Incorrect response from hosting or acquiring

Online Stores & E-commerce, Payment Systems Integration — incorrectly specified categories?

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Good afternoon. The site has acquiring from Monobank.

The logic on the payment site is as follows: The client places an order - is sent to the payment page at Monobank - Upon successful payment, it automatically redirects to the site page (Thank You for Your Purchase page).

However, in about 40-60% of cases during payment, either the server or an error in the site's script, it rechecks the payment and even when the person has successfully paid, it sends them to a page stating that the payment was unsuccessful.

In the admin panel, I can also see that the payment was successful from the client.

Screenshot 1 - successful payment (server logs) Link to photo 1

Screenshot 2 - payment successful, but the client is sent to the Fail page Link to photo 2

It is necessary to fix this chain so that it checks correctly. The site is written on OpenCart.

Update #1 from 6 April

Also, one of the reasons mentioned was that when creating the website, a person took a cracked widget for Monobank payment for OpenCart. And this can be one of the reasons. If it is the case, then I will buy this widget on my side, and you will need to replace it.

Proposals 2 Rejected 9 Discussions 1

Serhii Motchany

148 4

Budget: 700 UAH Deadline: 1 day

Good day.
I have already fixed the problem with this module.
If you have any questions, you can write to me in private messages.

Maksim C.

21 0

Budget: 1000 UAH Deadline: 1 day

Hello. I am ready to fix the acquiring error, 90% sure the problem is in the script on the website. I can start working today, the cost is 1,000 UAH.

Feel free to reach out, I will be happy to help)

Vladislav Bozhenko

5 0

Budget: 700 UAH Deadline: 1 day

Hello! I am interested in your project. I have extensive experience in:

📊 Data processing: working with databases, structuring and analyzing information, automating the processing of large volumes of data, import/export and validation;
🤖 Automation and emulation of user actions, development of bots of varying complexity;
⚡️ Asynchronous and multithreaded parsing: collecting and processing data with performance optimization;
🔍 OCR and text search: recognition and structuring of information;
🖼 Media processing: working with images and multimedia;
🖥 Software development, desktop applications, system services and utilities;
📱 Mobile development: native and cross-platform applications;
🌐 Working with APIs and third-party services: integration, automation and data exchange;
🗣 Translation and text processing: automation of translation, working with language models and text analytics;
🤖 AI/LLM solutions: integration and use of artificial intelligence, working with language models and automating intelligent processes.

I will complete the work quickly and efficiently. Contact me to discuss the details and deadlines of the project!