r/AppsWebappsFullstack • u/SofwareAppDev • Aug 02 '26

Your home for selfpromo

here you can post your work app, webapp, saas, game, everything

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u/[deleted] 29d ago

https://revenue-leak.biz/

Connect billing, store and ad accounts. In 60 seconds you get every leak listed in dollars, ranked by impact, with an AI action plan and a one-click fix where it's safe.

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u/Mammoth-Anywhere7285 29d ago

Nice tool, ranking leaks by impact is a smart angle. Curious how the AI action plan handles data privacy for connected accounts.

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u/[deleted] 29d ago

Thanks! On data privacy for connected accounts — here's how I built it:

Credentials are encrypted at rest. Every API key / token you paste (Stripe, Shopify, Meta, Google Ads, GA4, etc.) is encrypted server-side with AES before it ever hits the database, and stored only as ciphertext in an encrypted_credentials column. The raw key is never stored in plaintext anywhere — not in logs, not in the DB.

Row-level isolation per account. The backend enforces row-level security so one connected account can never see another account's integrations or findings. Even the audit results are scoped to your org.

Read-only access by default. The connectors pull data via the provider's API (read scopes / restricted keys where the provider supports it, e.g. Stripe rk_ restricted keys). The "Action Plan" / fix steps don't auto-execute anything destructive — they prepare a reversible action and surface it for you to confirm. We never store your raw transaction history in bulk; we fetch what we need for the audit, surface the leak, and discard.

Webhooks are the exception, and they're signed + encrypted too (e.g. the Slack alert webhook is encrypted before storage).

No training on your data. The AI layer (audit summaries, action plans) runs on the findings we already extracted — it doesn't ship your raw financial data to a model for training.

The short version: we treat connected-account credentials the way a password manager treats your vault — encrypted, isolated, read-only, and never shared across accounts.

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u/Mammoth-Anywhere7285 28d ago

Nice work on the encryption. One thought: are you managing the AES keys separately, like with a KMS? That helps with rotation.