You will get a reliable n8n workflow that connects your apps and APIs
Project details
I build reliable n8n workflows that connect the tools your business already uses, so repetitive work can run automatically instead of being handled manually every day.
This project is best for a clearly scoped automation such as lead capture, form-to-Google-Sheets flows, CRM updates, API or webhook integrations, scheduled reports, internal notifications, simple database updates, or an AI-assisted step using tools like OpenAI or Claude.
Before building, I review your process, the apps involved, the required access, sample data, and the expected output. Then I create the workflow in n8n, test the main path, and provide clear handoff notes so you understand what was built and how to use it.
I can work with APIs, webhooks, Google Sheets, CRM tools, WhatsApp/chatbot workflows when your account access is ready, SQL Server, Supabase, and other business systems.
This service does not include third-party platform fees, paid API usage, full app development, or complex enterprise architecture unless we agree on that scope first.
This project is best for a clearly scoped automation such as lead capture, form-to-Google-Sheets flows, CRM updates, API or webhook integrations, scheduled reports, internal notifications, simple database updates, or an AI-assisted step using tools like OpenAI or Claude.
Before building, I review your process, the apps involved, the required access, sample data, and the expected output. Then I create the workflow in n8n, test the main path, and provide clear handoff notes so you understand what was built and how to use it.
I can work with APIs, webhooks, Google Sheets, CRM tools, WhatsApp/chatbot workflows when your account access is ready, SQL Server, Supabase, and other business systems.
This service does not include third-party platform fees, paid API usage, full app development, or complex enterprise architecture unless we agree on that scope first.
Programming Languages
JavaScriptWhat's included
| Service Tiers |
Starter
$90
|
Standard
$180
|
Advanced
$350
|
|---|---|---|---|
| Delivery Time | 2 days | 5 days | 7 days |
Number of Revisions | 1 | 2 | 2 |
Number of Pages | 1 | 2 | 3 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Frequently asked questions
About David
n8n Automation Developer | AI Workflows, APIs, CRM & WhatsApp
Cartago, Costa Rica - 9:09 pm local time
I am a Senior Full Stack Developer with 19+ years of experience in .NET, C#, SQL Server, CRM platforms, webhooks, API integrations, omnichannel systems, and business process automation. My focus is practical automation: workflows that reduce manual work, connect tools, capture leads, improve customer service, and make business processes easier to manage.
I can help with:
- n8n workflow automation
- API and webhook integrations
- CRM, lead capture, and sales process automation
- WhatsApp Business and chatbot workflows
- Google Sheets, Google Calendar, Supabase, SQL Server, and database integrations
- AI-assisted processes using OpenAI, Claude, and structured prompts
My background in enterprise systems, CRM, SQL Server, SSIS, and omnichannel messaging helps me build automations that are not only functional, but maintainable and clear for non-technical teams.
If you need a small automation, a first MVP, or ongoing support for business workflows, I can help you define the scope, build the solution, test it, and document how to use it.
Steps for completing your project
After purchasing the project, send requirements so David can start the project.
Delivery time starts when David receives requirements from you.
David works on your project following the steps below.
Revisions may occur after the delivery date.
Confirm scope and access
I review your process, inputs, connected apps, credentials, limits, and expected output before building.
Build and test workflow
I create the n8n workflow, connect APIs/webhooks or apps, configure logic, and run test cases.