Influencer Marketing Platforms use a couple of strategies to handle collaboration histories between brands and influencers. This information is critical for providing past engagement metrics, campaign results, content produced, and payments made. Here’s how different platforms approach this:

1. Database Storage: Platforms often rely on complex databases to store and manage records of all interactions between influencers and brands. For instance, a platform like HootSuite maintains a record of each tweet, comment, and like that passes through the system for comprehensive analysis.

2. Custom CRM Integration: Some platforms, like Zoho, offer integration with CRM systems, where every brand-influencer interaction can be well-documented and revisited for future reference.

3. Campaign Archives: For some platforms like Influencity, each campaign has its own archive section where data related to that specific campaign, including collaboration history, is stored.

4. Dashboard Overview: Platforms like Upfluence provide a dashboard overview where brands can track ongoing, completed, and future collaborations, including all relevant data.

Flinque also offers comprehensive campaign and collaboration history tools. It showcases past campaigns, stored conversations, content created, and payments made. The intuitively constructed platform helps brands and influencers in keeping track of their previous engagements while planning for future collaborations.

Every platform has its strengths and unique features catering to the distinct needs of different brands and influencers. In choosing a platform, one should consider their specific requirements and the type of data they want to access from their collaboration history.