eCommerce Checkout & Subscription Management Script

eCommerce Checkout & Subscription Management Script (PayPal and [url removed, login to view] API)

Features needed:

* PHP e-mail function that uses templates

* MySQL database

* communication with [url removed, login to view] API (see resources)

* communication with PayPal subscription/IPN (see resources)

* secure SSL connection (goal: user sees lock symbol in browser)

* simple AJAX (check payment information "live" and before form submission via API)

* create user download areas that are protected with unique usernames & passwords

* in the download area: visually gray out portions of the download descriptions links (= those that will be activated in the next months)

* "cloak" the download links in a way that (1) the real location of the files is not revealed to user or browser and (2) only the logged in user can download the files

* watch how often files are downloaded; if too often, monitor downloading IPs and check their geolocation via [url removed, login to view] (I already have a parser script for that); if too many different locations notify admin about possible abuse


* checkout process for a 5-month download subscription

* payment types: paypal, credit card (API), bank debit (API)

* download area for user, secured by individual usernames and passwords

* offer download links for logged in user while hiding the true location of the files

* monitor payment status via API or via PayPal IPN (depending on how the user subscribed)

* block download links if a chargeback or abuse occurs

* unsubscribe user if payment stops or user unsubscribes

* offer a simple admin interface for subscription management


(see details)

How I select the Coder:

1. trust in skills

2. personal trust

3. price

4. language

I have to ignore replies that are generic or sound generic.


1. [url removed, login to view] API Guide, esp. Debit API, CreditCard API and Securepin API:

[url removed, login to view] (look for british flags or use Google translator; if you are selected you'll get everything translated that you need)

2. PayPal Instant Payment Notification Guide:

[url removed, login to view]

3. PayPal Website Payments Standard Integration Guide (section on subscription buttons):

[url removed, login to view]

4. Project description:

[url removed, login to view]


Update to the project description PDF:

In addition to "ending the subscription" I probably also need a function to "pause a subscription". When the script detects supsicious activity a user might be blocked. If he is blocked, he can't download anything anymore. In this case, the script needs to stop billing him. However, he might talk to me, and maybe he really didn't abuse the system. In this case, I want to be able to resume his subscription. It should then continue at exactly the point where it stopped: Imagine the term started on the 1st and he got blocked on the 15th. We might then send emails back and forth for five days, until finally on the 20th the admin decides that the customer is trustworthy and he resumes the subscription. In this case, the script should act as if it was the 15th again. In other words: All future dates (term ends/payment dates) must be shifted by as many days as the pause period lasted. If the pause period lasted 5 days, like in the example, all future dates must be shifted +5.

You'll probably find a way to do this quite easily. Maybe you could simply add a "pause_shift" counter to the database, that counts the duration of all pauses in days and is added in all calculation of future days?

Taidot: AJAX, PHP, Ostoskärryt, Verkkoturva

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Tietoa työnantajasta:
( 33 arvostelua ) Leipzig, Germany

Projektin tunnus: #472672

Myönnetty käyttäjälle:


Hello. Please see PMB. Thank you.

$1200 USD 23 päivässä
(72 Arvostelua)

13 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön


I am ready to do this for you

$1500 USD 12 päivässä
(216 arvostelua)

We'd like to help you with this. See our skills at: [url removed, login to view]

$1400 USD 25 päivässä
(35 arvostelua)

we offer quality solution,time base completion with support. ********* Check PM ******** Best Regard

$1200 USD 25 päivässä
(122 arvostelua)

I am an expert in paypal/subscription-based websites. Check PM. Regards Babu

$1200 USD 30 päivässä
(36 arvostelua)

We possess extensive experience of developing numerous high-end websites and are highly organized and adept at meeting tight deadlines that are so common in this industry. Please find below our Design Portfolio: h Lisää

$850 USD 30 päivässä
(6 arvostelua)

Hi I have gone over your [url removed, login to view] Read My PMB for vital information regarding the bid

$850 USD 18 päivässä
(10 arvostelua)

hi,hope we [url removed, login to view] check pm. best regards devajas

$750 USD 20 päivässä
(8 arvostelua)

Expert in php5, mysql, ajax and drupal [url removed, login to view] [url removed, login to view] [url removed, login to view] [url removed, login to view] [url removed, login to view] ........more

$800 USD 30 päivässä
(0 arvostelua)

hello, please check pmb, thank you.

$750 USD 10 päivässä
(0 arvostelua)

We are Expert in Ecomerece & all employs in our company treated there work as there own work. Our company is indian company which means to work with love.

$1000 USD 20 päivässä
(0 arvostelua)

Hello, Aayan Communication is a team of Professional in the field of IT, web development, Creative Directors, Art Directors, Copy Writers, Graphic Designers & SEO Gurus etc. we are do this kind of jobs easily, Our 1st Lisää

$1100 USD 21 päivässä
(0 arvostelua)

Please read the PM.

$750 USD 10 päivässä
(0 arvostelua)