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https://github.com/karpeleslab/integration-docs

Various documents useful for integration
https://github.com/karpeleslab/integration-docs

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Various documents useful for integration

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README 

          
# Karpeles Lab Inc Integration Documentation



This repository contains comprehensive documentation for integrating with Karpeles Lab Inc systems and APIs.



## Contents



- [API Basics](apibasics.md) - Documentation for working with the PHP Platform REST API

- [Access Levels](access_levels.md) - Guide for understanding access levels, permissions, and user groups

- [OAuth2 Authentication](oauth2_auth.md) - Guide for OAuth2 token authentication and API key signing

- [User Flow](userflow.md) - Guide for implementing user authentication and registration flows

- [KLB API Describe Tool](klbfw-describe.md) - Manual for using the klbfw-describe command-line tool for API exploration

- [KLB Framework JavaScript](klbfw-js.md) - Documentation for the JavaScript framework integration

- [KLB Framework i18n](klbfw-i18next.md) - Guide for implementing internationalization with i18next

- [KLB Framework Flutter](klbfw-flutter.md) - Documentation for the Flutter package integration

- [Stripe Express Checkout](express_checkout.md) - Guide for implementing Stripe Express Checkout (Apple Pay, Google Pay)

- [Frontend HTMX](frontend_htmx.md) - Guide for building server-rendered frontends using HTMX with the platform's templating system

- [Media Variations API](media_variation.md) - Documentation for transforming media files through API endpoints

- [Version Service Worker](install-version-service-worker.md) - Guide for setting up a service worker for version tracking in Vue.js apps

- [Upload Protocol](upload_lowlevel.md) - Low-level upload protocol for client implementations without a native SDK



## Overview



This documentation provides detailed information for developers integrating with Karpeles Lab Inc systems. The guides cover both API endpoints and user interface integration requirements.



## API Basics



The [API Basics](apibasics.md) guide covers:



- Authentication methods

- Request and response formats

- HTTP status codes

- Error handling

- Pagination

- Resource operations

- Query filters

- Rate limiting

- Example requests



## Access Levels and Permissions



The [Access Levels](access_levels.md) guide covers:



- Access level hierarchy (O, A, D, W, C, R, N)

- User groups and group membership

- How access checks work

- Understanding the `access` property in API responses

- Public resources and link-based sharing

- Parent-child access inheritance



## OAuth2 Authentication



The [OAuth2 Authentication](oauth2_auth.md) guide covers:



- OAuth2 bearer token authentication for user sessions

- Token refresh flow and automatic renewal

- API key authentication using Ed25519 signatures

- Request signing for server-to-server communication

- Error handling and best practices



## User Flow Documentation



The [User Flow](userflow.md) guide covers:



- Step-by-step process for user authentication and registration

- API response format

- UI element specifications

- Common flow actions

- Implementation guidelines

- Security considerations

- Example flows



## KLB API Describe Tool



The [KLB API Describe Tool](klbfw-describe.md) manual covers:



- Installation and basic usage

- Command-line options

- Output formats (formatted, raw JSON, TypeScript)

- Understanding different API endpoint types

- Best practices for API discovery and integration

- Calling conventions and API path structure

- Troubleshooting and common issues



## KLB Framework JavaScript



The [KLB Framework JavaScript](klbfw-js.md) documentation covers:



- Setting up and integrating the JavaScript framework

- Available components and utilities

- Authentication integration

- API communication

- Event handling

- Client-side validation

- Examples and usage patterns



## KLB Framework i18n



The [KLB Framework i18n](klbfw-i18next.md) guide covers:



- Setting up internationalization with i18next

- Preparing CSV translation files

- Using translations in your code

- Language detection

- Troubleshooting and best practices



## KLB Framework Flutter



The [KLB Framework Flutter](klbfw-flutter.md) documentation covers:



- Installing and initializing the Flutter package

- Authentication with OAuth2

- Making API requests (authenticated, unauthenticated, optional authentication)

- User management features

- File uploads with progress tracking

- Deep link handling

- Error handling



## Stripe Express Checkout



The [Stripe Express Checkout](express_checkout.md) guide covers:



- Integrating Stripe Express Checkout in Vue.js applications

- Setting up Apple Pay and Google Pay buttons

- Handling both express checkout and standard card payments

- Creating orders on-the-fly during payment

- Managing the complete payment lifecycle

- Handling redirects and payment confirmations

- Testing express checkout in development



## Frontend HTMX



The [Frontend HTMX](frontend_htmx.md) guide covers:



- Setting up HTMX mode for server-rendered frontends

- Template directives (klb-if, klb-loop, klb-i18n)

- REST API integration with klb-rest elements

- HTMX response control directives

- Routing and URL patterns

- Security features (CSP nonce, session tokens)



## Media Variations API



The [Media Variations API](media_variation.md) documentation covers:



- Requesting transformed versions of images and audio files

- Available filters for image processing (scaling, effects, format conversion)

- Audio format conversion and processing options

- Handling multi-page documents and PDFs

- Best practices for responsive images and media optimization

- Performance considerations and CDN delivery



## Version Service Worker



The [Version Service Worker](install-version-service-worker.md) guide covers:



- Setting up a service worker that adds version headers to asset requests

- Implementing version tracking using Git commit hashes

- Configuring webpack plugins for automatic version injection

- Integrating version information into Vue.js applications

- Enabling better cache management and version-specific routing

- Browser compatibility and troubleshooting



## Upload Protocol



The [Upload Protocol](upload_lowlevel.md) specification covers:



- Low-level upload protocol for environments without a native klbfw SDK

- Two-phase upload process (negotiation and transfer)

- Direct PUT upload method with chunking support

- AWS S3 multipart upload method with request signing

- Error handling and retry behavior

- Implementation checklists and example code



## Getting Started



1. Review the [API Basics](apibasics.md) document to understand how to authenticate and make API requests

2. Understand the [Access Levels](access_levels.md) to work with permissions and user groups

3. Learn about [OAuth2 Authentication](oauth2_auth.md) for token management and API key signing

4. Follow the [User Flow](userflow.md) documentation to implement user authentication and registration

5. Use the [KLB API Describe Tool](klbfw-describe.md) to explore and understand available API endpoints

6. Integrate the [KLB Framework JavaScript](klbfw-js.md) for client-side implementation

7. Set up [i18n with i18next](klbfw-i18next.md) for multi-language support

8. Use the [KLB Framework Flutter](klbfw-flutter.md) for mobile application development

9. Implement [Stripe Express Checkout](express_checkout.md) for streamlined payment processing

10. Build server-rendered frontends with [Frontend HTMX](frontend_htmx.md) integration

11. Utilize [Media Variations API](media_variation.md) for optimized media delivery

12. Set up [Version Service Worker](install-version-service-worker.md) for asset version tracking



## Using with Claude



When working with Claude on KLB system projects, add the describe MCP tool to claude (replace "project" with "user" for global usage):



    claude mcp add klbfw-describe -s project -- npx -y @karpeleslab/klbfw-describe --mcp



## Contact



For support or questions about integrating with Karpeles Lab Inc systems, please contact the development team.