I have red a lot of posts and Google documents, but am still not clear how to tell an in-app purchase has been refunded. I have red carefully In-App Billing v3 - Don't detect refund and Does Google...

I am implementing in-app billing into an Android game and we want to use a server to store the purchase information. According to what I understood so far, Android Market will return a callback to...

I've followed the training about "In-App Billing v3" of Google. I get to do a buy of a item but I've a problem. https://developer.android.com/training/in-app-billing/index.html I've canceled and ...

Yes, SO, I know, it's not a "programmer's" question:) But customers sometimes help us (devs) with our code, so we (devs) shold be grateful. I think answer to my question will be useful for all fell...

We are developing a website for a charity trust in India. For this we need to add a "donate" button to the website for anyone who wants to donate to the charity through a payment gateway. However,...

Ok, my site has 3 check out options - our credit cards processing , PayPal , and Google Checkout, I handle the first two by processing the request then redirecting the user to a Receipt page to dis...

Are there any payment APIs for Grails? I'm looking for something that will abstract receiving of payments for my website. Primarily, I'm looking to hit Paypal and Google Checkout - as far as I kno...

My business is setting up online billing using PayPal and Google checkout. I'm looking for the best way to charge a recurring monthly service fee for my website. My site is subscription based and I...

Possible Duplicate: How integrate Paypal in android Application? does android supports In-App payment through PayPal or we need to go with Google Checkout. Can anyone please help me w...

PREAMBLE: this question is wildly obsolete. There's no more Google Checkout and no more API. Android Market uses Google Checkout for paid app sales. Google Checkout has a fairly extensive API. The...

When people buy apps on Android Market, Google does not, by default, disclose their e-mail addresses to the seller; instead, the seller gets a masked address along the lines of [email protecte...

I am going to integrate payment feature in my site. My requirement is something like Elance escrow. Like User can pay to me using their online payment account. I can hold their amount in my...

When I get the notifications from google at the callback URL I am unable to correlate the messages to the correct order in the database. Can I pass some identifier that would be sent back to me as ...

We would like to allow our users to activate a service on one of our servers with each app purchased from the Android Market, verifying that the user has really purchased the app. For this purpose...

Are there any tutorials out there on how to get the responses back from a Google Checkout transaction when using C# and the GCheckout API. All of the examples I could find were for previous v...

Via the XML API, how do you associate an Google Checkout callback serial number with the original order? On the same line - What does the serial number in the "Option B - Submit a Server-to-Serve...

We're building a web app that customers can pay a monthly rate for. Here are the requirements: We want to charge customers monthly fees to access the service We have several different plans Each ...

I have a fairly simple ASP.Net site that uses google checkout (I have an imagebutton with the PostBackUrl set to the Google address passing values of hidden fields) which works fine. I've been mo...

It would be very useful to have feedback on the various API and services that let you bill the customers, so it's possible to compare : Security; Quality of API; Commercial reliability; Number of...