diff --git a/app/views/api/v1/accounts/conversations/participants/show.json.jbuilder b/app/views/api/v1/accounts/conversations/participants/show.json.jbuilder
index cce70781c..5de95847d 100644
--- a/app/views/api/v1/accounts/conversations/participants/show.json.jbuilder
+++ b/app/views/api/v1/accounts/conversations/participants/show.json.jbuilder
@@ -1,3 +1,3 @@
 json.array! @participants do |participant|
-  json.partial! 'api/v1/models/agent.json.jbuilder', resource: participant.user
+  json.partial! 'api/v1/models/agent', format: :json, resource: participant.user
 end
diff --git a/spec/controllers/api/v1/accounts/conversations/participants_controller_spec.rb b/spec/controllers/api/v1/accounts/conversations/participants_controller_spec.rb
new file mode 100644
index 000000000..3a0de7777
--- /dev/null
+++ b/spec/controllers/api/v1/accounts/conversations/participants_controller_spec.rb
@@ -0,0 +1,124 @@
+require 'rails_helper'
+
+RSpec.describe 'Conversation Participants API', type: :request do
+  let(:account) { create(:account) }
+  let(:conversation) { create(:conversation, account: account) }
+  let(:agent) { create(:user, account: account, role: :agent) }
+
+  before do
+    create(:inbox_member, inbox: conversation.inbox, user: agent)
+  end
+
+  describe 'GET /api/v1/accounts/{account.id}/conversations/<id>/paricipants' do
+
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        get api_v1_account_conversation_participants_url(account_id: account.id, conversation_id: conversation.display_id)
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user with access to the conversation' do
+      let(:participant1) { create(:user, account: account, role: :agent) }
+      let(:participant2) { create(:user, account: account, role: :agent) }
+
+      it 'returns all the partipants for the conversation' do
+        create(:conversation_participant, conversation: conversation, user: participant1)
+        create(:conversation_participant, conversation: conversation, user: participant2)
+        get api_v1_account_conversation_participants_url(account_id: account.id, conversation_id: conversation.display_id),
+            headers: agent.create_new_auth_token,
+            as: :json
+
+        expect(response).to have_http_status(:success)
+        expect(response.body).to include(participant1.email)
+        expect(response.body).to include(participant2.email)
+      end
+    end
+  end
+
+  describe 'POST /api/v1/accounts/{account.id}/conversations/<id>/participants' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        post api_v1_account_conversation_participants_url(account_id: account.id, conversation_id: conversation.display_id)
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:participant) { create(:user, account: account, role: :agent) }
+
+      it 'creates a new participants when its authorized agent' do
+        params = { user_ids: [participant.id] }
+      
+        expect(conversation.conversation_participants.count).to eq(0)
+        post api_v1_account_conversation_participants_url(account_id: account.id, conversation_id: conversation.display_id),
+             params: params,
+             headers: agent.create_new_auth_token,
+             as: :json
+
+        expect(response).to have_http_status(:success)
+        expect(response.body).to include(participant.email)
+        expect(conversation.conversation_participants.count).to eq(1)
+      end
+    end
+  end
+
+  describe 'PUT /api/v1/accounts/{account.id}/conversations/<id>/participants' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        put api_v1_account_conversation_participants_url(account_id: account.id, conversation_id: conversation.display_id)
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:participant) { create(:user, account: account, role: :agent) }
+      let(:participant_to_be_added) { create(:user, account: account, role: :agent) }
+      let(:participant_to_be_removed) { create(:user, account: account, role: :agent) }
+
+      it 'updates participants when its authorized agent' do
+        params = { user_ids: [participant.id, participant_to_be_added.id] }
+        create(:conversation_participant, conversation: conversation, user: participant)
+        create(:conversation_participant, conversation: conversation, user: participant_to_be_removed)
+
+        expect(conversation.conversation_participants.count).to eq(2)
+        put api_v1_account_conversation_participants_url(account_id: account.id, conversation_id: conversation.display_id),
+             params: params,
+             headers: agent.create_new_auth_token,
+             as: :json
+
+        expect(response).to have_http_status(:success)
+        expect(response.body).to include(participant.email)
+        expect(response.body).to include(participant_to_be_added.email)
+        expect(conversation.conversation_participants.count).to eq(2)
+      end
+    end
+  end
+
+  describe 'DELETE /api/v1/accounts/{account.id}/conversations/<id>/participants' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        delete api_v1_account_conversation_participants_url(account_id: account.id, conversation_id: conversation.display_id)
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:participant) { create(:user, account: account, role: :agent) }
+
+      it 'deletes participants when its authorized agent' do
+        params = { user_ids: [participant.id] }
+        create(:conversation_participant, conversation: conversation, user: participant)
+      
+        expect(conversation.conversation_participants.count).to eq(1)
+        delete api_v1_account_conversation_participants_url(account_id: account.id, conversation_id: conversation.display_id),
+             params: params,
+             headers: agent.create_new_auth_token,
+             as: :json
+
+        expect(response).to have_http_status(:success)
+        expect(conversation.conversation_participants.count).to eq(0)
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/factories/conversation_participants.rb b/spec/factories/conversation_participants.rb
new file mode 100644
index 000000000..728a8008c
--- /dev/null
+++ b/spec/factories/conversation_participants.rb
@@ -0,0 +1,7 @@
+FactoryBot.define do
+  factory :conversation_participant do
+    conversation
+    user
+    account
+  end
+end