Understanding Usage & Credits

How Koji's Credit System Works

Koji uses a credit-based usage model. Every meaningful interaction on the platform consumes credits from your monthly allocation. This system ensures you only pay for quality research — thanks to the quality gate, low-quality conversations are always free.

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Credit Costs by Action

These costs apply only when the conversation passes the quality gate (scores 3 or above on a 0–5 scale). Conversations that score below 3 are completely free.

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Credits by Plan

What this means in practice

With the Insights plan (29 credits/month), you could run:

• 29 text interviews, or
• 9 voice interviews + 2 text interviews, or
• Any mix that adds up to 29 credits

With the Interviews plan (79 credits/month), you could run:

• 79 text interviews, or
• 26 voice interviews, or
• 20 voice interviews + 19 text interviews
• Plus unlimited report refreshes (free on this plan)

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Study Limits

Credits govern conversations, but there are also limits on active studies:

A study counts as "active" when it's published and accepting responses. You can archive studies to free up slots.

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When Credits Reset

• Paid plans (Insights, Interviews, Enterprise): Credits reset on your billing anniversary — the date your subscription started. For example, if you subscribed on March 10, your credits reset on the 10th of each month.
• Free plan: Your 10 starter credits are a one-time grant. They do not reset monthly.
• Bonus credits (from admin grants or promotions): These do not reset and remain available until used or expired.

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Tracking Your Usage

You can monitor your credit usage from the Dashboard:

1. Navigate to your Dashboard
2. Your current credit balance and usage are displayed prominently
3. View a breakdown of credits consumed by study
4. Track how many billable conversations you've had this period

Usage Tracking Details

Koji tracks these metrics per billing period:

• Studies created — count of new studies
• Interviews completed — total conversations
• Billable conversations — conversations that passed the quality gate and consumed credits
• Report refreshes — report generation events

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Managing Your Budget

Set an Overage Cap

On paid plans, you can set a maximum overage limit to prevent unexpected charges. This controls how many additional credits beyond your included allocation you're willing to pay for.

• Set the cap to 0 to hard-stop at your included credits
• Set a specific number to allow controlled overage
• Leave it unlimited for uninterrupted research

Tips for Efficient Credit Use

1. Use text interviews when voice isn't necessary — text costs 1 credit vs. 3 for voice
2. Let the quality gate work for you — low-quality conversations are automatically free
3. Batch your report refreshes — collect more responses before refreshing to get more value per refresh
4. Archive unused studies — free up study slots for new research
5. Consider annual billing — save 2 months free on any paid plan

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What Happens When You Hit Your Limit

You'll receive notifications as you approach your credit limit so you can plan accordingly.