Connect Your Favorite Tools

Seamlessly integrate OINvoices with your existing workflow. Connect with popular accounting, CRM, and business tools.

Popular Integrations

Connect with the tools you already use and love

Payment
Stripe

Accept payments online with secure processing and automatic reconciliation.

Payment
PayPal

Enable PayPal payments for faster checkout and global reach.

Accounting
QuickBooks

Sync invoices and payments with your QuickBooks accounting system.

Accounting
Xero

Automatically sync your invoicing data with Xero for seamless bookkeeping.

CRM
Salesforce

Import customer data and sync deal information with Salesforce CRM.

CRM
HubSpot

Connect with HubSpot to streamline your sales and invoicing process.

Project
Trello

Create invoices directly from Trello cards and track project billing.

Project
Slack

Get notifications and manage invoices directly from your Slack workspace.

Integration Categories

Explore integrations by category

Payment Processors

Accept payments through multiple channels including credit cards, bank transfers, and digital wallets.

  • Stripe
  • PayPal
  • Square
  • Authorize.Net

Accounting Software

Sync your invoicing data with popular accounting platforms for seamless financial management.

  • QuickBooks Online
  • Xero
  • FreshBooks
  • Wave Accounting

CRM Systems

Connect your customer relationship management tools to streamline sales and billing.

  • Salesforce
  • HubSpot
  • Pipedrive
  • Zoho CRM

Build Custom Integrations

Need a custom integration? Our powerful API allows you to connect OINvoices with any system or build your own applications on top of our platform.

  • RESTful API with comprehensive documentation
  • Webhooks for real-time notifications
  • SDK libraries for popular programming languages
  • Sandbox environment for testing
View API Docs Contact Developer Support