AI Support Agent admin panel showing automated email conversations and real-time monitoring

AI Support Agent for Fitness App

Automated customer support system that handles refund and cancellation requests instantly on big scale, preventing chargebacks through 24/7 instant responses. Built with OpenAI GPT-4, the AI agent serves thousands of daily users at $0.02 per conversation while reducing peak-hour reply time from 4 hours to under 1 minute.

Home→Cases→AI Support Agent
24/7
Response Time
1000s
Daily Users
$0.02
Per Conversation
4h β†’ 1m
Reply Time

🎯The Challenge

A fitness app with thousands of daily users faced a critical chargeback problem. Their Ukraine-based support team couldn't respond fast enough to US customers requesting refunds. When responses took 4+ hours due to time zones, frustrated customers filed chargebacks instead of waiting β€” costing the company lost revenue, processor fees, and potential account restrictions.

Manual 24/7 support wasn't financially viable. The solution needed to check refund eligibility based on usage data, provide policy-compliant responses, and create tickets for human review β€” all while responding in seconds to prevent chargebacks.

πŸ’‘Our Solution

We built a production-ready AI support agent that integrates with email, Amplitude analytics, and CRM to provide instant, policy-compliant responses. The agent uses GPT-4 to analyze requests, checks user activity data to determine eligibility, and creates CRM tickets with proposed decisions for human review.

Our backend development team built an admin panel with conversation monitoring, real-time cost tracking, prompt template management, and agent testing. The system handles thousands of conversations daily at $0.02 per conversation while maintaining data security through PII stripping and encryption.

How It Works

01
πŸ“§

Receive Email

Email webhook triggers instant processing

AI agent listens for email webhooks via Gmail API. When a support ticket arrives, it is instantly processed and categorized by type (refund, cancellation, technical) for appropriate handling.

02
πŸ“Š

Check Eligibility

Verify user data from analytics

System fetches user activity data from Amplitude to check refund eligibility based on usage patterns, subscription history, and policy rules. This data-driven approach ensures consistent, fair decisions.

03
πŸ€–

Generate Response

AI creates policy-compliant reply

GPT-4 generates a response following refund policy guidelines, conversation best practices, and successful support case examples. Responses are empathetic, clear, and prevent chargebacks.

04
🎫

Create CRM Ticket

Human review with proposed decision

System creates a ticket in CRM with full conversation history, user data, and proposed decision. Support team reviews and approves before final action, maintaining quality control.

What We Built

πŸ“§ Email Conversations

Admin panel with full conversation history. See every user message and AI response with timestamps and status tracking.

πŸ“ Prompt Templates

Manage different templates for cancellation requests, technical issues, user feedback, and more. Version control included.

πŸ§ͺ Agent Tester

Test and improve different prompts without risking real data. Simulate conversations across all message types.

πŸ“Š Token Usage Dashboard

Monitor LLM token consumption and costs across all API calls. Analyze spending and predict future costs.

πŸ”’ Data Privacy

Sensitive user data is removed before sending to the LLM. PII stripping ensures compliance and security.

πŸ“¨ Gmail Integration

Connect multiple Gmail accounts for support. Manage all inboxes from a single dashboard.

Email Conversations Dashboard

View and manage all AI-handled conversations. See user messages, AI responses, and conversation status in real-time.

Email Conversations Dashboard

Technology Stack

NestJS

NestJS

TypeScript

TypeScript

PostgreSQL

PostgreSQL

Redis

Redis

React

React

OpenAI GPT-4

OpenAI GPT-4

Backend & AI Infrastructure

NestJS backend with TypeScript, OpenAI GPT-4 for response generation, PostgreSQL for data storage, Redis for caching, and BullMQ for job queues. Gmail API integration for email handling, Amplitude for user analytics.

Admin Dashboard

React with TypeScript, Ant Design components, real-time updates via WebSockets, and responsive design for all devices. Token usage monitoring and cost tracking.

The Team

Bohdan

Bohdan

Full-Stack Developer

Backend architecture and AI integration.

Victoria

Victoria

QA Engineer

Testing and quality assurance.

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Services we provided:

FaQ

AI support agent development costs vary based on integration complexity, training data requirements, and automation scope. A basic agent with email integration and refund automation typically ranges from $20,000 to $50,000. Complex systems with CRM integration, multi-channel support, and advanced analytics can range from $50,000 to $120,000+. We offer free consultations to provide accurate estimates based on your support volume and requirements.

Development timelines depend on integration complexity and training data preparation. A basic AI agent with email integration takes 2-3 months, while complex systems with CRM integration, analytics platform connectivity, and multi-channel support typically require 4-6 months. We use agile methodology to deliver a working prototype within the first month, allowing you to test AI responses and refine conversation flows throughout development.

We implement multiple safety layers: policy compliance rules that prevent responses violating your refund or support policies, human-in-the-loop review where complex cases are escalated to your team, response testing across hundreds of scenarios before launch, confidence thresholds that trigger human review for uncertain cases, version-controlled prompt templates for rollback if needed, and continuous monitoring of AI responses with alerts for unusual patterns. Every response follows your approved conversation guidelines.

Operating costs depend on conversation volume and LLM usage. For a fitness app handling thousands of daily conversations, costs typically range from $0.01 to $0.05 per conversation using GPT-4. A system handling 10,000 conversations monthly would cost approximately $100-500 in LLM API fees, plus hosting infrastructure ($50-200/month). Our admin dashboard provides real-time token usage tracking to monitor and optimize spending.

We train your AI agent using your refund/cancellation policies as system prompts, successful support conversation history from your team, edge case examples and how to handle them, escalation rules for different scenarios, and brand voice guidelines and tone preferences. We also provide a prompt template editor in the admin panel, allowing you to update response templates and test them before deployment without any coding.

AI support agent development costs vary based on integration complexity, training data requirements, and automation scope. A basic agent with email integration and refund automation typically ranges from $20,000 to $50,000. Complex systems with CRM integration, multi-channel support, and advanced analytics can range from $50,000 to $120,000+. We offer free consultations to provide accurate estimates based on your support volume and requirements.

Development timelines depend on integration complexity and training data preparation. A basic AI agent with email integration takes 2-3 months, while complex systems with CRM integration, analytics platform connectivity, and multi-channel support typically require 4-6 months. We use agile methodology to deliver a working prototype within the first month, allowing you to test AI responses and refine conversation flows throughout development.

We implement multiple safety layers: policy compliance rules that prevent responses violating your refund or support policies, human-in-the-loop review where complex cases are escalated to your team, response testing across hundreds of scenarios before launch, confidence thresholds that trigger human review for uncertain cases, version-controlled prompt templates for rollback if needed, and continuous monitoring of AI responses with alerts for unusual patterns. Every response follows your approved conversation guidelines.

AI agents can handle refund requests with policy compliance, subscription cancellations with retention attempts, technical troubleshooting for common issues, billing questions and invoice explanations, account management tasks, feature questions and product guidance, complaint resolution with escalation rules, and general FAQs. The agent learns from your successful support cases and follows your exact policies and conversation guidelines.

Yes, we build custom integrations with your existing systems. Our AI agents can connect to email platforms (Gmail, Outlook, custom SMTP), CRM systems (HubSpot, Salesforce, Zendesk, custom systems), analytics platforms (Amplitude, Mixpanel, Google Analytics), payment processors (Stripe, PayPal) for refund automation, and knowledge bases or documentation. All integrations are secured with proper authentication and data encryption.

The AI agent creates a ticket in your CRM for human review when it encounters questions outside its training, complex situations requiring judgment calls, edge cases not covered by policies, requests requiring manager approval, or conversations where the customer explicitly asks for a human. The ticket includes full conversation history and a proposed response recommendation for your team to review and finalize.

Yes, modern LLMs like GPT-4 support 50+ languages. We can configure your AI agent to detect the customer's language automatically and respond in the same language while following your English-language policies. This is particularly useful for businesses serving international customers without hiring multilingual support staff.

We implement comprehensive security: PII stripping that removes sensitive data before sending to LLM, end-to-end encryption for data at rest and in transit, secure API authentication for all integrations, encrypted database storage for conversation history, automated security updates and vulnerability patching, compliance with SOC 2 and GDPR data handling requirements, and regular security audits and penetration testing. Customer data is never used to train public AI models.

AI agents can handle refund requests with policy compliance, subscription cancellations with retention attempts, technical troubleshooting for common issues, billing questions and invoice explanations, account management tasks, feature questions and product guidance, complaint resolution with escalation rules, and general FAQs. The agent learns from your successful support cases and follows your exact policies and conversation guidelines.

Yes, we build custom integrations with your existing systems. Our AI agents can connect to email platforms (Gmail, Outlook, custom SMTP), CRM systems (HubSpot, Salesforce, Zendesk, custom systems), analytics platforms (Amplitude, Mixpanel, Google Analytics), payment processors (Stripe, PayPal) for refund automation, and knowledge bases or documentation. All integrations are secured with proper authentication and data encryption.

The AI agent creates a ticket in your CRM for human review when it encounters questions outside its training, complex situations requiring judgment calls, edge cases not covered by policies, requests requiring manager approval, or conversations where the customer explicitly asks for a human. The ticket includes full conversation history and a proposed response recommendation for your team to review and finalize.
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Oleg Kalyta

Oleg Kalyta

Founder & AI Lead
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