I will fix wordpress API, squarespace API, wix velo and stripe integration issues


About this gig
Are your website APIs failing, slowing down, or causing customer issues?
I provide professional API troubleshooting and repair services for WIX Velo Code, WordPress API, Squarespace API, Stripe, Firebase, Shopify API, OAuth systems, and Supabase integrations.
From broken webhooks and failed API requests to payment errors and backend bugs, I will diagnose and fix the issue using scalable and secure development practices.
Services Offered
- API bug fixing
- Stripe integration repair
- WIX Velo troubleshooting
- OAuth authentication fixes
- Firebase & Supabase debugging
- Webhook troubleshooting
- WordPress API repair
- Squarespace API integration fixes
Why Work With Me
- Reliable communication
- Fast troubleshooting
- Clean code fixes
- Business-focused solutions
- Secure API practices
Please contact me before ordering to discuss your issue and project requirements.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Rebecca S
Website errors and 404 errors fix
- FromUnited Kingdom
- Member sinceMay 2026
- Avg. response time1 hour
Languages
English, Spanish, German
FAQ
What API problems can you fix?
I can fix payment errors, webhook failures, OAuth authentication issues, broken API calls, and automation problems.
Can you troubleshoot Shopify API integrations?
Yes. I can repair Shopify API errors, app integrations, product syncing, and webhook functionality.
Will you optimize my API performance?
Yes. I improve API speed, workflow stability, and backend efficiency where necessary.
Do you support Firebase and Supabase?
Absolutely. I troubleshoot authentication, database connections, cloud functions, and API integrations.
