G2 website screenshot

G2

The G2 API provides programmatic access to G2's product, category, and review data. Use the API to integrate G2 data into your workflows and applications.

G2 publishes 1 API on the APIs.io network. Tagged areas include B2B, Software Discovery, and Software Reviews.

G2’s developer surface includes documentation, API reference, developer portal, signup flow, pricing, legal docs, support, and 11 more developer resources.

34.3/100 thin ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemium
1 APIs 5 Features 4 Use Cases
B2BSoftware DiscoverySoftware Reviews

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 34.3/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 6.1 / 20
Commercial Clarity 18.4 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 5.0 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/g2: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

G2 API

The G2 API provides programmatic access to G2's product, category, and review data. It enables developers to retrieve software product listings, user reviews, category taxonomie...

Pricing Plans 1

Published pricing tiers and plan structures.

G2 Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

G2 Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

G2 Finops

FINOPS

Features 5

Notable capabilities this provider offers.

Product Data Access

Retrieve detailed product listings including descriptions, ratings, and competitive positioning.

Review Syndication

Syndicate authenticated user reviews to your own platforms and partner sites.

Category Taxonomy

Access G2's comprehensive software category taxonomy for classification and discovery.

Competitive Intelligence

Compare products side-by-side using G2's crowd-sourced review data.

Buyer Intent Data

Access buyer intent signals showing which companies are researching products in your category.

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

G2 Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

G2 Trust Center

SOC 2, GDPR, CSA STAR

SECURITY

Use Cases 4

What developers build with this provider.

Review Aggregation

Pull and display G2 reviews on your own website or product pages.

Market Research

Analyze software categories and competitive landscapes using G2's product data.

Sales Intelligence

Leverage buyer intent data to identify prospects actively researching solutions.

Product Comparison

Build comparison tools using G2's product ratings and review data.

Integrations 5

Pre-built integrations with other platforms and tools.

Salesforce

Sync G2 buyer intent data and reviews directly into Salesforce CRM.

HubSpot

Integrate G2 data with HubSpot for marketing and sales workflows.

Slack

Receive notifications about new reviews and buyer intent signals in Slack.

LinkedIn

Leverage G2 data for LinkedIn advertising and account targeting.

Marketo

Push G2 buyer intent signals into Marketo for demand generation campaigns.

Resources

Get Started 3

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

Operate 2

Status, limits, changes, and where to get help

Commercial 4

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: g2
name: G2
description: The G2 API provides programmatic access to G2's product, category, and review data. Use the API to integrate
  G2 data into your workflows and applications.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/g2.png
access: 3rd-Party
url: https://raw.githubusercontent.com/api-evangelist/g2/refs/heads/main/apis.yml
created: '2026-03-24'
modified: '2026-04-18'
specificationVersion: '0.19'
tags:
- B2B
- Software Discovery
- Software Reviews
apis:
- aid: g2:g2-api
  name: G2 API
  description: The G2 API provides programmatic access to G2's product, category, and review data. It enables developers to
    retrieve software product listings, user reviews, category taxonomies, and competitive intelligence data from the world's
    largest B2B software marketplace. The API supports endpoints for products, categories, reviews, and syndication, and uses
    token-based authentication.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://data.g2.com
  humanURL: https://documentation.g2.com/docs/g2-api
  tags:
  - Categories
  - Products
  - Reviews
  - Software Discovery
  properties:
  - type: Documentation
    url: https://documentation.g2.com/docs/g2-api
  - type: APIReference
    url: https://data.g2.com/api/docs
  - type: Portal
    url: https://documentation.g2.com/docs/developer-portal
  - type: GettingStarted
    url: https://documentation.g2.com/docs/g2-api-information
  - type: Integrations
    url: https://documentation.g2.com/docs/integrations
common:
- type: TrustCenter
  url: security/g2-trust-center.yml
- type: DomainSecurity
  url: security/g2-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/g2crowd
- type: Documentation
  url: https://documentation.g2.com/docs/g2-api
- type: APIReference
  url: https://data.g2.com/api/docs
- type: Portal
  url: https://documentation.g2.com/docs/developer-portal
- type: Signup
  url: https://www.g2.com/users/sign_up
- type: Login
  url: https://www.g2.com/users/sign_in
- type: Pricing
  url: https://sell.g2.com/plans
- type: TermsOfService
  url: https://legal.g2.com/terms-of-use
- type: PrivacyPolicy
  url: https://legal.g2.com/privacy-policy
- type: Legal
  url: https://legal.g2.com/
- type: Support
  url: https://support.g2.com/s/
- type: Contact
  url: https://company.g2.com/contact
- type: Blog
  url: https://learn.g2.com/
- type: Partners
  url: https://partnerhub.g2.com/
- type: LinkedIn
  url: https://www.linkedin.com/company/g2dotcom
- type: X
  url: https://x.com/G2dotcom
- type: Features
  data:
  - name: Product Data Access
    description: Retrieve detailed product listings including descriptions, ratings, and competitive positioning.
  - name: Review Syndication
    description: Syndicate authenticated user reviews to your own platforms and partner sites.
  - name: Category Taxonomy
    description: Access G2's comprehensive software category taxonomy for classification and discovery.
  - name: Competitive Intelligence
    description: Compare products side-by-side using G2's crowd-sourced review data.
  - name: Buyer Intent Data
    description: Access buyer intent signals showing which companies are researching products in your category.
- type: UseCases
  data:
  - name: Review Aggregation
    description: Pull and display G2 reviews on your own website or product pages.
  - name: Market Research
    description: Analyze software categories and competitive landscapes using G2's product data.
  - name: Sales Intelligence
    description: Leverage buyer intent data to identify prospects actively researching solutions.
  - name: Product Comparison
    description: Build comparison tools using G2's product ratings and review data.
- type: Integrations
  data:
  - name: Salesforce
    description: Sync G2 buyer intent data and reviews directly into Salesforce CRM.
  - name: HubSpot
    description: Integrate G2 data with HubSpot for marketing and sales workflows.
  - name: Slack
    description: Receive notifications about new reviews and buyer intent signals in Slack.
  - name: LinkedIn
    description: Leverage G2 data for LinkedIn advertising and account targeting.
  - name: Marketo
    description: Push G2 buyer intent signals into Marketo for demand generation campaigns.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com