Main Fields
Text | Text | Text | Text |
Row optionscmd | This should always be set to '_pos'. | Yes | N/A |
Row optionsreset | This tells the server to delete any cached button data for the user. Set the value to 1 | Yes | 1 |
Row optionsmerchant | Your merchant ID (you can find this on the My Account page). | Yes | N/A |
Item/Payment Description Fields
Text | Text | Text | Text |
Row optionscurrency | The currency of the payment (BTC, ETH and etc). Values supported: Any crypto or fiat currency on the Supported Coins page. Note we in no way process any fiat currencies, they are simply convenience values so you don't have to convert to BTC or another coin yourself. | Yes | 5 |
Row optionsamountf | The amount (in the currency chosen) of the payment. | Yes | N/A |
Optional/Informational Fields
Text | Text | Text | Text |
Row optionsallow_amount | 1 = Allow buyer to adjust item price. (default) 0 = Don't allow buyer to adjust item price. | No | 128 |
Row optionsitem_number | This is a passthru variable for your own use. [not visible to buyer] | No | 128 |
Row optionsinvoice | This is a passthru variable for your own use. [not visible to buyer] | No | 128 |
Row optionscustom | This is a 2nd passthru variable for your own use. [not visible to buyer] | No | 1 |
Row optionsallow_currency | 0 = Don't allow buyer to adjust source currency (default). 1 = Allow buyer to adjust source currency. | No | 255 |
Row optionsallow_currencies | Currency codes separated with a comma of coins you will accept. This is used to further restrict the coin selection from your list of enabled coins; for example if you are doing your own exchange rates and want to limit checkout to a user selected currency. | No | 255 |
Row optionsipn_url | Sets an IPN URL. If not set or blank defaults to the IPN URL in your settings. | No | 255 |
Row optionslang | Automatically set the checkout language to this language code. For a list of supported codes check this page. | No | 16 |
Row optionscstyle | Automatically set the checkout language to this language code. For a list of supported codes check this page. | No | 16 |
Miscellaneous Fields
Text | Text | Text | Text |
Row optionsipn_url | Sets a coin selection style for the checkout page. (default: grid1) Warning: Other styles may not look right, they are untested | No | 32 |
Buyer Information. These fields can be used to pre-populate forms with any information you already know about your buyer.
Text | Text | Text | Text |
Row optionsemail | Buyer's email address. | No | 128 |