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Cryptohopper PHP SDK — Wiki

Welcome. This wiki hosts deeper-dive material that doesn't belong in the README: auth flows, error taxonomy, rate-limit strategy, recipes, and design notes. The same content also ships as docs/ in the main repo — wiki pages are kept in sync with each SDK release.

Quick links

• Getting Started — install, first call, common pitfalls
• Authentication — bearer tokens, app keys, BYO Guzzle client, refresh-token pattern
• Error Handling — every error code, TIMEOUT vs NETWORK_ERROR discrimination, retry wrapper, Sentry/Laravel integration
• Rate Limits — 429 retry logic, queue-based concurrency, multi-process PHP-FPM coordination
• Recipes — copyable patterns: backtest polling, fill detection, PHP 8 match on errors, BYO Guzzle middleware, MockHandler testing
• Comparison — same operations side-by-side across all 9 SDKs (Node, Python, Go, Ruby, Rust, PHP, Dart, Swift, CLI)

Other resources

• Package on Packagist
• Source code
• Public API docs
• Shared SDK versioning policy
• Overview of all official SDKs

Sibling SDKs

Every official SDK covers the same 18 API domains with the same error taxonomy and retry model: Node, Python, Go, Ruby, Rust, PHP, Dart, Swift, plus the cryptohopper CLI.