Package Exports
- @easyflow/javascript-sdk
- @easyflow/javascript-sdk/package.json
Readme
Easyflow JavaScript SDK

Freedom to sell more, better and longer
Enterprise-grade JavaScript SDK for integration with the Easyflow payment processing platform with robust validation, comprehensive security and Brazilian compliance
About Easyflow
Easyflow is a payment platform that facilitates the sales process of digital products and services in a simple and intuitive way. Our mission is to transform Digital Commerce by offering a complete sales structure to maximize your LTV.
Why Choose Easyflow?
- Outstanding approval rate: 95% to 98% credit card approval rate
- High conversion checkout: Fastest loading in the market
- Simplified recurrence: Recurring payments with your own rules
- Bank-level security: PCI Compliance and advanced encryption
- Same-day withdrawal: Same day, no bureaucracy
- Simple integrations: Webhooks and API with few clicks
Payment Methods
- Credit Card: Highest approval rate in the market
- PIX: Instant Brazilian payment
- Bank Billet: For those who prefer to pay via bank
Main Features
- Optimized checkout for maximum conversion
- AI-powered sales recovery (up to 40% increase)
- Upsell, downsell and cross-sell to increase average ticket
- Automated payment splitting for co-producers
- Smart metrics and insights in real time
- Integration with CRM, ERPs and third-party platforms
Plans and Fees
Clear and fair rate: 6.99% + R$2.50
- Revenue +100k per month? Click here for special conditions
- You only pay when you generate results
- No hidden fees or surprises
Try It Now
What is the Easyflow JavaScript SDK?
The Easyflow JavaScript SDK is the official tool for developers to integrate their applications with the Easyflow platform. With this SDK, you can:
- Process payments securely and reliably
- Manage customers with complete Brazilian data validation
- Create offers and process orders automatically
- Implement recurrence with custom rules
- Integrate with any system via REST API
SDK Advantages
- 100% Plug & Play: Works with any type of business
- Brazilian Compliance: CPF/CNPJ, phone, address validation
- Enterprise Security: Multiple layers of protection
- High Performance: Optimized for production
- Complete Documentation: Practical examples for all use cases
What's New in v2.1.11
Credit Card Token Validation Fix
- Real Token Support: Now accepts real encrypted/ciphered credit card tokens
- Flexible Format: Supports Base64, URL-safe, and mixed character tokens
- Variable Length: Accepts tokens from 16 to 2048 characters
- Enhanced Security: Maintains security while accepting real-world tokens
- Backward Compatibility: Works with all existing token formats
Workflow Corrections
Workflow Corrections
- GitHub Actions Fixed: Resolved release workflow permissions and SRI hash generation
- CDN Deployment: Automated deployment to Cloudflare Pages working correctly
- Release Automation: GitHub releases created automatically with proper SRI hashes
- Build Process: Streamlined build and deployment pipeline
Hybrid Distribution Strategy
Hybrid Distribution Strategy
- NPM Package: Contains only documentation and TypeScript definitions
- CDN Scripts: Production-ready obfuscated builds via Cloudflare Pages
- Enhanced Security: Code source protected while maintaining accessibility
- Better UX: Easy discovery via NPM, secure usage via CDN
Security & Privacy Improvements
- README Anonymization: Removed all personal information and sensitive data
- Privacy Protection: No personal emails, URLs, or contact information exposed
- Professional Documentation: Clean, business-focused documentation
- NPM Safety: Safe for public NPM publication
Security & Privacy Improvements
- README Anonymization: Removed all personal information and sensitive data
- Privacy Protection: No personal emails, URLs, or contact information exposed
- Professional Documentation: Clean, business-focused documentation
- NPM Safety: Safe for public NPM publication
Test Suite Improvements
- Test Coverage Optimization: Fixed all failing unit tests for complete 250 test coverage
- Mock Structure Corrections: Updated test mocks to align with actual API response patterns
- Customer Management Tests: Corrected mock structures for
createCustomerandgetCustomermethods - Credit Card Tests: Fixed mock data structures for
addCreditCardandgetCreditCardmethods - Consistent Test Patterns: Standardized mock response structures across all endpoints
Test Suite Improvements
- Test Coverage Optimization: Fixed all failing unit tests for complete 250 test coverage
- Mock Structure Corrections: Updated test mocks to align with actual API response patterns
- Customer Management Tests: Corrected mock structures for
createCustomerandgetCustomermethods - Credit Card Tests: Fixed mock data structures for
addCreditCardandgetCreditCardmethods - Consistent Test Patterns: Standardized mock response structures across all endpoints
API Response Pattern Standardization
- Customer Methods: Properly handle
response.data.customerstructure - Credit Card Methods: Correctly process
response.data.creditCardstructure - Order Methods: Maintain existing
response.datapattern - Improved Reliability: Enhanced test reliability and maintainability
Enhanced ID Validation Support
- Multiple ID Format Support: Now accepts UUID v4, UUID v7, and MongoDB ObjectId formats
- UUID v4: Standard format
xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx(y = 8,9,A,B) - UUID v7: Modern format
xxxxxxxx-xxxx-7xxx-yxxx-xxxxxxxxxxxx(y = 8,9,A,B) - MongoDB ObjectId: 24-character hexadecimal format
507f1f77bcf86cd799439011 - Strict Validation: Rejects any other formats for enhanced security
Lovable Integration Fixes
- Event System Implementation: Complete event system with
on()andoff()methods - Iframe Compatibility: Fixed iframe blocking issues for low-code platforms
- Global Instance:
window.easyflowSDKinstance with all methods and events - Event Emissions: Automatic events for
customerCreated,orderPlaced, andpaymentProcessed
Quick Start
Installation
Option 1: CDN Script (Recommended)
Add this script tag to your HTML:
<!-- Latest version -->
<script src="https://easyflow-sdk.pages.dev/easyflow-sdk.min.js"></script>
<!-- Specific version -->
<script src="https://easyflow-sdk.pages.dev/easyflow-sdk.v2.1.11.min.js"></script>Option 2: NPM Package (Documentation Only)
npm install @easyflow/javascript-sdkNote: The NPM package contains only documentation. For production use, use the CDN script above.
Option 3: Direct Download
Download the latest obfuscated build from GitHub Releases.
Basic Usage
Method 1: CDN Script (Recommended for Production)
<!-- Load SDK via script tag -->
<script src="https://easyflow-sdk.pages.dev/easyflow-sdk.min.js"></script>
<script>
// Configure the global instance
easyflowSDK.configure({
businessId: 'demo-business-12345',
})
// Process a payment
easyflowSDK
.placeOrder('demo-offer-67890', {
customer: {
name: 'João Silva',
email: 'joao@exemplo.com',
document: {
type: 'CPF',
number: '12345678901',
},
},
payments: [
{
method: 'credit-card',
numberInstallments: 1,
},
],
})
.then((orderId) => {
console.log('Pedido criado:', orderId)
})
.catch((error) => {
console.error('Erro ao criar pedido:', error.message)
})
</script>Method 2: Global Instance (For Low-Code Platforms & Simple HTML)
<!-- Load SDK via script tag -->
<script src="https://easyflow-sdk.pages.dev/easyflow-sdk.min.js"></script>
<script>
// Configure the global instance
easyflowSDK.configure({
businessId: 'demo-business-12345',
})
// Now you can use all methods directly
easyflowSDK
.createCustomer({
name: 'Maria Silva',
email: 'maria@exemplo.com',
document: { type: 'CPF', number: '12345678901' },
})
.then((customer) => {
console.log('Cliente criado:', customer)
})
.catch((error) => {
console.error('Erro ao criar cliente:', error.message)
})
// Validation methods are always available
if (easyflowSDK.validate.email('teste@exemplo.com')) {
console.log('Email válido!')
}
// Listen to events
easyflowSDK.on('customerCreated', (data) => {
console.log('Evento cliente criado:', data)
})
</script>Features
Payment Processing
- Credit Card: Highest approval rate with advanced fraud detection
- PIX: Instant Brazilian payment method
- Bank Billet: Traditional bank payment option
- Recurring Payments: Custom subscription rules
Customer Management
- Complete Validation: CPF/CNPJ, phone, address validation
- Data Sanitization: XSS protection and input cleaning
- Secure Storage: Encrypted sensitive data handling
Security Features
- PCI Compliance: Bank-level security standards
- Fingerprinting: Advanced fraud detection
- Rate Limiting: Protection against abuse
- Input Validation: Comprehensive data validation
- Obfuscated Builds: Production builds are obfuscated for enhanced security
- Controlled Distribution: Secure distribution via CDN and GitHub Releases
Low-Code Platform Support
- Lovable Integration: Full compatibility with Lovable platform
- Global Instance:
window.easyflowSDKfor easy integration - Event System: Built-in event handling for
on()andoff() - Validation Methods: Always available validation functions
- Configuration: Simple setup with
easyflowSDK.configure()
API Reference
Core Methods
placeOrder(offerId, data, headers)
Creates an order using an existing offer.
const orderId = await easyflowSDK.placeOrder('demo-offer-67890', {
customer: {
name: 'João Silva',
email: 'joao@exemplo.com',
document: { type: 'CPF', number: '12345678901' },
},
payments: [{ method: 'credit-card', numberInstallments: 1 }],
})charge(data, headers)
Processes a direct charge without using an offer.
const orderId = await easyflowSDK.charge({
items: [{ name: 'Produto Demo', price: 1000 }],
payments: [{ method: 'pix', numberInstallments: 1 }],
})encrypt(creditCardData, headers)
Encrypts credit card data for secure processing.
const token = await easyflowSDK.encrypt({
number: '4111111111111111',
holderName: 'João Silva',
expirationMonth: '12',
expirationYear: '2025',
cvv: '123',
})Customer Management
createCustomer(customerData, headers)
Creates a new customer.
const customer = await easyflowSDK.createCustomer({
name: 'João Silva',
email: 'joao@exemplo.com',
document: { type: 'CPF', number: '12345678901' },
})getCustomer(customerId, headers)
Retrieves customer information.
const customer = await easyflowSDK.getCustomer('demo-customer-12345')updateCustomer(customerId, updateData, headers)
Updates existing customer information.
const result = await easyflowSDK.updateCustomer('demo-customer-12345', {
name: 'João Atualizado',
email: 'joao.atualizado@exemplo.com',
})Credit Card Management
addCreditCard(customerId, creditCardToken, headers)
Adds a credit card to a customer.
const result = await easyflowSDK.addCreditCard(
'demo-customer-12345',
'encrypted-token-demo'
)getCreditCard(customerId, creditCardId, headers)
Retrieves credit card information.
const creditCard = await easyflowSDK.getCreditCard(
'demo-customer-12345',
'demo-card-67890'
)removeCreditCard(customerId, creditCardId, headers)
Removes a credit card from a customer.
const result = await easyflowSDK.removeCreditCard(
'demo-customer-12345',
'demo-card-67890'
)Validation
ID Validation
All entity IDs must follow specific formats:
- UUID v4:
xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx(y = 8,9,A,B) - UUID v7:
xxxxxxxx-xxxx-7xxx-yxxx-xxxxxxxxxxxx(y = 8,9,A,B) - MongoDB ObjectId: 24-character hexadecimal format
// Valid IDs
Validator.validateOrderId('f47ac10b-58cc-4372-a567-0e02b2c3d479') // UUID v4
Validator.validateOrderId('01890b24-2d7f-7c3f-8f1a-123456789abc') // UUID v7
Validator.validateOrderId('507f1f77bcf86cd799439011') // MongoDB ObjectIdData Validation
Comprehensive validation for all input data:
// Customer validation
Validator.validateCustomer({
name: 'John Doe',
email: 'john@example.com',
document: { type: 'CPF', number: '12345678901' },
})
// Payment validation
Validator.validateOrderData({
items: [{ name: 'Product', price: 1000 }],
payments: [{ method: 'credit-card', numberInstallments: 1 }],
})Events
The SDK provides an event system for monitoring operations:
// Listen to events
easyflowSDK.on('customerCreated', (data) => {
console.log('Cliente criado:', data)
})
easyflowSDK.on('orderPlaced', (data) => {
console.log('Pedido criado:', data)
})
easyflowSDK.on('paymentProcessed', (data) => {
console.log('Pagamento processado:', data)
})
// Remove event listeners
easyflowSDK.off('customerCreated', callback)Error Handling
The SDK provides comprehensive error handling:
try {
const result = await easyflowSDK.placeOrder('demo-offer-67890', orderData)
} catch (error) {
if (error.name === 'ValidationError') {
console.log('Falha na validação:', error.message)
} else if (error.name === 'NetworkError') {
console.log('Erro de rede:', error.message)
} else if (error.name === 'SecurityError') {
console.log('Violação de segurança:', error.message)
}
}Configuration
SDK Options (CDN Implementation)
// Configure the global instance
easyflowSDK.configure({
businessId: 'demo-business-12345',
environment: 'production', // 'production' or 'sandbox'
debug: false, // Enable debug logging
timeout: 30000, // Request timeout in milliseconds
})Environment Variables
EASYFLOW_BUSINESS_ID=demo-business-12345
EASYFLOW_ENVIRONMENT=production
EASYFLOW_DEBUG=falseExamples
Complete Checkout Flow
// 1. Create customer
const customer = await easyflowSDK.createCustomer({
name: 'João Silva',
email: 'joao@exemplo.com',
document: { type: 'CPF', number: '12345678901' },
})
// 2. Encrypt credit card
const token = await easyflowSDK.encrypt({
number: '4111111111111111',
holderName: 'João Silva',
expirationMonth: '12',
expirationYear: '2025',
cvv: '123',
})
// 3. Add credit card to customer
const creditCard = await easyflowSDK.addCreditCard(customer.id, token)
// 4. Place order
const orderId = await easyflowSDK.placeOrder('demo-offer-67890', {
customer: customer,
payments: [
{
method: 'credit-card',
creditCardId: creditCard.creditCardId,
numberInstallments: 1,
},
],
})PIX Payment
const orderId = await easyflowSDK.placeOrder('demo-offer-67890', {
customer: {
name: 'Maria Santos',
email: 'maria@exemplo.com',
document: { type: 'CPF', number: '98765432100' },
},
payments: [
{
method: 'pix',
numberInstallments: 1,
},
],
})
// Get PIX data
const pixData = await easyflowSDK.getPix(orderId)
console.log('PIX QR Code:', pixData.qrCode)Bank Billet Payment
const orderId = await easyflowSDK.placeOrder('demo-offer-67890', {
customer: {
name: 'Pedro Costa',
email: 'pedro@exemplo.com',
document: { type: 'CPF', number: '11122233344' },
},
payments: [
{
method: 'bank-billet',
numberInstallments: 1,
},
],
})
// Get bank billet data
const bankBillet = await easyflowSDK.getBankBillet(orderId)
console.log('Bank Billet Link:', bankBillet.link)Distribution & Security
Why CDN Scripts?
- Obfuscated Builds: Production code is obfuscated for security
- Controlled Access: Secure distribution via Cloudflare Pages
- Version Control: Specific versions available for stability
- Performance: Global CDN for fast loading
Available CDN URLs
<!-- Latest version -->
<script src="https://easyflow-sdk.pages.dev/easyflow-sdk.min.js"></script>
<!-- Versioned (recommended for production) -->
<script src="https://easyflow-sdk.pages.dev/easyflow-sdk.v2.1.8.min.js"></script>
<!-- With SRI (Subresource Integrity) -->
<script
src="https://easyflow-sdk.pages.dev/easyflow-sdk.v2.1.11.min.js"
integrity="sha384-[hash]"
crossorigin="anonymous"
></script>Browser Support
Node.js Support
- Node.js: 18+
- npm: 8+
- yarn: 1.22+
Contributing
We welcome contributions! Please see our Contributing Guide for details.
Support
- Documentation: https://docs.easyflow.digital
- GitHub Issues: https://github.com/easyflow-cash/easyflow-javascript-sdk/issues
- Website: https://www.easyflow.digital
License
This project is licensed under the MIT License - see the LICENSE file for details.
Changelog
v2.1.11
- Credit Card Token Fix: Accepts real encrypted/ciphered tokens from vault services
- Flexible Validation: Supports Base64, URL-safe, and mixed character formats
- Variable Length: Accepts tokens from 16 to 2048 characters
- Enhanced Security: Maintains security while accepting real-world tokens
- Backward Compatibility: Works with all existing token formats
v2.1.10
- Workflow Fixed: Resolved GitHub Actions permissions and SRI hash generation
- CDN Automation: Automated deployment to Cloudflare Pages working correctly
- Release Process: GitHub releases created automatically with proper SRI hashes
- Build Pipeline: Streamlined build and deployment process
v2.1.9
- Hybrid Distribution: NPM for docs, CDN for secure obfuscated code
- Enhanced Security: Code source protected while maintaining accessibility
- Better UX: Easy discovery via NPM, secure usage via CDN
- Documentation: Complete setup and usage instructions
v2.1.8
- Security & Privacy: Anonymized README.md for safe NPM publication
- Documentation: Removed all personal information and sensitive data
- Professional: Clean, business-focused documentation
v2.1.7
- Fixed all failing unit tests for complete 250 test coverage
- Corrected mock structures for customer and credit card management
- Standardized API response patterns across all endpoints
- Enhanced test reliability and maintainability
v2.1.6
- Enhanced ID validation with UUID v4, UUID v7, and MongoDB ObjectId support
- Fixed iframe compatibility issues for low-code platforms
- Implemented complete event system with
on()andoff()methods - Added global SDK instance for easier integration
v2.1.5
- Added browser fingerprinting for enhanced security
- Implemented automatic
x-fingerprint-idheader generation - Enhanced security validation and error handling
- Improved documentation and examples
Built with ❤️ by the Easyflow Team