实施类似 Groupon 的系统有哪些选项？
我喜欢构建一个允许用户“承诺购买”交易的系统，但只有在达到最低提交者数量后才会收费。 “交易”持续的时间范围可以是每周或每月。
我喜欢尽可能避免从头开始构建一个。
我知道 StackOverflow 上有另一个线程要求 paypal、amazon 或 google checkout API 来实现此目的，但这看起来太像黑客了？
我读了一些关于使用像 Authorize.net 这样的网关来处理信用卡信息的文章，它们可以存储用户信息并提供像按需付费这样的服务。使用他们的 API 会是更好的选择吗？他们的即用即付方式可以提供我正在寻找的系统吗？
I like to build a system that will allow users to "commit buy" a deal, but will only be charged after a minimum # of committers are reached. The time span in which the "deal" will continue can be either weekly or monthly.
I like to stay away from building one from the ground up as much as possible.
I know there's another thread on StackOverflow that asked paypal, amazon, or google checkout API to serve this purpose, but this seems too much like a hack?
I did some reading on using a gateway like Authorize.net to process credit card information and they can store the user information and has a service like pay-as-you-go. Would using their API be a better choice? Can their pay-as-you-go method provide the system that I'm looking for?
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我已经使用 Authorize.net 进行定期付款，如果您能熟练使用网络服务（无论语言如何），那么实施起来很容易。您可以与它们集成，而无需用户离开您的网站，也无需存储用户的信用卡信息。
但是，您将收到用户的信用卡号来实施此类模型，并且仍然需要采取预防措施（而不是重定向到安全的第三方站点来接收该号码）。
改进您的问题，使其更加具体，以获得更具体的答案。
I have used Authorize.net for recurring payments and it is easy to implement if you are fluent in working with a web service (regardless of language). You can integrate with them without the user needing to leave your website and without storing the user's credit card information.
However, you will be receiving the user's credit card number to implement such a model, and there are still precautions to be taken (versus redirecting to a secure third party site to receive the number).
Refine your question to be more specific to receive more specific answers.