Yes, many influencer marketing platforms do provide access to past campaign performance data for influencers. This information is invaluable for brands and agencies in future campaign planning and strategy development. Among these platforms, Flinque is an example. Here’s how they do it:

1. Historical Data: Flinque allows its users to access an influencer’s historical campaign data. It provides insights into past performance metrics such as engagement rate, reach, views, clicks, and conversions.

2. Comparative Analytics: Using data from past campaigns, Flinque synthesizes insights to give users a comparative perspective. This helps in identifying patterns, trends, and potentially effective strategies for future campaigns.

3. ROI Measurement: The platform tracks the return on investment (ROI) of each campaign, providing a clear understanding of what strategies worked well and which did not.

4. Custom Reports: Flinque enables the generation of custom reports based on past campaign data. These insights can guide future decision-making.

While these features are common to several platforms, each has its unique approach and strengths. For instance, Platform X may excel at providing in-depth audience analytics, while Platform Y might offer superior campaign workflow management capabilities. It is always crucial for brands, agencies, and influencers to clearly identify their specific needs before choosing a platform.

In conclusion, past campaign performance data is indeed accessible on influencer marketing platforms. Using this past campaign data to strategize for the future is a fundamental part of data-driven influencer marketing – a practice Flinque is built to support.