diff --git a/.changeset/thick-buttons-rush.md b/.changeset/thick-buttons-rush.md
new file mode 100644
index 0000000..fbb37fa
--- /dev/null
+++ b/.changeset/thick-buttons-rush.md
@@ -0,0 +1,5 @@
+---
+"@absmach/magistrala-sdk": minor
+---
+
+Remove domain id in invitations file
diff --git a/examples/domains.ts b/examples/domains.ts
index 91eaa72..79eedcc 100644
--- a/examples/domains.ts
+++ b/examples/domains.ts
@@ -8,10 +8,9 @@ const mySdk = new SDK({
 })
 
 const token = '<token>'
-
 mySdk.domains
   .CreateDomain(
-    { name: '<domainName>' },
+    { name: '<domainName>', alias: '<domainAlias>' },
     token
   )
   .then((response: any) => {
diff --git a/examples/invitations.ts b/examples/invitations.ts
index 3fcf14e..28f5e28 100644
--- a/examples/invitations.ts
+++ b/examples/invitations.ts
@@ -15,7 +15,7 @@ mySdk.invitations.SendInvitation(
   {
     user_id: '<userID>',
     domain_id: domainId,
-    relation: 'administrator'
+    relation: 'contributor'
   },
   token
 )
@@ -28,7 +28,7 @@ mySdk.invitations.SendInvitation(
 
 mySdk.invitations.Invitation(
   '<userID>',
-  '<domainID>',
+  domainId,
   token
 )
   .then((response: any) => {
@@ -43,7 +43,6 @@ mySdk.invitations.Invitations(
     limit: 10,
     offset: 0
   },
-  domainId,
   token
 )
   .then((response: any) => {
@@ -54,7 +53,18 @@ mySdk.invitations.Invitations(
   })
 
 mySdk.invitations.AcceptInvitation(
-  '<domainID>',
+  domainId,
+  token
+)
+  .then((response: any) => {
+    console.log('response: ', response)
+  })
+  .catch((error) => {
+    console.log(error)
+  })
+
+mySdk.invitations.RejectInvitation(
+  domainId,
   token
 )
   .then((response: any) => {
@@ -65,8 +75,8 @@ mySdk.invitations.AcceptInvitation(
   })
 
 mySdk.invitations.DeleteInvitation(
-  '<domainID>',
   '<userID>',
+  '<domainID>',
   token
 )
   .then((response: any) => {
diff --git a/src/invitations.ts b/src/invitations.ts
index 419418b..b62c829 100644
--- a/src/invitations.ts
+++ b/src/invitations.ts
@@ -51,9 +51,10 @@ export default class Invitations {
 
     try {
       const response = await fetch(
-        new URL(`${invitation.domain_id as string}/${this.invitationsEndpoint}`, this.invitationsUrl).toString(),
+        new URL(`${this.invitationsEndpoint}`, this.invitationsUrl).toString(),
         options
       )
+      console.log('url', response.url)
       if (!response.ok) {
         const errorRes = await response.json()
         throw this.invitationError.HandleError(errorRes.message, response.status)
@@ -85,7 +86,7 @@ export default class Invitations {
 
     try {
       const response = await fetch(
-        new URL(`${domainId}/${this.invitationsEndpoint}/${userId}`, this.invitationsUrl).toString(),
+        new URL(`${this.invitationsEndpoint}/${userId}/${domainId}`, this.invitationsUrl).toString(),
         options
       )
       if (!response.ok) {
@@ -99,12 +100,11 @@ export default class Invitations {
     }
   }
 
-  public async Invitations (queryParams: PageMetadata, domainId: string, token: string): Promise<InvitationsPage> {
+  public async Invitations (queryParams: PageMetadata, token: string): Promise<InvitationsPage> {
     // Invitations returns a list of invitations.
     /**
      * @method Invitations - returns a list of invitations.
      * @param {Object} queryParams - The query parameters such as limit and offset.
-     * @param {string} domainId - The Domain ID.
      * @param {string} token - The user's access token.
      * @returns {Object} - The invitations page object that has a list of invitations and pagination information.
      */
@@ -123,7 +123,7 @@ export default class Invitations {
     try {
       const response = await fetch(
         new URL(
-            `${domainId}/${this.invitationsEndpoint}?${new URLSearchParams(stringParams).toString()}`,
+            `${this.invitationsEndpoint}?${new URLSearchParams(stringParams).toString()}`,
             this.invitationsUrl
         ).toString(),
         options
@@ -144,7 +144,7 @@ export default class Invitations {
     /**
      * @method AcceptInvitation - accepts an invitation by adding the user to the domain that they were invited to.
      * @param {String} domainId - The Domain ID.
-     * @param {string} token - The user's access token.
+     * @param {string} token - The invited user's access token.
      * @returns {Object} - The response object which has a status and a message.
      */
     const options: RequestInit = {
@@ -152,12 +152,13 @@ export default class Invitations {
       headers: {
         'Content-Type': this.contentType,
         Authorization: `Bearer ${token}`
-      }
+      },
+      body: JSON.stringify({ domain_id: domainId })
     }
 
     try {
       const response = await fetch(
-        new URL(`${domainId}/${this.invitationsEndpoint}/accept`, this.invitationsUrl).toString(),
+        new URL(`${this.invitationsEndpoint}/accept`, this.invitationsUrl).toString(),
         options
       )
       if (!response.ok) {
@@ -171,6 +172,39 @@ export default class Invitations {
     }
   }
 
+  public async RejectInvitation (domainId: string, token: string): Promise<Response> {
+    // RejectInvitation rejects an invitation by declining an invitation a user was sent to join a domain.
+    /**
+     * @method RejectInvitation - rejects an invitation by declining an invitation a user was sent to join a domain.
+     * @param {String} domainId - The Domain ID.
+     * @param {string} token - The invited user's access token.
+     * @returns {Object} - The response object which has a status and a message.
+     */
+    const options: RequestInit = {
+      method: 'POST',
+      headers: {
+        'Content-Type': this.contentType,
+        Authorization: `Bearer ${token}`
+      },
+      body: JSON.stringify({ domain_id: domainId })
+    }
+
+    try {
+      const response = await fetch(
+        new URL(`${this.invitationsEndpoint}/reject`, this.invitationsUrl).toString(),
+        options
+      )
+      if (!response.ok) {
+        const errorRes = await response.json()
+        throw this.invitationError.HandleError(errorRes.message, response.status)
+      }
+      const inviteResponse: Response = { status: response.status, message: 'Invitation rejected successfully' }
+      return inviteResponse
+    } catch (error) {
+      throw error
+    }
+  }
+
   public async DeleteInvitation (userId: string, domainId: string, token: string): Promise<Response> {
     // DeleteInvitation deletes an invitation.
     /**
@@ -190,7 +224,7 @@ export default class Invitations {
 
     try {
       const response = await fetch(
-        new URL(`${domainId}/${this.invitationsEndpoint}/${userId}`, this.invitationsUrl).toString(),
+        new URL(`${this.invitationsEndpoint}/${userId}/${domainId}`, this.invitationsUrl).toString(),
         options
       )
       if (!response.ok) {
diff --git a/tests/invitations.test.ts b/tests/invitations.test.ts
index cde8562..fe42edf 100644
--- a/tests/invitations.test.ts
+++ b/tests/invitations.test.ts
@@ -60,7 +60,7 @@ describe('Invitations', () => {
   test('invitations should return a list of invitations and return success', async () => {
     fetchMock.mockResponseOnce(JSON.stringify(invitationsPage))
 
-    const response = await sdk.invitations.Invitations(queryParams, domainId, token)
+    const response = await sdk.invitations.Invitations(queryParams, token)
     expect(response).toEqual(invitationsPage)
   })
 
@@ -75,6 +75,17 @@ describe('Invitations', () => {
     expect(response).toEqual(AcceptInvitationResponse)
   })
 
+  test('reject invitation should reject an invitation and return success', async () => {
+    const RejectInvitationResponse = {
+      status: 200,
+      message: 'Invitation rejected successfully'
+    }
+    fetchMock.mockResponseOnce(JSON.stringify(RejectInvitationResponse))
+
+    const response = await sdk.invitations.RejectInvitation(domainId, token)
+    expect(response).toEqual(RejectInvitationResponse)
+  })
+
   test('delete invitation should delete an invitation and return success', async () => {
     const DeleteInvitationResponse = {
       status: 200,