }
+      }
+
+      if (this.getType(data[key]) !== 'Array') {
+        return {
+          status: false,
+          msg: 'Parameter data contains invalid table structure.'
+        }
+      }
+
+      for (let i = 0; i < data[key].length; i++) {
+        if (this.getType(data[key][i]) !== 'object') {
+          return {
+            status: false,
+            msg: `Table ${key} contains invalid structure.`
+          }
+        }
+      }
+    }
+    return { status: true, msg: '' }
+  }
+
+  /**
+   * this function returns the type of variable
+   *
+   * @param data it could be anything, like string, array, object etc.
+   * @returns a string which tells the type of input parameter
+   */
+  private getType(data: any): string {
+    if (Array.isArray(data)) {
+      return 'Array'
+    } else {
+      return typeof data
     }
   }