I will integrate shopify payment gateway fix checkout API and webhooks

O
oluwapelumi743
O
oluwapelumi743
Oluwa

About this gig

Is your Shopify payment gateway not working properly? Do you need help integrating Klarna, iDEAL, Przelewy24 (P24), or another supported payment provider into your Shopify store?

I will help you configure supported payment gateways, troubleshoot checkout problems, and set up compatible API and webhook integrations to improve your store's payment workflow.

My goal is to help you identify payment issues, configure the required settings, and test the agreed functionality so your customers can complete their purchases more smoothly.


My Shopify Payment Integration Services

  • Shopify payment gateway installation and configuration
  • Klarna, iDEAL, and Przelewy24 (P24) setup where supported
  • Third-party payment provider integration
  • Shopify checkout troubleshooting and error diagnosis
  • Payment API integration and configuration
  • Webhook setup and troubleshooting
  • Payment status and order synchronization
  • Payhip or Whop integration assessment for supported workflows
  • Payment transaction testing using approved test environments


Why Choose My Service?

I focus on careful configuration, structured troubleshooting, clear communication, and testing within the agreed scope. 

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Get to know Oluwa

Oluwa

App testing

  • FromItaly
  • Member sinceOct 2026
  • Avg. response time1 hour
  • Languages

    English, Italian, French
Need a reliable tester to check your mobile app or website before launch? I will manually test your application to help identify bugs, functionality issues, navigation problems, and usability concerns. Whether you are launching a new mobile application, updating an existing app, or improving your website, I can help you review important user flows and document issues that need attention.