ApiClientSync

App Store Description — ApiClientSync

ApiClientSync is a fast, fully native API client for developers who want powerful tools without unnecessary complexity. Build, organize, test, and debug HTTP and WebSocket requests in a clean interface designed for iPhone, iPad, and Mac.

ORGANIZE REQUESTS WITH COLLECTIONS

• Create collections for different projects, environments, or APIs
• Add default headers that automatically apply to every request
• Use the built-in Cookie Jar to capture, store, and send cookies across requests
• Restore your last selected request and response automatically when reopening a collection

POWERFUL REQUEST COMPOSER

• Support for GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS
• Build HTTP and WebSocket requests in one app
• Edit headers and query parameters using YAML, JSON, or key-value rows
• Switch formats anytime without losing data
• Send JSON, XML, plain text, SPARQL, URL-encoded forms, multipart forms, and raw file bodies
• Toggle multipart fields between text and file uploads per row
• Import requests directly from curl commands
• Export requests as ready-to-use code in 20+ languages including Swift, Python, JavaScript, Go, Rust, and more

ADVANCED RESPONSE AND TRANSCRIPT VIEWERS

• Adaptive response layout that maximizes workspace automatically
• Pretty-print JSON and XML responses
• Preview HTML, images, raw text, Base64, and binary hex dumps inline
• Inspect response history for previous runs
• View detailed request traces and URLSession debug logs
• Review WebSocket transcripts and recent session history
• Share response bodies as files or copy formatted output instantly

NETWORKING, PROXY, AND IMPORT/EXPORT FEATURES

• Per-request and per-collection proxy support
• HTTP, HTTPS, and SOCKS5 proxy support
• Username and password authentication for proxies
• Disable SSL verification for testing internal or self-signed APIs
• Import and export HAR 1.2 files
• Preserve app-specific request backup data alongside standard HAR compatibility

ICLOUD AND APPLE PLATFORM FEATURES

• Sync collections, requests, and preferences across devices with iCloud
• Live Activities support on iPhone for long-running requests
• Home Screen widget support for monitoring saved requests
• Fully native SwiftUI experience built for Apple platforms
• Optimized for iPhone, iPad, and Mac with sidebar navigation and system appearance support

FREE TO START, PRO TO GO FURTHER

Upgrade to API Client Pro for unlimited collections, unlimited requests per collection, and HAR file import. Choose a yearly subscription or a one-time lifetime purchase.

• Pro Yearly — Unlimited access, billed annually
• Pro Lifetime — One-time purchase, yours forever

PRIVACY FIRST

• No accounts required
• No tracking
• No ads
• Your data stays on your devices and in your iCloud
• Just a fast, native API client built for developers

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/