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How to Connect Apollo.io with Invoice Ninja (2026)

Apollo.io

Apollo.io

★★★★ 4.6
Prospecting Sales Outreach

Apollo.io is an all-in-one sales intelligence and engagement platform with a database of over 275 million contacts. It combines prospecting,…

Full Review
Invoice Ninja

Invoice Ninja

★★★★ 4.5
Finance Accounting Invoicing

A free open-source invoicing and payment platform for freelancers and small businesses with time tracking and proposals.

Full Review

About These Tools

Apollo.io: Apollo.io is an all-in-one sales intelligence and engagement platform with a database of over 275 million contacts. It combines prospecting, enrichment, and outreach automation in a single workflow.

Invoice Ninja: A free open-source invoicing and payment platform for freelancers and small businesses with time tracking and proposals.

Key Features

Apollo.io

  • Contact database
  • email sequencing
  • dialer
  • LinkedIn integration
  • buying intent signals
  • data enrichment

Invoice Ninja

  • Invoicing
  • Proposals
  • Payments
  • Time tracking
  • Expense tracking
  • Recurring invoices

Pricing

Apollo.io

Freemium $0-99/mo

Invoice Ninja

Freemium Free-$14/month

Detailed integration guide coming soon. We're researching the specific ways Apollo.io and Invoice Ninja work together — including native integrations, third-party connectors, and API options. Check back for a complete step-by-step guide.

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