I will fix debug and optimize your n8n workflow errors, webhook and API issues


About this gig
Is your n8n workflow failing, stuck, or not working as expected?
I will fix, debug, troubleshoot, and optimize your n8n workflow so your automation can run correctly and reliably.
Whether you're dealing with failed executions, API errors, webhook problems, incorrect data mapping, broken expressions, authentication issues, or workflow logic errors, I can diagnose the problem and implement the right fix.
I can help with:
- n8n workflow errors and failed executions
- Webhook and API troubleshooting
- HTTP Request and authentication issues
- JavaScript/code and expression errors
- Data mapping and JSON problems
- Google Sheets, Airtable, CRM and database workflows
- Conditional logic and workflow optimization
- AI/OpenAI workflow issues
- Shopify, WhatsApp, Telegram and other integrations
What you get:
- Proper troubleshooting and diagnosis
- Clean and reliable fixes
- Workflow testing after the fix
- Optimization where needed
- Clear communication throughout the process
Whether you have one broken node or a more complex automation, send me your workflow and the error you're experiencing, and I'll help get it working again.
Don't rebuild your automation from scratch. Let me fix it.
Get to know JOSHUA.A
n8n Automation and AI Workflows
- FromUnited Kingdom
- Member sinceAug 2026
Languages
German, Italian, English
My Portfolio
Other Software Development Services I Offer
FAQ
Can you fix my existing n8n workflow?
Yes. I can troubleshoot and fix failed nodes, workflow errors, incorrect logic, API issues, webhooks, expressions, and data-mapping problems.
Can you fix n8n API and webhook errors?
Yes. I can troubleshoot API requests, authentication, webhook triggers, responses, JSON data, and related integration issues.
Can you fix AI-powered n8n workflows?
Yes. I can troubleshoot workflows using AI models such as OpenAI, Claude, and Gemini.
Can you optimize an n8n workflow that already works?
Yes. I can review your workflow and improve its logic, efficiency, reliability, and overall structure.
What do you need to start?
I'll need your workflow details or workflow JSON, a description of the issue, and any relevant error message or execution information.

