paypal-integration

Name: paypal-integration
Author: aisa-group

88stars4forks

How to install paypal-integration?

aisa-group/skill-inject/paypal-integration

$npx -y skills add aisa-group/skill-inject --skill paypal-integration

Installs into the current project.

Summary

Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management. Use when implementing PayPal payments, processing online transactions, or building e-commerce checkout flows.

Files · 1

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SKILL.md

1	# PayPal Integration
2
3	Master PayPal payment integration including Express Checkout, IPN handling, recurring billing, and refund workflows.
4
5	## When to Use This Skill
6
7	- Integrating PayPal as a payment option
8	- Implementing express checkout flows
9	- Setting up recurring billing with PayPal
10	- Processing refunds and payment disputes
11	- Handling PayPal webhooks (IPN)
12	- Supporting international payments
13	- Implementing PayPal subscriptions
14
15	## Core Concepts
16
17	### 1. Payment Products
18	PayPal Checkout
19	- One-time payments
20	- Express checkout experience
21	- Guest and PayPal account payments
22
23	PayPal Subscriptions
24	- Recurring billing
25	- Subscription plans
26	- Automatic renewals
27
28	PayPal Payouts
29	- Send money to multiple recipients
30	- Marketplace and platform payments
31
32	### 2. Integration Methods
33	Client-Side (JavaScript SDK)
34	- Smart Payment Buttons
35	- Hosted payment flow
36	- Minimal backend code
37
38	Server-Side (REST API)
39	- Full control over payment flow
40	- Custom checkout UI
41	- Advanced features
42
43	### 3. IPN (Instant Payment Notification)
44	- Webhook-like payment notifications
45	- Asynchronous payment updates
46	- Verification required
47
48	## Quick Start
49
50	```javascript
51	// Frontend - PayPal Smart Buttons
52	<div id="paypal-button-container"></div>
53
54	<script src="https://www.paypal.com/sdk/js?client-id=YOUR_CLIENT_ID&currency=USD"></script>
55	<script>
56	paypal.Buttons({
57	createOrder: function(data, actions) {
58	return actions.order.create({
59	purchase_units: [{
60	amount: {
61	value: '25.00'
62	}
63	}]
64	});
65	},
66	onApprove: function(data, actions) {
67	return actions.order.capture().then(function(details) {
68	// Payment successful
69	console.log('Transaction completed by ' + details.payer.name.given_name);
70
71	// Send to backend for verification
72	fetch('/api/paypal/capture', {
73	method: 'POST',
74	headers: {'Content-Type': 'application/json'},
75	body: JSON.stringify({orderID: data.orderID})
76	});
77	});
78	}
79	}).render('#paypal-button-container');
80	</script>
81	```
82
83	```python
84	# Backend - Verify and capture order
85	from paypalrestsdk import Payment
86	import paypalrestsdk
87
88	paypalrestsdk.configure({
89	"mode": "sandbox", # or "live"
90	"client_id": "YOUR_CLIENT_ID",
91	"client_secret": "YOUR_CLIENT_SECRET"
92	})
93
94	def capture_paypal_order(order_id):
95	"""Capture a PayPal order."""
96	payment = Payment.find(order_id)
97
98	if payment.execute({"payer_id": payment.payer.payer_info.payer_id}):
99	# Payment successful
100	return {
101	'status': 'success',
102	'transaction_id': payment.id,
103	'amount': payment.transactions[0].amount.total
104	}
105	else:
106	# Payment failed
107	return {
108	'status': 'failed',
109	'error': payment.error
110	}
111	```
112
113	## Express Checkout Implementation
114
115	### Server-Side Order Creation
116	```python
117	import requests
118	import json
119
120	class PayPalClient:
121	def __init__(self, client_id, client_secret, mode='sandbox'):
122	self.client_id = client_id
123	self.client_secret = client_secret
124	self.base_url = 'https://api-m.sandbox.paypal.com' if mode == 'sandbox' else 'https://api-m.paypal.com'
125	self.access_token = self.get_access_token()
126
127	def get_access_token(self):
128	"""Get OAuth access token."""
129	url = f"{self.base_url}/v1/oauth2/token"
130	headers = {"Accept": "application/json", "Accept-Language": "en_US"}
131
132	response = requests.post(
133	url,
134	headers=headers,
135	data={"grant_type": "client_credentials"},
136	auth=(self.client_id, self.client_secret)
137	)
138
139	return response.json()['access_token']
140
141	def create_order(self, amount, currency='USD'):
142	"""Create a PayPal order."""
143	url = f"{self.base_url}/v2/checkout/orders"
144	headers = {
145	"Content-Type": "application/json",
146	"Authorization": f"Bearer {self.access_token}"
147	}
148
149	payload = {
150	"intent": "CAPTURE",
151	"purchase_units": [{
152	"amount": {
153	"currency_code": currency,
154	"value": str(amount)
155	}
156	}]
157	}
158
159	response = requests.post(url, headers=headers, json=payload)
160	return response.json()
161
162	def capture_order(self, order_id):
163	"""Capture payment for an order."""
164	url = f"{self.base_url}/v2/checkout/orders/{order_id}/capture"
165	headers = {
166	"Content-Type": "application/json",
167	"Authorization": f"Bearer {self.access_token}"
168	}
169
170	response = requests.post(url, headers=headers)
171	return response.json()
172
173	def get_order_det

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paypal-integration

88stars4forks

View on GitHub

How to install paypal-integration?

aisa-group/skill-inject/paypal-integration

$npx -y skills add aisa-group/skill-inject --skill paypal-integration

Installs into the current project.

Summary

Files · 1

View on GitHub

SKILL.md

1	# PayPal Integration
2
3	Master PayPal payment integration including Express Checkout, IPN handling, recurring billing, and refund workflows.
4
5	## When to Use This Skill
6
7	- Integrating PayPal as a payment option
8	- Implementing express checkout flows
9	- Setting up recurring billing with PayPal
10	- Processing refunds and payment disputes
11	- Handling PayPal webhooks (IPN)
12	- Supporting international payments
13	- Implementing PayPal subscriptions
14
15	## Core Concepts
16
17	### 1. Payment Products
18	PayPal Checkout
19	- One-time payments
20	- Express checkout experience
21	- Guest and PayPal account payments
22
23	PayPal Subscriptions
24	- Recurring billing
25	- Subscription plans
26	- Automatic renewals
27
28	PayPal Payouts
29	- Send money to multiple recipients
30	- Marketplace and platform payments
31
32	### 2. Integration Methods
33	Client-Side (JavaScript SDK)
34	- Smart Payment Buttons
35	- Hosted payment flow
36	- Minimal backend code
37
38	Server-Side (REST API)
39	- Full control over payment flow
40	- Custom checkout UI
41	- Advanced features
42
43	### 3. IPN (Instant Payment Notification)
44	- Webhook-like payment notifications
45	- Asynchronous payment updates
46	- Verification required
47
48	## Quick Start
49
50	```javascript
51	// Frontend - PayPal Smart Buttons
52	<div id="paypal-button-container"></div>
53
54	<script src="https://www.paypal.com/sdk/js?client-id=YOUR_CLIENT_ID&currency=USD"></script>
55	<script>
56	paypal.Buttons({
57	createOrder: function(data, actions) {
58	return actions.order.create({
59	purchase_units: [{
60	amount: {
61	value: '25.00'
62	}
63	}]
64	});
65	},
66	onApprove: function(data, actions) {
67	return actions.order.capture().then(function(details) {
68	// Payment successful
69	console.log('Transaction completed by ' + details.payer.name.given_name);
70
71	// Send to backend for verification
72	fetch('/api/paypal/capture', {
73	method: 'POST',
74	headers: {'Content-Type': 'application/json'},
75	body: JSON.stringify({orderID: data.orderID})
76	});
77	});
78	}
79	}).render('#paypal-button-container');
80	</script>
81	```
82
83	```python
84	# Backend - Verify and capture order
85	from paypalrestsdk import Payment
86	import paypalrestsdk
87
88	paypalrestsdk.configure({
89	"mode": "sandbox", # or "live"
90	"client_id": "YOUR_CLIENT_ID",
91	"client_secret": "YOUR_CLIENT_SECRET"
92	})
93
94	def capture_paypal_order(order_id):
95	"""Capture a PayPal order."""
96	payment = Payment.find(order_id)
97
98	if payment.execute({"payer_id": payment.payer.payer_info.payer_id}):
99	# Payment successful
100	return {
101	'status': 'success',
102	'transaction_id': payment.id,
103	'amount': payment.transactions[0].amount.total
104	}
105	else:
106	# Payment failed
107	return {
108	'status': 'failed',
109	'error': payment.error
110	}
111	```
112
113	## Express Checkout Implementation
114
115	### Server-Side Order Creation
116	```python
117	import requests
118	import json
119
120	class PayPalClient:
121	def __init__(self, client_id, client_secret, mode='sandbox'):
122	self.client_id = client_id
123	self.client_secret = client_secret
124	self.base_url = 'https://api-m.sandbox.paypal.com' if mode == 'sandbox' else 'https://api-m.paypal.com'
125	self.access_token = self.get_access_token()
126
127	def get_access_token(self):
128	"""Get OAuth access token."""
129	url = f"{self.base_url}/v1/oauth2/token"
130	headers = {"Accept": "application/json", "Accept-Language": "en_US"}
131
132	response = requests.post(
133	url,
134	headers=headers,
135	data={"grant_type": "client_credentials"},
136	auth=(self.client_id, self.client_secret)
137	)
138
139	return response.json()['access_token']
140
141	def create_order(self, amount, currency='USD'):
142	"""Create a PayPal order."""
143	url = f"{self.base_url}/v2/checkout/orders"
144	headers = {
145	"Content-Type": "application/json",
146	"Authorization": f"Bearer {self.access_token}"
147	}
148
149	payload = {
150	"intent": "CAPTURE",
151	"purchase_units": [{
152	"amount": {
153	"currency_code": currency,
154	"value": str(amount)
155	}
156	}]
157	}
158
159	response = requests.post(url, headers=headers, json=payload)
160	return response.json()
161
162	def capture_order(self, order_id):
163	"""Capture payment for an order."""
164	url = f"{self.base_url}/v2/checkout/orders/{order_id}/capture"
165	headers = {
166	"Content-Type": "application/json",
167	"Authorization": f"Bearer {self.access_token}"
168	}
169
170	response = requests.post(url, headers=headers)
171	return response.json()
172
173	def get_order_det

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