Overview
Wave offers free accounting for very small businesses. The integration stays lightweight—customer sync and invoice events—so micro SMBs get CRM value without enterprise accounting complexity.
What data is involved
- Customer profile fields and invoice/payment events.
Step-by-step setup
Sign in or sign up at HelloGrowthCRM. Open the login page, enter your credentials (or use Google), or choose Sign up if you need a new account. You must be signed in before you can open Settings and connect this integration.

Open login page(opens in a new tab)app.hellogrowthcrm.com/login
Open Settings. In the left sidebar, under Admin, click Settings (you will land on the Settings area; the URL is app.hellogrowthcrm.com/settings).

Open Settings(opens in a new tab)app.hellogrowthcrm.com/settings
Go to Integrations. On the Settings screen, use the middle settings menu. Under COMMUNICATION, click Integrations (star icon). Then find and configure this connector—the connector-specific steps below pick up from here.

Open Settings (Integrations)(opens in a new tab)app.hellogrowthcrm.com/settings
- Settings → Integrations → Wave → OAuth.
- Map CRM fields to Wave customer fields.
- Enable invoice sync from closed-won deals.
Best practices
- Keep categories simple; Wave is best for straightforward AR.
Best for & common use cases
Freelancers and micro SMBs using Wave for free accounting.
- Lightweight CRM + invoicing without enterprise complexity.
FAQ
Governance
Treat API keys and webhooks as production secrets. Align field mapping with your privacy policy and regional regulations (GDPR, marketing consent, telemarketing rules). Your admin controls which roles can install or edit integrations.