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I will debug rest API errors and fix webhooks issues
Max Robert
About this gig
Are you struggling with REST API errors, broken webhooks, or JSON data issues? I'm here to help you find the problem and get your integration working as expected.
I provide REST API debugging, webhook troubleshooting, and JSON error fixing to help your applications exchange data reliably.
My services include:
- REST API error debugging (400, 401, 403, 404, 422, 500)
- Webhook errors and delivery issues
- JSON formatting and payload validation
- API request, response, header, and parameter issues
- Authentication and authorization troubleshooting
- API testing using Postman or similar tools
- Clear bug reports and practical solutions
What you can expect:
- Careful investigation of your issue
- Clear communication and practical explanations
- Tested fixes within the agreed scope
- A summary of the work completed
How to get started:
Send me your error message, relevant API documentation, and a sample request or webhook payload. I'll review the details and confirm the scope before starting.
Have a complex issue? Please contact me before ordering so we can discuss your requirements.
Let's troubleshoot your REST API or webhook issue together!
Get to know Max Robert
Max Robert
HubSpot CRM Setup, Automation and Marketing Specialist
- FromNigeria
- Member sinceFeb 2026
- Avg. response time3 hours
- Last delivery4 months
Languages
English, Spanish, French, Italian, German
Hi, I’m Max, a HubSpot CRM and automation specialist. I help businesses organize their sales pipelines, automate follow-ups, manage leads, and reduce repetitive tasks. I also build email workflows and connect apps using n8n, Make, Zapier, and APIs. Need help with CRM setup, migration, or integrations? I also work with GoHighLevel, Zoho, and Pipedrive. Let’s build a system that makes your work easier.
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FAQ
Can you fix REST API errors and failed requests?
Yes! I can help troubleshoot REST API errors, failed requests, incorrect headers, authentication issues, and unexpected responses. I'll investigate the cause and work toward a reliable fix based on your API and project requirements.
Can you troubleshoot webhooks that are not working?
Absolutely! I can investigate webhook delivery failures, incorrect payloads, endpoint response errors, and configuration problems. I'll help identify why your webhook isn't working and test the solution where access and tools permit.
Do you fix JSON errors and API response problems?
Yes. I can review JSON syntax, payload structure, missing fields, data types, and API response issues. I'll help identify what's wrong and provide an appropriate correction based on the expected data format.
What do you need to start debugging my API or webhook?
Please share the error message, relevant API documentation, a sample request and response, or a sanitized webhook payload. Explain what you expected to happen and what happened instead. Never share passwords, private API keys, or live access tokens.
Can you fix any REST API or webhook issue?
Every issue is different, but I'll carefully investigate the problem and explain what can be done. Some fixes depend on third-party services, permissions, or access to the relevant code. Please contact me first if your project involves multiple endpoints or complex integrations.
