Measuring APIs in B2C marketing involves assessing their contribution to customer engagement and business objectives. Key metrics include API usage volume, tracking the number of requests, and unique active users, indicating the reach of API-powered features. It's crucial to evaluate conversion rates, such as purchases or sign-ups directly attributed to API functionality, along with customer acquisition cost (CAC) for API-driven channels. Furthermore, API performance indicators like latency, uptime, and error rates are paramount, as they directly influence user experience and satisfaction. Finally, assessing improvements in customer lifetime value (CLTV) and overall brand perception helps determine the API's strategic value in a competitive B2C landscape. More details: https://camping-channel.eu/surf.php3?id=1523&url=https://infoguide.com.ua