# Challenge fee

> What a trader pays to attempt an evaluation. For an evaluation-model prop firm it is the main revenue line.

**Source:** https://proptechpal.com/glossary/challenge-fee  
**Generated:** 2026-09-24  
**Publisher:** Prop Tech Pal — independent prop firm technology comparison

_Disclosure grades measure what a vendor publishes, never product quality. A vendor publishing a weak SLA scores better than one publishing none._

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Also called: evaluation fee

## Why it matters

Because the fee is paid before any trading, payment processors often class it as higher-risk than an ordinary online sale, which affects which processors will accept the firm.

## Where it applies

- [Prop firm payment processors and payout software](https://proptechpal.com/categories/payments)

[The full glossary](https://proptechpal.com/glossary)