I will build ai calling agent, ai voice agent using n8n, zapier automation, vapi ai


About this gig
Stop wasting time on manual tasks lets create an intelligent solution that works for you 24/7.
I specialize in developing custom AI agents and building powerful automation workflows that help you save time, reduce errors, and scale your operations with ease.
My Core Services Include:
- Custom AI Agent Development: I create intelligent chatbots and voice agents using platforms like Vapi AI and deploy them on services such as Replit.
- Advanced Workflow Automation: I connect your favorite apps (Google Suite, Slack, CRMs, etc.) into seamless automated workflows using n8n and Make.com.
- Complex API Integration: I build custom API integration to make sure every part of your system is fully automated, nothing gets left out.
What I do:
- Build n8n workflow from scratch
- Link Zapier automation or Make.com
- Add AI calling agent to start flows
- Auto-update CRM, Sheet, Slack
- Fix errors with retry loops
- Give you full control (self-host n8n)
Why pick me?
- Fast 13-day build
- No lock-in you own it
- Works with 100+ apps
- Clear video walk-through
Send your idea. I start now, and you get to launch your n8n automation + AI agent in just 35 days!
Get to know Rejoice T
- FromGermany
- Member sinceDec 2025
- Avg. response time1 hour
Languages
English, German
Other Software Development Services I Offer
FAQ
What types of automation workflows can you build?
I can automate a wide range of business processes, including lead generation, CRM updates, order processing, data syncing between apps, notifications, task management, and more. Whether it's a simple two-step automation or a complex, multi-branch workflow.
Can you integrate apps that aren’t officially supported?
Yes! Using webhooks, HTTP modules, and custom API calls, I can connect apps that aren’t natively supported by Make or Zapier, as long as they provide an API or webhook access.
Can you help me decide which platform to use?
Definitely. If you're unsure whether Make, Zapier, or n8n is best for your use case, I’ll evaluate your workflow needs and recommend the right tool based on complexity, scalability, and cost-effectiveness.
Do you handle complex logic (conditions, branches)?
Yes, I build workflows with filters, paths, loops, and error handling.
Do I need to give you full access to my apps?
Depending on the workflow, you may need to invite me to your automation platform workspace or securely share limited credentials (API keys, test logins, etc.). I’ll always advise on the most secure and privacy-respecting way to proceed.
Will I be able to maintain or update the workflow after delivery?
Yes. I build solutions that are clean, well-documented, and easy to manage. I also offer video walkthroughs or live training if you or your team need a better understanding of how everything works.
I already have an automation that’s not working correctly. Can you help?
Absolutely. I offer troubleshooting and optimization services for existing workflows — whether they’re slow, error-prone, or not behaving as expected. I’ll identify the root cause and improve performance and reliability.
What if something breaks later?
Workflows include logging and alerts. I offer optional support if needed.
What tools do you use?
Make (Integromat), Zapier, n8n, plus custom API/webhook integrations.

