Fix MMP Cost Aggregation Errors: Why Your ROAS Looks Better Than It Is
Cost API integration failures silently inflate your ROAS numbers. Here's how to audit your cost data and catch the errors before they mislead your budget decisions.
Cost API integration failures silently inflate your ROAS numbers. Here's how to audit your cost data and catch the errors before they mislead your budget decisions.
Key Analysis
This guide is based on hands-on testing, interviews with growth teams, and analysis of user reviews across G2, Capterra, and TrustRadius. We update our recommendations quarterly to reflect pricing changes, feature updates, and market shifts.
- Covers: troubleshooting, cost, roas, guides
- Category: Guides
- Author: Alex Morgan — Senior Growth Analyst
- Last updated: 2026-05-20
- Reading time: 10 min read
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