diff --git a/src/messages.ts b/src/messages.ts
new file mode 100644
index 0000000..dfe909f
--- /dev/null
+++ b/src/messages.ts
@@ -0,0 +1,62 @@
+/**
+ * Centralized error messages and warnings for the DataSync MongoDB SDK
+ * This file contains all user-facing messages for consistency and maintainability
+ */
+
+export const ErrorMessages = {
+  // Configuration errors
+  INVALID_MONGODB_URI: (uri: any) => `MongoDB connection URL: ${uri} must be of type string`,
+  INVALID_DBNAME: 'Content store dbName should be of type string and not empty',
+
+  // Sorting errors
+  INVALID_ASCENDING_PARAMS: 'Invalid parameters for .ascending(). Expected a valid string field name',
+  INVALID_DESCENDING_PARAMS: 'Invalid parameters for .descending(). Expected a valid string field name',
+
+  // Language errors
+  INVALID_LANGUAGE_PARAMS: 'Invalid parameters for .language(). Expected a valid language code string',
+
+  // Logical operator errors
+  INVALID_AND_PARAMS: 'Invalid parameters for .and(). Expected an array of query objects',
+  INVALID_OR_PARAMS: 'Invalid parameters for .or(). Expected an array of query objects',
+
+  // Comparison operator errors
+  INVALID_LESSTHAN_PARAMS: 'Invalid key or value parameters for .lessThan(). Expected a string key and a value',
+  INVALID_LESSTHAN_OR_EQUAL_PARAMS: 'Invalid key or value parameters for .lessThanOrEqualTo(). Expected a string key and a value',
+  INVALID_GREATERTHAN_PARAMS: 'Invalid key or value parameters for .greaterThan(). Expected a string key and a value',
+  INVALID_GREATERTHAN_OR_EQUAL_PARAMS: 'Invalid key or value parameters for .greaterThanOrEqualTo(). Expected a string key and a value',
+  INVALID_NOTEQUAL_PARAMS: 'Invalid key or value parameters for .notEqualTo(). Expected a string key and a value',
+  INVALID_CONTAINED_IN_PARAMS: 'Invalid key or value parameters for .containedIn(). Expected a string key and an array value',
+  INVALID_NOT_CONTAINED_IN_PARAMS: 'Invalid key or value parameters for .notContainedIn(). Expected a string key and an array value',
+  INVALID_EXISTS_PARAMS: 'Invalid key parameter for .exists(). Expected a valid string field name',
+  INVALID_NOT_EXISTS_PARAMS: 'Invalid key parameter for .notExists(). Expected a valid string field name',
+
+  // Content type errors
+  MISSING_CONTENT_TYPE_UID: 'Content type UID is required. Please provide a valid content type UID',
+  MISSING_CONTENT_TYPE_FOR_ENTRY: 'Please call .contentType() before .entry()',
+  MISSING_CONTENT_TYPE_FOR_ENTRIES: 'Please call .contentType() before .entries()',
+
+  // Pagination errors
+  INVALID_LIMIT_VALUE: 'Invalid value for .limit(). Expected a positive numeric value',
+  INVALID_SKIP_VALUE: 'Invalid value for .skip(). Expected a non-negative numeric value',
+
+  // Projection errors
+  INVALID_ONLY_PARAMS: 'Invalid field values for .only(). Expected a non-empty array of field names',
+  INVALID_EXCEPT_PARAMS: 'Invalid field values for .except(). Expected a non-empty array of field names',
+
+  // Query errors
+  INVALID_REGEX_PARAMS: 'Invalid field or pattern parameters for .regex(). Expected string values for both field and pattern',
+  INVALID_TAGS_PARAMS: 'Invalid field values for .tags(). Expected an array of tag values',
+  INVALID_WHERE_PARAMS: 'Invalid expression for .where(). Expected a valid expression or function',
+  INVALID_QUERY_REFERENCES_PARAMS: 'Invalid query object for .queryReferences(). Expected a valid query object',
+  INVALID_INCLUDE_PARAMS: 'Invalid reference field path for .include(). Expected a valid string or array of strings',
+
+  // Query validation errors
+  INVALID_QUERY: 'Invalid query provided. Please ensure your query is properly formatted',
+  INVALID_QUERIES: 'Invalid queries provided. Please ensure all queries are properly formatted',
+} as const
+
+export const WarningMessages = {
+  // Performance warnings
+  SLOW_INCLUDE_REFERENCES: '.includeReferences(...) is a relatively slow query. Consider limiting the depth or using .include() for specific references',
+} as const
+
diff --git a/src/stack.ts b/src/stack.ts
index 814ccf8..5a0488b 100644
--- a/src/stack.ts
+++ b/src/stack.ts
@@ -23,6 +23,10 @@ import {
   validateConfig,
   validateURI,
 } from './util'
+import {
+  ErrorMessages,
+  WarningMessages,
+} from './messages'
 
 interface IShelf {
   path: string,
@@ -102,7 +106,7 @@ export class Stack {
    */
   public ascending(field) {
     if (typeof this.q.content_type_uid !== 'string' || typeof field !== 'string' || field.length === 0) {
-      throw new Error('Kindly provide valid parameters for .ascending!')
+      throw new Error(ErrorMessages.INVALID_ASCENDING_PARAMS)
     } else if (this.internal.sort && typeof this.internal.sort === 'object') {
       this.internal.sort[field] = 1
     } else {
@@ -140,7 +144,7 @@ export class Stack {
    */
   public descending(field) {
     if (typeof this.q.content_type_uid !== 'string' || typeof field !== 'string' || field.length === 0) {
-      throw new Error('Kindly provide valid parameters for .descending()!')
+      throw new Error(ErrorMessages.INVALID_DESCENDING_PARAMS)
     } else if (this.internal.sort && typeof this.internal.sort === 'object') {
       this.internal.sort[field] = -1
     } else {
@@ -220,7 +224,7 @@ export class Stack {
    */
   public language(code) {
     if (typeof code !== 'string' || code.length === 0) {
-      throw new Error('Kindly pass valid parameters for .language()!')
+      throw new Error(ErrorMessages.INVALID_LANGUAGE_PARAMS)
     }
     this.q.locale = code
 
@@ -257,7 +261,7 @@ export class Stack {
    */
   public and(queries) {
     if (typeof queries !== 'object' || !Array.isArray(queries)) {
-      throw new Error('Kindly provide valid parameters for .and()!')
+      throw new Error(ErrorMessages.INVALID_AND_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query = merge(this.q.query, {
         $and: queries,
@@ -301,7 +305,7 @@ export class Stack {
    */
   public or(queries) {
     if (typeof queries !== 'object' || !Array.isArray(queries)) {
-      throw new Error('Kindly provide valid parameters for .or()!')
+      throw new Error(ErrorMessages.INVALID_OR_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query = merge(this.q.query, {
         $or: queries,
@@ -343,7 +347,7 @@ export class Stack {
    */
   public lessThan(key, value) {
     if (typeof key !== 'string' || typeof value === 'undefined') {
-      throw new Error('Kindly pass valid key and value parameters for \'.lessThan()\'')
+      throw new Error(ErrorMessages.INVALID_LESSTHAN_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query[key] = {
         $lt: value,
@@ -387,7 +391,7 @@ export class Stack {
    */
   public lessThanOrEqualTo(key, value) {
     if (typeof key !== 'string' || typeof value === 'undefined') {
-      throw new Error('Kindly pass valid key and value parameters for \'.lessThanOrEqualTo()\'')
+      throw new Error(ErrorMessages.INVALID_LESSTHAN_OR_EQUAL_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query[key] = {
         $lte: value,
@@ -431,7 +435,7 @@ export class Stack {
    */
   public greaterThan(key, value) {
     if (typeof key !== 'string' || typeof value === 'undefined') {
-      throw new Error('Kindly pass valid key and value parameters for \'.greaterThan()\'')
+      throw new Error(ErrorMessages.INVALID_GREATERTHAN_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query[key] = {
         $gt: value,
@@ -475,7 +479,7 @@ export class Stack {
    */
   public greaterThanOrEqualTo(key, value) {
     if (typeof key !== 'string' || typeof value === 'undefined') {
-      throw new Error('Kindly pass valid key and value parameters for \'.greaterThanOrEqualTo()\'')
+      throw new Error(ErrorMessages.INVALID_GREATERTHAN_OR_EQUAL_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query[key] = {
         $gte: value,
@@ -524,7 +528,7 @@ export class Stack {
    */
   public notEqualTo(key, value) {
     if (typeof key !== 'string' || typeof value === 'undefined') {
-      throw new Error('Kindly pass valid key and value parameters for \'.notEqualTo()\'')
+      throw new Error(ErrorMessages.INVALID_NOTEQUAL_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query[key] = {
         $ne: value,
@@ -574,7 +578,7 @@ export class Stack {
    */
   public containedIn(key, value) {
     if (typeof key !== 'string' || typeof value !== 'object' || !(value instanceof Array)) {
-      throw new Error('Kindly pass valid key and value parameters for \'.containedIn()\'')
+      throw new Error(ErrorMessages.INVALID_CONTAINED_IN_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query[key] = {
         $in: value,
@@ -624,7 +628,7 @@ export class Stack {
    */
   public notContainedIn(key, value) {
     if (typeof key !== 'string' || typeof value !== 'object' || !(value instanceof Array)) {
-      throw new Error('Kindly pass valid key and value parameters for \'.notContainedIn()\'')
+      throw new Error(ErrorMessages.INVALID_NOT_CONTAINED_IN_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query[key] = {
         $nin: value,
@@ -674,7 +678,7 @@ export class Stack {
    */
   public exists(key) {
     if (typeof key !== 'string') {
-      throw new Error('Kindly pass valid key for \'.exists()\'')
+      throw new Error(ErrorMessages.INVALID_EXISTS_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query[key] = {
         $exists: true,
@@ -723,7 +727,7 @@ export class Stack {
    */
   public notExists(key) {
     if (typeof key !== 'string') {
-      throw new Error('Kindly pass valid key for \'.notExists()\'')
+      throw new Error(ErrorMessages.INVALID_NOT_EXISTS_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query[key] = {
         $exists: false,
@@ -766,7 +770,7 @@ export class Stack {
 
       return stack
     }
-    throw new Error('Kindly pass the content type\'s uid')
+    throw new Error(ErrorMessages.MISSING_CONTENT_TYPE_UID)
   }
 
   /**
@@ -793,7 +797,7 @@ export class Stack {
    */
   public entry(uid ? ) {
     if (!(this.q.content_type_uid)) {
-      throw new Error('Kindly call \'contentType()\' before \'entry()\'!')
+      throw new Error(ErrorMessages.MISSING_CONTENT_TYPE_FOR_ENTRY)
     }
     if (uid && typeof uid === 'string') {
       this.q.query = this.q.query || {}
@@ -830,7 +834,7 @@ export class Stack {
 
       return this
     }
-    throw new Error('Kindly call \'contentType()\' before \'entries()\'!')
+    throw new Error(ErrorMessages.MISSING_CONTENT_TYPE_FOR_ENTRIES)
   }
 
   /**
@@ -1013,7 +1017,7 @@ export class Stack {
 
       return this
     }
-    throw new Error('Kindly provide a valid \'numeric\' value for \'limit()\'')
+    throw new Error(ErrorMessages.INVALID_LIMIT_VALUE)
   }
 
   /**
@@ -1046,7 +1050,7 @@ export class Stack {
 
       return this
     }
-    throw new Error('Kindly provide a valid \'numeric\' value for \'skip()\'')
+    throw new Error(ErrorMessages.INVALID_SKIP_VALUE)
   }
 
   /**
@@ -1106,7 +1110,7 @@ export class Stack {
    */
   public only(fields) {
     if (!fields || typeof fields !== 'object' || !(fields instanceof Array) || fields.length === 0) {
-      throw new Error('Kindly provide valid \'field\' values for \'only()\'')
+      throw new Error(ErrorMessages.INVALID_ONLY_PARAMS)
     }
     this.internal.only = this.internal.only || {}
     this.internal.only._id = 0
@@ -1144,7 +1148,7 @@ export class Stack {
    */
   public except(fields) {
     if (!fields || typeof fields !== 'object' || !(fields instanceof Array) || fields.length === 0) {
-      throw new Error('Kindly provide valid \'field\' values for \'except()\'')
+      throw new Error(ErrorMessages.INVALID_EXCEPT_PARAMS)
     }
     this.internal.except = this.internal.except || {}
     fields.forEach((field) => {
@@ -1184,7 +1188,7 @@ export class Stack {
    */
   public regex(field, pattern, options = 'i') {
     if (!(field) || !(pattern) || typeof field !== 'string' || typeof pattern !== 'string') {
-      throw new Error('Kindly provide a valid field and pattern value for \'.regex()\'')
+      throw new Error(ErrorMessages.INVALID_REGEX_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       this.q.query = merge(this.q.query, {
         [field]: {
@@ -1227,7 +1231,7 @@ export class Stack {
    */
   public tags(values) {
     if (!values || typeof values !== 'object' || !(values instanceof Array)) {
-      throw new Error('Kindly provide valid \'field\' values for \'tags()\'')
+      throw new Error(ErrorMessages.INVALID_TAGS_PARAMS)
     }
     // filter non-string keys
     remove(values, (value) => {
@@ -1282,7 +1286,7 @@ export class Stack {
    */
   public where(expr) {
     if (!(expr)) {
-      throw new Error('Kindly provide a valid field and expr/fn value for \'.where()\'')
+      throw new Error(ErrorMessages.INVALID_WHERE_PARAMS)
     } else if (this.q.query && typeof this.q.query === 'object') {
       if (typeof expr === 'function') {
         expr = expr.toString()
@@ -1440,7 +1444,7 @@ export class Stack {
       return this
     }
 
-    throw new Error('Kindly pass a query object for \'.queryReferences()\'')
+    throw new Error(ErrorMessages.INVALID_QUERY_REFERENCES_PARAMS)
   }
 
   /**
@@ -1477,7 +1481,7 @@ export class Stack {
    * @returns {Stack} Returns 'this' instance (of Stack)
    */
   public includeReferences(depth?: number) {
-    console.warn('.includeReferences() is a relatively slow query..!')
+    console.warn(WarningMessages.SLOW_INCLUDE_REFERENCES)
     if (typeof depth === 'number') {
       this.q.referenceDepth = depth
     }
@@ -1501,7 +1505,7 @@ export class Stack {
    */
   public include(fields) {
     if (fields.length === 0) {
-      throw new Error('Kindly pass a valid reference field path to \'.include()\' ')
+      throw new Error(ErrorMessages.INVALID_INCLUDE_PARAMS)
     } else if (typeof fields === 'string') {
       this.internal.includeSpecificReferences = [fields]
     } else {
@@ -2099,7 +2103,7 @@ export class Stack {
 
   private async getReferencePath(query, locale, currentInclude) {
     if (!this.sanityQueryAny(query)) {
-      throw new Error('Invalid query provided');
+      throw new Error(ErrorMessages.INVALID_QUERY)
     }
     const querySanitize = this.sanitizeQueryBucket(query)
     const schemas = await this.db.collection(getCollectionName({
@@ -2195,7 +2199,7 @@ export class Stack {
   private async fetchEntries(query: IQuery, locale: string, paths: string[], include: string[], includeAll:
     boolean = false) {
     if (!this.sanitizeIQuery(query)) {
-      throw new Error('Invalid queries provided');
+      throw new Error(ErrorMessages.INVALID_QUERIES)
     }
     const sanitizeQuery = this.sanitizeQueryBucket(query)
     const result = await this.db.collection(getCollectionName({
diff --git a/src/util.ts b/src/util.ts
index a421cf0..de740a5 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -5,6 +5,7 @@
  */
 
 import { uniq } from 'lodash'
+import { ErrorMessages } from './messages'
 
 /**
  * @private
@@ -16,7 +17,7 @@ import { uniq } from 'lodash'
  */
 export const validateURI = (uri) => {
   if (typeof uri !== 'string' || uri.length === 0) {
-    throw new Error(`Mongodb connection url: ${uri} must be of type string`)
+    throw new Error(ErrorMessages.INVALID_MONGODB_URI(uri))
   }
 
   return uri
@@ -59,7 +60,7 @@ const getParents = (child, mapping) => {
 
 const validateContentStore = (contentStore) => {
   if (typeof contentStore.dbName !== 'string' || contentStore.dbName.length === 0) {
-    throw new Error('Contentstore dbName should be of type string and not empty!')
+    throw new Error(ErrorMessages.INVALID_DBNAME)
   }
 
   if (typeof contentStore.collectionName === 'string') {
diff --git a/typings/messages.d.ts b/typings/messages.d.ts
new file mode 100644
index 0000000..879a86e
--- /dev/null
+++ b/typings/messages.d.ts
@@ -0,0 +1,41 @@
+/**
+ * Type definitions for centralized error messages and warnings
+ */
+
+export declare const ErrorMessages: {
+  readonly INVALID_MONGODB_URI: (uri: any) => string;
+  readonly INVALID_DBNAME: string;
+  readonly INVALID_ASCENDING_PARAMS: string;
+  readonly INVALID_DESCENDING_PARAMS: string;
+  readonly INVALID_LANGUAGE_PARAMS: string;
+  readonly INVALID_AND_PARAMS: string;
+  readonly INVALID_OR_PARAMS: string;
+  readonly INVALID_LESSTHAN_PARAMS: string;
+  readonly INVALID_LESSTHAN_OR_EQUAL_PARAMS: string;
+  readonly INVALID_GREATERTHAN_PARAMS: string;
+  readonly INVALID_GREATERTHAN_OR_EQUAL_PARAMS: string;
+  readonly INVALID_NOTEQUAL_PARAMS: string;
+  readonly INVALID_CONTAINED_IN_PARAMS: string;
+  readonly INVALID_NOT_CONTAINED_IN_PARAMS: string;
+  readonly INVALID_EXISTS_PARAMS: string;
+  readonly INVALID_NOT_EXISTS_PARAMS: string;
+  readonly MISSING_CONTENT_TYPE_UID: string;
+  readonly MISSING_CONTENT_TYPE_FOR_ENTRY: string;
+  readonly MISSING_CONTENT_TYPE_FOR_ENTRIES: string;
+  readonly INVALID_LIMIT_VALUE: string;
+  readonly INVALID_SKIP_VALUE: string;
+  readonly INVALID_ONLY_PARAMS: string;
+  readonly INVALID_EXCEPT_PARAMS: string;
+  readonly INVALID_REGEX_PARAMS: string;
+  readonly INVALID_TAGS_PARAMS: string;
+  readonly INVALID_WHERE_PARAMS: string;
+  readonly INVALID_QUERY_REFERENCES_PARAMS: string;
+  readonly INVALID_INCLUDE_PARAMS: string;
+  readonly INVALID_QUERY: string;
+  readonly INVALID_QUERIES: string;
+};
+
+export declare const WarningMessages: {
+  readonly SLOW_INCLUDE_REFERENCES: string;
+};
+