I am trying to create a subscription feature on my site. The users can subscribe to a number of projects (from 1 to 30). The price of a projet: 10$.
For subscribing I use a the Subscription button. I validate the payment using the IPN from paypal. All ok.
Now I want to give to users the possibility to change the number of projects they are subscribed for. But the paypal doesn't allow an increasing of payment more than 20%.
How can I change the user's subscription ? Should I remove his profile (not sure if I understant what it is) and create a new one ?
As you saw in the documentation, PayPal Subscriptions product doesn't seem like a good match for your requirements. You could have someone re-subscribe with new (higher) premium, but you probably would be better off with a product that allowed you to simply change the recurring amount billed.
PayPal has several other products that allow you to do that; hopefully one will meet your needs. In particular look at Recurring Payments & Reference Transactions (within PayPal's classic product suite) or Future Payments (within PayPal's RESTful API suite).
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I want to implement a pay as you go with Paypal, as I read the subscriptions API we need to create a plan and product, and as I understand it, it works based on the regular payments which obviously we don't want that we want if the user's budget is below a certain amount we recharge the user by a fixed amount again, can anybody guide me how to approach and implement pay as go using Paypal?
You are correct, subscriptions bill on a regular schedule whereas what you are describing is the ability to bill an arbitrary amount at any time.
That feature is called "reference transactions", or sometimes "billing agreements". It is not enabled for PayPal business accounts by default. To request the feature, the owner of the PayPal account should contact PayPal's general business support (note: not technical support) and explain the business need for this reference transactions feature.
If it's approved for the account, PayPal can then guide you on which API integration to use; potentially something like the newest v2/vault.
We use PayPal classic APIs.
We have a Linux server with some application/database running on it.
Users pay pages for ocr processing.
We need to offer to our users an option to make automatic payments when some condition is occured.
For example: when the user have left only 100 available pages.
In this case we want to offer to user something as "pay with PayPal 1000 pages everytime when my account have less than 100 pages".
Is this possible to do it with PayPal API?
Asolutely, this is simple to accomplish. If you prefer the Express Checkout API suite, the Reference Transactions product allows you to collect permission to re-bill your customers for additional goods and services when they check out. Then you call the reference transaction API when the event you are interested in (such as the user's inventory of prepaid pages gets low) occurs.
See:
https://developer.paypal.com/docs/classic/express-checkout/integration-guide/ECReferenceTxns/
Other PayPal products support similar behavior in combination with Adaptive Payments, the RESTful APIs, etc etc.
I'm going to offer my customers a selection of subscriptions to digital content. I want the customer to be able to add or delete subscriptions later, with as little hassle as possible.
It seems that if I use Paypal vault, I can collect the card information on the same subscriptions screen without multiple redirects and later change the monthly total without another checkout process or even customer sending approval to Paypal!
Does Paypal allow this? It seems too easy and also too permissive. Also, do I need to worry about PCI compliance?
Does anyone know a better way to do this (with or without Paypal)? I don't know how to use paypal recurring payments without a lengthy checkout if they ever change their subscriptions. Google wallet does not have subscription cancellation in their API! Several other alternatives only allow preset subscription amounts.
The CSC/CVV is missing from the examples here: https://developer.paypal.com/docs/integration/direct/store-a-credit-card/ which makes me think you cannot use the card at will. The customer is probably going to be asked for authorisation.
Normally your online payment provider needs to support recurring payments (installments, subscriptions). PayPal does, there's a specific API:
https://developer.paypal.com/docs/classic/paypal-payments-standard/integration-guide/installment_buttons/
For the customer it's one-off, then the card is billed, say, monthly.
I am wondering is this even possible or is there a simple way to do this. I am building a file-sharing site like Droplr or CloudApp and by fun chance unlike those two sites I do not offer fixed pricing, instead I offer pay-per-use billing on the amount of storage the customer uses up. But there is a small yearly fee for plans.
So lets say customer selects Tier 1 - Basic Plan. The plan allows for 5GB max file size, $5/yr fee and $1.00/gb
How would I go about charging the customer for this? Sure the first $5/yr can processed fairly easy and added to PayPal subscription and recurring payments, but should there be 2nd subscription for the storage?
I would recommend taking a look at the Adaptive Payments API, specifically Preapproval and Pay.
That will allow people to setup preapproved payments with you based on criteria set when the profile is created. Then you can charge them at any time with variable amounts as long as they fall within the profile's criteria.
Another option would be to utilize Reference Transactions (DoReferenceTransaction) after running an original Auth or Sale through Express Checkout or Payments Pro.
I am trying to use the Recurring payment API offered by PayPal.
I have a scenario which I am not able to address directly. It goes like this.
We have a website where we sell some services. Now the services are charged per user license. A user can buy/cancel user license in between. We want to offer the customer a recurring billing option. We have to notice here that the amount may vary each billing cycle based on the number of user licenses the customer uses during that cycle.
Is there any way I can achieve this using PayPal recurring Payment API's.
I realize this is a very old post, but it still shows up for Google searches, so I thought I'd add:
Paypal does allow you to do this now, using their new adaptive payments api.
Authorize.net also has a service that might work called Customer Information Manager.
The recurring payment option is a fixed amount that the customer pre-agrees to pay each month (or period). To do what you're trying to do, a customer would have to pre-agree to pay whatever amount you decide to charge at a later time. This means pre-authorizing an unknown payment amount, which will not be allowed by any payment service.
Your only options are:
Bill the variable amount each month (i.e. no subscription).
Set up a subscription where the monthly amount is the maximum that could potentially be billed, and then refund the difference each month.
Good luck with #2 - I would never agree to such a thing as a customer, personally.
What you're looking for is covered in the UK by the Direct Debit system, however given the potential for abuse it's very tightly controlled and there are a lot of restrictions and regulations governing it.
I'd strongly suggest you just set up a monthly invoicing system that just bills the client each month.
I don't know its meaning full or not as it is a very old post.
Instead of creating recurring profile on PayPal Server, You can store the customer's credit card on the PayPal using REST API: https://developer.paypal.com/docs/api/#vault then every month you can fetch it and charge it like recurring Payment Or When client is no longer with the services then just remove its card from PayPal.
I suppose Authorize.net SIM method also does the same.
Hope this make sense.