Performance is a feature. When your Laravel application interacts with slow external APIs, making requests sequentially is a major performance killer. The total latency is the sum of all individual requests.
The solution is concurrent requests.
Laravel's HTTP client provides two elegant solutions: the simple pool() method and the incredibly powerful batch() method with lifecycle callbacks.
In this article, I provide a clear guide with real-world use cases (like a dashboard aggregating data from multiple services) to show you how to implement this and stop leaving performance on the table.
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