The Companies API vs UserGems: Data Enrichment Tool Comparison

The Companies API vs UserGems: Data Enrichment Tool Comparison

The Companies API and UserGems are both data enrichment tools. Choosing between them depends on your team size, budget, and specific B2B lead data and contact enrichment requirements. Here is what each vendor publishes about pricing, features, and integrations.

The Quick Answer

By each vendor's own wording, The Companies API lists domain to company profile enrichment and access to all 50m companies, while UserGems lists build list (create & enrich) and account & contact scoring. A capability both offer can appear under different names, so read both feature lists below.

The Companies API offers a lower entry point at $0/mo compared to UserGems at $3333/mo.

If your priority is finding accurate contact data for target accounts, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.

Understanding the Core Difference

The Companies API is The Companies API is a company enrichment API that turns a domain name into a structured company profile with firmographics such as industry, employee count, founding year and revenue across 50 million companies. Plans are monthly credit allowances with a request-rate limit.

UserGems is Surfaces companies and buyers showing buying signals, then discovers, enriches and scores the matching accounts and contacts. Deploys AI agents to run outbound and account-based marketing from those signals.

The two platforms take different approaches to solving the same core challenge.

Pricing Comparison

FreeThe Companies API entry plan

Free

$3333/moUserGems entry plan

Core

The Companies API Pricing (as of September 2026)

Source: The Companies API Pricing

UserGems Pricing (as of September 2026)

Source: UserGems Pricing

Pricing Analysis

The Companies API is more affordable at the entry level ($0/mo vs $3333/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment, this price difference matters.

The Companies API offers 4 pricing tiers compared to UserGems's 3, giving you more granularity as you scale.

The Companies API includes a free tier, letting you test the platform before committing financially.

Features Breakdown

The Companies API lists

• Domain to company profile enrichment
• Access to all 50M companies
• Firmographics: industry, employee count, founding year, revenue
• Company lists
• Additional credits at a per-1,000 rate
• Rate-limited API by plan

UserGems lists

• Build List (create & enrich)
• Account & Contact Scoring
• Automated Campaigns
• Writing Agent
• Research Agent
• AI Co-pilot Chrome Extension
• and 2 more listed below

The Companies API Key Features

• Domain to company profile enrichment
• Access to all 50M companies
• Firmographics: industry, employee count, founding year, revenue
• Company lists
• Additional credits at a per-1,000 rate
• Rate-limited API by plan

UserGems Key Features

• Build List (create & enrich)
• Account & Contact Scoring
• Automated Campaigns
• Writing Agent
• Research Agent
• AI Co-pilot Chrome Extension
• Contact-level Intent & Web Deanonymization
• CRM Hygiene

The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.

Listed only by The Companies API

• Domain to company profile enrichment
• Access to all 50M companies
• Firmographics: industry, employee count, founding year, revenue
• Company lists
• Additional credits at a per-1,000 rate
• Rate-limited API by plan

Listed only by UserGems

• Build List (create & enrich)
• Account & Contact Scoring
• Automated Campaigns
• Writing Agent
• Research Agent
• AI Co-pilot Chrome Extension
• Contact-level Intent & Web Deanonymization
• CRM Hygiene

Integration Ecosystem

The Companies API Integrations

The Companies API connects with: .

UserGems Integrations

UserGems connects with: Salesforce, Hubspot, Outreach, Salesloft, Gong Engage, Linkedin, Meta, Google.

Integrations listed only by UserGems: Salesforce, Hubspot, Outreach, Salesloft, Gong Engage, Linkedin, Meta, Google.

Use Case Recommendations

Best Fit for The Companies API

• Budget-conscious teams looking for an affordable data enrichment tool
• Teams that want to start free and scale up as needs grow
• Revenue operations teams building targeted prospect lists
• Marketing teams enriching CRM data for segmentation

Best Fit for UserGems

• Mid-market to enterprise teams with established B2B lead data and contact enrichment budgets
• Teams that need a wide feature set (8 capabilities listed)
• Organizations with complex tech stacks needing broad integration support (8 integrations)

Feature Comparison Summary

Getting Started Checklist

1. Define your B2B lead data and contact enrichment requirements and monthly budget
2. Estimate your expected data credits or contact lookups to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. Evaluate the onboarding experience and support quality

Final Thoughts

The Companies API and UserGems both serve the B2B lead data and contact enrichment market. The Companies API offers a more accessible entry point, while UserGems starts at $3333/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.

Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.

Pricing and features verified as of September 2026. Visit The Companies API and UserGems for current information.