I will fix n8n automation bugs repair broken n8n workflow debug API oauth webhook error


About this gig
Is your n8n workflow broken, failing, or not running as expected?
I will debug and fix your n8n automation bugs, broken workflows, API integration errors, OAuth authentication issues, and webhook problems so your existing automation can work as intended.
If your n8n workflow is stuck, a node is failing, an API request returns an error or a webhook is not triggering, I repair everything fast.
Common n8n Errors I Fix:
- Webhook & Trigger Failures: Webhooks not firing, missing signatures, or timing out under heavy loads.
- OAuth 2.0 & API Authentication: Token expiration loops, 401 Unauthorized errors, and 24-hour re-invalidation issues.
- Execution & Performance Bugs: 504 Gateway Timeouts, HTTP Request node 30s timeouts, or self-hosted Redis queue saturation.
- Data & Mapping Errors: Resolving "Cannot read property of undefined" expressions and fixing broken workflows caused by upstream JSON payload changes.
- Custom Code Debugging: Fixing JavaScript (Code node) or Python logic syntax bugs inside your automation.
Why Choose This Service?
- Defensive Workflow Design.
- Deep Self-Hosted Expertise: Proficient in Docker, PM2, PostgreSQL/SQLite databases, and queue scaling for n8n.
- Fast Turnaround
Get to know Timmy
I build, debug, fix and migrate Zapier, Make, N8N automation systems perfectly
- FromUnited States
- Member sinceMay 2026
- Avg. response time1 hour
Languages
English
FAQ
Can you fix an existing broken n8n workflow?
Yes. I can investigate and repair an existing workflow with failed nodes, incorrect logic, API errors, webhook problems, or data mapping issues. The exact scope depends on the complexity of the problem.
Can you fix n8n API and HTTP Request errors?
Yes. I can troubleshoot request methods, headers, parameters, payloads, response handling, and authentication configuration, subject to the API documentation and access available.
Can you troubleshoot OAuth and credential errors?
Yes. I can investigate credential configuration, token-related failures, callback settings, and permission issues. Some problems may require action from the account owner or third-party provider.
Can you fix a webhook that is not triggering?
Yes. I can investigate webhook configuration, test versus production URLs, HTTP methods, incoming payloads, and related workflow execution issues.
Do you build a completely new workflow?
This gig primarily focuses on fixing and debugging existing n8n workflows. A new workflow or major rebuild can be discussed separately before ordering.
What do you need to get started?
Please share the exact error message, a screenshot or relevant execution details, the expected behavior, and a workflow export with credentials removed. Include relevant API documentation or sanitized sample data when applicable.
