Questions tagged [payment]
The payment tag has no summary.
38 questions
1 vote
1 answer
102 views
What type of authentication/identification is needed?
The specs: Mobile apps LLM wrapper (of e.g. OpenAI API) The chat history will be stored on the client Backend is needed to manage the api key and to track token consumption / payment (how many tokens ...
- 391
0 votes
1 answer
249 views
Need help to design payment subscription - Custom logic for the recurring payment or Stripe Subscription
I am developing a SaaS platform with a membership management system as a part of the bigger system. Tenants are allowed to perform CRUD operations on Plans, which has price and the length of the ...
- 11
1 vote
3 answers
719 views
How is double-spending technically prevented in traditional banking? [closed]
In contrast to bitcoin: How is double-spending technically prevented in traditional banking? Do database transactions have to conform to the ACID property in order to prevent double-spending?
- 129
0 votes
1 answer
208 views
Javascript and payment security
I'm using a third party CRM application which allows you to build web forms using drag and drop widgets and the ability to add javascript code to manipulate those widgets. I need to build a form to ...
- 311
8 votes
3 answers
599 views
How to deal with abandoned idempotent operations?
I have implemented idempotent order placement (mostly to avoid accidental double submissions) but I am not sure how to handle incomplete operations. Example scenario: User tries to place an order. An ...
- 407
0 votes
1 answer
131 views
Should a payment success or error page expire?
When payment is made, it either succeeds or fails for whatever reason. In this case, though not important, the payment is made on a third party payment website, like Paypal, and a callback url is ...
- 113
9 votes
3 answers
2k views
How to handle database errors after a successful 3rd party payments API response?
The specific scenario in my case involves PayPal but it could easily be any other external system. According to a lot of sources on the Internet, including the official documentation, a basic PayPal ...
- 407
-2 votes
1 answer
98 views
What should be the correct architecture in an e-commerce module
I'm new in development & just developing an e-commerce platform. I'm just confuse about the flow of payment. Suppose I have a checkout page where after logged in user has to press the payment ...
- 97