G2

Software review and research platform for B2B buyers. Access reviews, product data, competitor comparisons, and buyer intent signals.

Capabilities

Authentication

• Type: API Token
• Header: Authorization: Token token={YOUR_API_TOKEN}
• Content-Type: application/vnd.api+json (JSON:API)
• Get token: G2 Admin Portal > Integrations > API Tokens
• Docs: https://data.g2.com/api/docs

Common Agent Operations

List reviews (survey responses)

GET https://data.g2.com/api/v1/survey-responses?page[size]=25&page[number]=1

Headers:
  Authorization: Token token={API_TOKEN}
  Content-Type: application/vnd.api+json

Get a specific review

GET https://data.g2.com/api/v1/survey-responses/{id}

Headers:
  Authorization: Token token={API_TOKEN}
  Content-Type: application/vnd.api+json

Filter reviews by product

GET https://data.g2.com/api/v1/survey-responses?filter[product_id]={product_id}&page[size]=25

Headers:
  Authorization: Token token={API_TOKEN}
  Content-Type: application/vnd.api+json

List products

GET https://data.g2.com/api/v1/products?page[size]=25&page[number]=1

Headers:
  Authorization: Token token={API_TOKEN}
  Content-Type: application/vnd.api+json

Get a specific product

GET https://data.g2.com/api/v1/products/{id}

Headers:
  Authorization: Token token={API_TOKEN}
  Content-Type: application/vnd.api+json

List reports

GET https://data.g2.com/api/v1/reports?page[size]=25&page[number]=1

Headers:
  Authorization: Token token={API_TOKEN}
  Content-Type: application/vnd.api+json

List categories

GET https://data.g2.com/api/v1/categories?page[size]=25&page[number]=1

Headers:
  Authorization: Token token={API_TOKEN}
  Content-Type: application/vnd.api+json

Get competitor comparisons

GET https://data.g2.com/api/v1/competitor-comparisons?filter[product_id]={product_id}&page[size]=25

Headers:
  Authorization: Token token={API_TOKEN}
  Content-Type: application/vnd.api+json

Get tracking events (buyer intent)

GET https://data.g2.com/api/v1/tracking-events?filter[start_date]=2025-01-01&filter[end_date]=2025-12-31

Headers:
  Authorization: Token token={API_TOKEN}
  Content-Type: application/vnd.api+json

API Pattern

G2 follows the JSON:API specification (https://jsonapi.org/):

• Responses use data, attributes, relationships, meta structure
• Pagination: page[number] and page[size] query parameters
• Filtering: filter[field]=value query parameters
• Reviews returned newest-first by default (10 per page default)

Key Metrics

Review Metrics

• star_rating - Overall star rating
• title - Review title
• comment_answers - Structured review responses (likes, dislikes, recommendations)
• submitted_at - Review submission date
• is_public - Whether the review is publicly visible

Product Metrics

• name - Product name
• slug - URL slug on G2
• avg_rating - Average star rating
• total_reviews - Total review count
• category - G2 category placement

Buyer Intent (Tracking)

• company_name - Visiting company name
• page_visited - G2 page URL visited
• visited_at - Visit timestamp
• activity_type - Type of buyer activity

Parameters

Pagination

• page[number] - Page number (default: 1)
• page[size] - Items per page (default: 10, max: 100)

Review Filters

• filter[product_id] - Filter by product ID
• filter[state] - Filter by review state

Tracking Filters

• filter[start_date] - Start date (YYYY-MM-DD)
• filter[end_date] - End date (YYYY-MM-DD)

When to Use

• Monitoring and analyzing software product reviews
• Tracking buyer intent signals from G2 visitors
• Pulling competitor comparison data for positioning
• Feeding review data into CRM or marketing automation
• Building social proof content from G2 reviews
• Tracking G2 category rankings and report placements

Rate Limits

• 10,000 requests per hour per API token
• Implement exponential backoff on 429 responses
• Cache results where possible to reduce API calls

Relevant Skills

• competitor-alternatives
• social-proof
• reputation-management
• customer-feedback
• review-generation