Simple Payments

Pay Now Button

Add button

First you need to add a button to your website and add "Pay Now" as the button text. Below you will find examples of the most popular E-commerce Platforms. If you cannot find yours in the list, let us know.

WIX

Click here to see how to add a button to your WIX site.

Squarespace

Click here to see how to add a button to your Squarespace site.

WordPress

Click here to see how to add a button to your WordPress site.

Shopify

Click here to see how to add a button to your Shopify site.

Copy URL

Log in to the Control Panel and go to Simple Payments/Pages. Choose the form you want to use. Click on the 3 dots and Copy Page URL.

Set URL on button

All you have to do is add the URL to the button. Replace your URL with the one between the quotation marks.

<a href="{https://sandbox.fullstackgateway.com}/spp/example-page">Pay Now</a>

Url Parameters

Custom Fields

Comma separate the custom field ids and values you want to prefill. You can get the custom field ID from the Control Panel under Manage->Custom Fields.

Colon separate the custom field id and value.

{https://sandbox.fullstackgateway.com}/spp/example-page?custom_fields=field1ID:value,field2ID:value

// Example
{https://sandbox.fullstackgateway.com}/spp/beef_jerky?custom_fields=cotpggp97i67muer2dd0:meat,coyqg1p97i67muer2dd1:spicy

Products

Comma separate the product ids and quantities you want to prefill. You can get the product ID from the Control Panel under Shopping->Products->Edit Product->ID (upper right hand corner).

Colon separate the product id, quantity, price

{https://sandbox.fullstackgateway.com}/spp/example-page?add_products=product1ID:quantity:price,product2ID:quantity:price

// Example
{https://sandbox.fullstackgateway.com}/spp/beef_jerky?add_products=cjocdq45co1epquvdn60:2:8.23,cjocdq45co1epquvdn61:1:3.50

Plan

Select a plan automatically on page load using a plan ID. You can get the plan ID from the Control Panel under Simple Payments->Plans->Edit Plan->ID (upper left hand corner).

{https://sandbox.fullstackgateway.com}/spp/example-page?add_plan=planID

// Example
{https://sandbox.fullstackgateway.com}/spp/beef_jerky?add_plan=cron36bug2jkcqd9mij0

Amount

If you have preset amounts, you can set an amount to be selected on page load using the add_amount query string parameter.

{https://sandbox.fullstackgateway.com}/spp/example-page?add_amount={integer}

The example below will set the amount to $1.00 on page load.

// Example
{https://sandbox.fullstackgateway.com}/spp/beef_jerky?add_amount=100

Custom Amount

If you have custom amount enabled, you can set an amount to be prefilled on page load using the add_custom_amount query string parameter.

{https://sandbox.fullstackgateway.com}/spp/example-page?add_custom_amount={float or integer}

Both examples below will set the amount to $1.00 on page load.

// Example using an integer.
{https://sandbox.fullstackgateway.com}/spp/beef_jerky?add_custom_amount=100

// Example using a float.
{https://sandbox.fullstackgateway.com}/spp/beef_jerky?add_custom_amount=1.00

API

Create product

Request Method: POST

URL Endpoint: /api/merchant/{merchantid}/product

Name	Type	Default	Description	Required	Regex
sku	string		Product Sku	true	([0-9a-z]{0-20})
name	string		display name	true	([0-9a-z -]{0-100})
img	string		product image (base64 encoded)	false
price	unsigned int		unit price	true	([0-9a-z -]{0-100})
fixed_amount	boolean		should we lock the amount or allow the end user to customize the amount	true
fixed_qty	boolean		should we lock the quantity or allow the end user to customize the quantity	true
description	string		item description	true	254 characters

Create recurring plan

Request Method: POST

URL Endpoint: /api/recurring/plan

Name	Type	Default	Description	Required	Regex
name	string		plan name	true	([0-9a-z -]{0-100})
amount	unsigned int		Amount to be billed in cents (100 = $1.00)	true	([0-9a-z -]{0-100})
currency	string		currency "USD"	true	USD
billing_cycle_interval	integer		How often to run the billing cycle (run every X months)
billing_frequency	string literal	"monthly"	How often to run the plan within a billing cycle. ("monthly", "twice_monthly", "daily")	*
billing_days	string	null	Which day of the month to bill on. If "twice_monthly" then comma separate dates ("1, 15"). For the last day of the month, use "0".	*
duration	integer	0	Number of times for the discount to be billed (use 0 if you want the plan to persist until cancelled)
features.allow_custom_amount	boolean	false	Shoule we allow a custom amount to be used	true	([0-9a-z -]{0-100})
add_ons	array of objects		Enumerates add-ons for a recurring plan
add_ons[#]     .id	string		ID of the referenced add_on
add_ons[#]     .name	string		Display name for the add_on (optional, this overrides the add_ons value)
add_ons[#]     .description	string		Description for the add_on (optional, this overrides the add_ons value)
add_ons[#]     .amount	int		Amount to be added (optional, this overrides the add_ons value)
add_ons[#]     .duration	int		Duration for the add_on to be billed (optional, this overrides the add_ons value)
discounts	array of objects		Enumerates discounts for a recurring plan
discounts[#]     .id	string		ID of the referenced discount
discounts[#]     .name	string		Display name for the discount (optional, this overrides the discount value)
discounts[#]     .description	string		Description for the discount (optional, this overrides the discount value)
discounts[#]     .amount	int		Amount to be discounted (optional, this overrides the discount value)
discounts[#]     .duration	int		Duration for the discount to be billed (optional, this overrides the discount value)

Create custom field

Request Method: POST

URL Endpoint: /api/customfields

Name	Type	Default	Description	Required	Regex
name	string		display name	true	([0-9a-z -]{0-100})
type	string		group name for referencing groups of custom fields		([0-9a-z]{0-50})
group_name	string		group name for referencing groups of custom fields		([0-9a-z]{0-50})
required	boolean		should we require this field	false
validation_type	string		How should we validate these values.		(open
values	array({name:string, value: string})		Values are an array of objects with keys of name and value

Create Simple Payments

Request Method: POST

URL Endpoint: /api/merchant/{merchantid}/simple-payment

Name	Type	Default	Description	Required	Regex
form_type	string		Simple Payments Page Type		(donation)
slug	string		This is the URL slug appended to /spp/	true	([0-9a-z]{0-20})
name	string		display name	true	([0-9a-z -]{0-100})
title	string		Simple Payments Page Title	true	([0-9a-z -]{0-100})
description	string		Simple Payments Page description	true	254 characters
payment_settings	array of objects		Enumerates payment types to accept
payment_settings[#]     .payment_method	string		Allows card and ach payments	(card	ach)
layout	string		Page Layout to use.	true	(full
image_url	string		Page image (base64 encoded)	false
background_color	string		Background color to use, only if not using layout full	true
amount_header	string		Page heading over Amounts section	false	([0-9a-z -]{0-100})
amount_options	array of unsigned integers		Enumerates predefined amounts to accept
manual_amount	boolean		Should we allow custom amounts to be entered? Only available if not using products or plans	false
plans_header	string		Page heading over Plans section	false	([0-9a-z -]{0-100})
plan_ids	array of strings		Enumerates plan ids to make available
products_header	string		Page heading over Products section	false	([0-9a-z -]{0-100})
products_ids	array of strings		Enumerates product ids to make available
custom_fields_header	string		Page heading over Custom Fields section	false	([0-9a-z -]{0-100})
custom_field_ids	array of strings		Enumerates custom fields ids to make available
success_url	string		Where to redirect after a successful payment	false