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What is Sure?

Sure is a community-maintained open-source personal finance application for wealth management and financial tracking. It’s a fork of the now-abandoned Maybe Finance project, which you can self-host to manage your personal finances privately. Learn more about Sure →

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How to Set Up

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Prerequisites

  • A Sure instance (self-hosted or using a hosting provider)
  • Your Sure instance must be publicly accessible via HTTPS
A better integration is coming soon that won’t require making your Sure instance public and will be more capable (not limited by Sure’s incomplete API). Upvote here to be notified when it’s available!
  • At least one bank connected in Lunch Flow

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Setup Steps

1
Generate an API key from your Sure account:
  1. Log into your Sure instance
  2. Navigate to Settings → API keys
  3. Generate a new API key with read/write permissions
  4. Copy the generated API key
2
Add Sure as a destination in Lunch Flow:
  1. Go to the Destinations page in Lunch Flow
  2. Click Add Destination
  3. Select Sure
  4. Enter your Sure instance base URL (e.g., https://sure.yourdomain.com)
  5. Paste your API key
  6. Click Add Destination
3
Configure account sync:
  1. Select accounts: Choose which bank accounts to sync
  2. Set preferences: Choose sync options
  3. Click Save

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FAQ

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How often does data sync?

Lunch Flow syncs data to Sure daily. You can also manually trigger a sync at any time from the destination settings.

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Does my Sure instance need to be public?

Currently, yes. Your Sure instance needs to be accessible from the internet via HTTPS for Lunch Flow to connect to it. However, the upcoming better integration won’t require this - it will work without making your instance public. Upvote here to be notified when it’s available!

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