The only way to do it without the agreement of the card processors would be
that the merchant collects the extra money and sends the donation. If I buy
my £9.95 flatscreen TV from Argos and round it up to £10, Argos will charge
my card £10 (which won't cost them any more than £9.95 would have) and at
the end of the month total up all the 5p and 1p payments into a single
cheque.

If the card processor has to separately charge it, the transaction costs
would be many times larger than the donation. Even if the processor (e.g.
Worldpay) wanted to cooperate and not charge a transaction fee, they would
have to get all the banks to go along with it.

Doing it via the merchant seems plausible though, as long as there is no
problem with them temporarily holding money on behalf of the charity.

    Leigh.

On 4 February 2012 12:13, William Phipps <[email protected]> wrote:

> The idea would be to add the donation on top of the amount paid, which
> then gets processed by the processor -- a snippet of code could track
> donation activity on each site and then they would send a cheque to the
> selected charity every month/quarter.
>
> My technical knowledge is too limited to know whether we would need any
> agreement with the payment gateway or all of the integration could just be
> a simple snippet of code on the merchant site....either way, I think
> there'd be a fairly simple way round it, but I don't know, i'm not a
> programmer.
>
> Cheers,
> Will
>
>
> On Sat, Feb 4, 2012 at 11:07 AM, Colm Howard-Lloyd 
> <[email protected]>wrote:
>
>> How would this donation reach the charity without a payment processor?  I
>> understand the theory of micro-donation - it's widely done - but perhaps
>> I'm. Issuing what you're proposing.
>>
>> I'm a trustee of a charity, and one of our major fundraising concerns is
>> reducing or eliminating transaction charges for online donations. So this
>> idea would be most welcome!
>>
>> On 4 Feb 2012, at 09:38, William Phipps <[email protected]> wrote:
>>
>> Colm -
>>
>> I don't think we need involve the likes of worldpay, sagepay etc..
>>
>> I see this working before the interaction with the payment gateway - on
>> the same page as where one might enter a promo or discount code.
>>
>> thanks for the links, i'll check 'em out! :)
>>
>>
>> On Fri, Feb 3, 2012 at 5:10 PM, Colm Howard-Lloyd 
>> <[email protected]>wrote:
>>
>>> Anything that would make this available to all retailers would be
>>> great.  I think the challenge will be to get the payment processors onboard
>>> with it.
>>>
>>> See also
>>> http://www.pennies.org.uk/how-to-join-in/
>>>
>>> http://www.guardian.co.uk/voluntary-sector-network/2011/sep/06/micro-donations-charity-fundraising
>>> On Feb 3, 2012 5:04 PM, "William Phipps" <[email protected]> wrote:
>>>
>>>> Hi folks,
>>>>
>>>> I have a concept for a non profit idea and wondered if anyone might be
>>>> interested in helping on the programming side.
>>>>
>>>> Here it is:
>>>>
>>>> So, the idea is to provide some embed code that can plug in to all the
>>>> shopping cart systems, like Shopify, OScommerce, Magento, Uber cart, Zen
>>>> cart etc.
>>>>
>>>> At check out, the customer is then asked if they'd like to make a
>>>> donation to a charity, this can either be chosen by the ecommerce site, or
>>>> the customer. I see it working on orders for, like £9.95 - they may be
>>>> asked if they'd like to round the order value up to £10 and donate 5p to a
>>>> charity.
>>>>
>>>> I know www.curebit.com has code that can be embedded into these cart
>>>> systems (for a very different idea) - but it shows it's possible.
>>>>
>>>> Any thoughts on this? Would you like to get involved? Maybe we could
>>>> help raise some money for some good causes!
>>>>
>>>> Cheers..
>>>>
>>>> Will
>>>>
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-- 
Leigh Caldwell  (t) +44 20 7064 6556  (m) +44 7747 062906
Chief executive, Inon Pricing Advisors http://www.inon.com/
Blogs: http://www.knowingandmaking.com/ http://www.pricingrevolution.com/
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