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Build with G2’s API.

G2 is the world’s largest and most trusted software marketplace. When you connect to G2’s API, you get access to one of the largest databases of software reviews, ratings, market trends, and buyer intelligence through our powerful API.

Test G2 API

Why connect to the G2 API?

Access comprehensive software data including reviews, ratings, market trends, and buyer intelligence through our API.

3M+


authentic user reviews and ratings.

150k+


software products across 2K+ categories.

Real-time


market intelligence and trends.

API use cases.

From investment research to marketplace features, developers and companies use G2’s API to power innovative solutions across industries.

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Adding credibility.

Software marketplaces using G2 reviews to add credibility to software buying decisions.

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Capture in-market demand.

Marketing and sales tools to capture in-market demand and run ABM plays with buyer intent signal.

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Research platforms and analytics dashboards.

to power evaluations with market and category insights.

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Investor market strategy.

Strategy and information gathering for Investment platforms on relevant buyer behavior and market intelligence.

Popular integrations

  • Software marketplaces
    • Syndicate G2 Reviews
  • Go-to-Market tools
    • Action G2 Buyer Intent
  • Analytics dashboards
    • Enrich data
  • Investment platforms
    • Analyze software categories

Connect in minutes.

You can begin building with G2’s API in a few minutes. We offer comprehensive documentation and a sandbox environment to make integration seamless.

  • Get started with 1,000 API calls per month
  • Interactive API documentation and testing
  • Options for support for Python, JavaScript, and more
Quick start guide

Scale with partnerships.

When you connect to the G2 API, it is the first step in becoming part of the G2 partner community. As customer adoption and usage grows, explore deeper collaboration opportunities within G2’s partnership programs.

  • Technology partners for ISVs
  • Solution partnerships for agencies
  • Data partnerships for investors
Explore partnerships

“We see the partnership with G2 as a way to enhance and accelerate the value delivered by Noded AI. By tapping into G2 Data, Content, and Signals, we’re delivering new ways to help our customers act faster and smarter, setting the stage for stronger engagement, differentiation, and future growth.”

Steve Wood
Co-founder

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Why connect to the G2 API?

Access comprehensive software data including reviews, ratings, market trends, and buyer intelligence through our API.