APIs power todayโ€™s software, but with AI tools accelerating development, many organizations donโ€™t even know how many APIs they haveโ€”or how secure they are. Shadow, zombie, and rogue APIs can quietly expand your attack surface, leaving critical vulnerabilities unchecked. Thatโ€™s why modern API discovery tools are essential. This guide breaks down what API discovery is, why it matters more than ever in 2025, and how to choose the right tool to secure your entire API landscape.

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