I will fix n8n oauth credentials and automate google sheets API webhooks CRM

G
georgethoe
G
georgethoe
Thomas
fix n8n oauth credentials and automate google sheets API webhooks CRM
fix n8n oauth credentials and automate google sheets API webhooks CRM
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fix n8n oauth credentials and automate google sheets API webhooks CRMfix n8n oauth credentials and automate google sheets API webhooks CRMfix n8n oauth credentials and automate google sheets API webhooks CRMfix n8n oauth credentials and automate google sheets API webhooks CRM

About this gig

Is your n8n workflow failing because of OAuth errors, broken credentials, Google Sheets authentication, API issues, or webhooks that are not triggering correctly?


These problems can stop your entire automation and cause leads, customer data, or important updates to never reach your CRM.


I will fix n8n OAuth credentials, troubleshoot integrations, and automate Google Sheets, APIs, webhooks, and CRM workflows based on your business process.


I can help with:


n8n OAuth and OAuth2 setup

Invalid or expired credentials

Google Sheets n8n automation

Google API authentication

API integration and troubleshooting

Webhook setup and debugging

CRM workflow automation

HTTP Request node configuration

REST API connections

Lead and contact synchronization

Data mapping and transformation

Failed workflow troubleshooting

Trigger and execution errors

Custom n8n workflow setup


Whether your existing automation is broken or you need a new integration, I will identify the issue, configure the required connections, and test the workflow.


Message me with your n8n error or workflow requirements before ordering.

  • AI Model Frameworks & Tools

    • LangChain
    • AutoGPT / Agent GPT
    • Baby AGI
    • CrewAI
    • Retell AI
    • Vapi AI
    • n8n
    • OpenAI ChatGPT
    • Anthropic Claude
    • Google Gemini
    • Mistral
    • Meta Llama
    • Cohere
    • OpenRouter
    • xAI Grok
    • Perplexity

  • Platform

    • Custom
    • Facebook Messenger
    • monday.com CRM
    • n8n
    • Shopify
    • Slack
    • SMS/Text Messaging
    • Telegram
    • WhatsApp

  • Type

    • Email automation
    • Lead generation
    • Task automation
    • Sales & Lead Generation
    • CRM & Internal Workflows

  • Automation Integration Points

    • Website
    • Mobile app
    • Google Sheets
    • Trello
    • Slack
    • Email
    • Airtable
    • Asana
    • Monday.com
    • Shopify
    • Salesforce
    • Mailchimp
    • Social Media
    • Hubspot
    • TypeForm
    • JotForm

  • Programming Language

    • Python
    • HTML & CSS
    • C&C++

Get to know Thomas

Thomas

n8n Expert or OAuth, Google Sheets, API and Webhook Automation

  • FromUnited Kingdom
  • Member sinceSep 2026
  • Avg. response time1 hour

  • Languages

    English, Spanish, French, German, Italian
Hi, I’m an n8n automation specialist helping businesses fix broken workflows and build reliable integrations. I specialize in n8n OAuth credentials, OAuth2 authentication, API errors, Google Sheets automation, webhooks, CRM integration, HTTP Request nodes, API connections, and workflow troubleshooting. I can diagnose credential issues, repair failed integrations, connect Google Sheets and CRM systems, and build secure n8n API workflows that run smoothly.

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