Payments
Hosted checkout, callback URLs, provider abstraction, verification, provider health, and failed payment recovery.
OpenDocumentation
GPSEWA Documentation
Learn how to integrate payments, billing, and webhooks for Nepal-specific operations.
Documentation
Explore guides and references for GPSEWA products.
Getting Started
Quick start guide for integrating GPSEWA
- Overview
- Authentication
- Test mode
- Your first checkout
Payments
Accept payments via Khalti and eSewa
- Hosted checkout
- Payment verification
- Provider health
- Failed payments
Billing
Subscriptions, invoices, and dunning
- Products & prices
- Subscriptions
- Invoices
- Retry logic
Webhooks
Real-time event notifications
- Event types
- Signature verification
- Retry policy
- Testing webhooks
Security
Best practices and compliance
- API keys
- Webhook signing
- Data handling
- Audit logs
Product Guides
Route-specific references for GPSEWA payment, billing, webhook, and security workflows.
Billing
Products, prices, subscriptions, invoices, retries, dunning, and export-ready finance records.
OpenWebhooks
Signed event delivery for payment, invoice, refund, and account lifecycle updates.
OpenSecurity
GPSEWA-owned account access, frontend secret isolation, webhook signature verification, and backend-only provider communication.
OpenAPI Reference
Complete reference for all GPSEWA API endpoints.
Checkout Sessions
Create and manage checkout sessions
Payments
Retrieve and list payments
Products
Create and manage products
Prices
Define pricing for products
Subscriptions
Manage recurring billing
Invoices
Generate and track invoices
Webhooks
Configure webhook endpoints
SDKs & Libraries
Official libraries for common languages.
TS
Node.js / TypeScript
npm install gpsewa
PY
Python
pip install gpsewa
PHP
PHP
composer require gpsewa
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