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MergeWatch SaaS uses a prepaid credits model. After a free tier, you load a balance with a card (via Stripe), and each review deducts its actual cost from that balance. No subscriptions, no per-seat fees, no volume contracts.

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Free tier

Every installation gets 5 free PR reviews total (lifetime, not per month). No credit card is required to start. The free counter is tracked per GitHub App installation — once you’ve used all 5, you’ll need to add a payment method to continue.
The free tier is intended to let you evaluate MergeWatch on real PRs. If you reach the limit and want to keep going, add a card via Dashboard → Billing.

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Per-review pricing

Each review is priced transparently from the actual LLM cost. There are no tiers or commitments. 
total = llmCost + $0.005 infra fee + (llmCost × 40% margin)
Example. A review that costs $0.02 in LLM tokens: 
$0.02 + $0.005 + ($0.02 × 0.40) = $0.033
A typical small-to-medium PR review lands between 0.01and0.01 and 0.10, depending on diff size, number of agents enabled, and whether codebase-awareness triggers file fetches.
The minimum balance required to start a paid review is $0.05. If your balance drops below that, MergeWatch pauses reviews until you top up or auto-reload fires.

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Topping up

Add credits from Dashboard → Billing:
  1. Click Add payment method → complete Stripe Checkout to save a card.
  2. Pick a top-up amount: 10∗∗,∗∗10**, **25, 50∗∗,or∗∗50**, or **100.
  3. Credits post instantly. The balance appears in the dashboard header.

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Auto-reload

Enable auto-reload to avoid interruptions. When your balance drops below the configured threshold (default $1), MergeWatch charges your saved card for the configured top-up amount. Configure it in Dashboard → Billing → Auto-reload:
  • Toggle auto-reload on/off
  • Set the threshold (e.g., $5)
  • Set the top-up amount (e.g., $25)
Auto-reload uses a DynamoDB mutex to guarantee it fires at most once per drop below the threshold — you won’t see double charges on rapid back-to-back reviews.

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What counts as a billable review

A billable review is any review that completes and posts a comment. Specifically:
  • Each pull_request event (opened, synchronize, ready_for_review) that runs to completion counts as one review.
  • PRs skipped by a skip rule in your .mergewatch.yml (draft PRs, ignored labels, oversized diffs, matched ignore patterns) do not count.
  • Each push to a PR re-runs the review on the updated diff and counts as a separate review.
  • @mergewatch mentions in PR comments that trigger a re-review also count.

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What happens when your balance runs out

If a review is dispatched and your balance is below the minimum:
  1. MergeWatch posts a GitHub Check Run with action_required: credits required on the PR.
  2. A GitHub Issue is filed in the repository: “MergeWatch: reviews paused — credits required”.
  3. No review comment is posted. Existing comments on prior PRs remain untouched.
  4. Once you add credits, the next PR event is reviewed normally and the blocking issue is auto-closed.

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No per-seat fees

MergeWatch never charges per user, per seat, or per repository. A single billing account covers everyone in your GitHub organization. Add as many developers and repos as you want — billing is based solely on review cost.

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Self-hosted is always free

If you self-host MergeWatch, there is no MergeWatch fee. You pay only your LLM provider (Anthropic API, Amazon Bedrock, Ollama, or any provider supported via LiteLLM). See Self-Hosting Overview.

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Next steps

Getting Started

Install the GitHub App and start reviewing PRs in minutes.

Data Residency

Understand where your data is processed and stored.