The Companies API vs Zeekeo: Data Enrichment Tool vs Sales Engagement Platform Comparison
Compare The Companies API (data enrichment tool) and Zeekeo (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare The Companies API (data enrichment tool) and Zeekeo (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 4, 2026
The Companies API vs Zeekeo: Data Enrichment Tool vs Sales Engagement Platform Comparison
The Companies API is a data enrichment tool; Zeekeo is a sales engagement platform. Whether you need one, the other, or both depends on which part of the workflow you are buying for: B2B lead data and contact enrichment on one side, multi-channel sales outreach and engagement tracking on the other. This guide lays out what each vendor publishes.
The Quick Answer
The Companies API is a data enrichment tool for B2B lead data and contact enrichment; Zeekeo is a sales engagement platform for multi-channel sales outreach and engagement tracking. By each vendor's own wording, The Companies API lists domain to company profile enrichment and access to all 50m companies, and Zeekeo lists email + linkedin outreach and ai-powered messaging & sequences.
The Companies API offers a lower entry point at $0/mo compared to Zeekeo at $149/mo.
If your priority is finding accurate contact data for target accounts, The Companies API is the one built for it; for coordinating outreach across email, phone, and social channels, that is Zeekeo. Many teams run one of each.
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.
Zeekeo is Outbound platform that runs email and LinkedIn campaigns from one system, with prospecting and data enrichment, AI-powered messaging and sequences, A/B testing and reply intelligence. Sold either as self-serve seats or as a managed service where Zeekeo builds and runs the outbound motion.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Free
Zeekeo DIY
The Companies API Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Free | Free | 500 credits |
| Startup | $95/mo | 50000 credits per month |
| Scaleup | $295/mo | 250000 credits per month |
| Enterprise | $595/mo | 500000 credits per month |
Source: The Companies API Pricing
Zeekeo Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Zeekeo DIY | $149/mo | Per seat; volume discounts on more seats | Not published |
| Zeekeo Done-For-You | Contact Sales | Managed service | Not published |
Source: Zeekeo Pricing
Pricing Analysis
The Companies API is more affordable at the entry level ($0/mo vs $149/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment and multi-channel sales outreach and engagement tracking, this price difference matters.
The Companies API offers 4 pricing tiers compared to Zeekeo's 2, giving you more granularity as you scale.
The Companies API includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- 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
- Email + LinkedIn outreach
- AI-powered messaging & sequences
- Smart campaign automation
- A/B testing & optimization
- Analytics & performance dashboards
- AI-generated responses & insights
- and 4 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
Zeekeo Key Features
- Email + LinkedIn outreach
- AI-powered messaging & sequences
- Smart campaign automation
- A/B testing & optimization
- Analytics & performance dashboards
- AI-generated responses & insights
- LinkedIn post creation & scheduling
- Image & GIF personalization
- Workflow automation
- Targeted calling & appointment setting
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 Zeekeo
- Email + LinkedIn outreach
- AI-powered messaging & sequences
- Smart campaign automation
- A/B testing & optimization
- Analytics & performance dashboards
- AI-generated responses & insights
- LinkedIn post creation & scheduling
- Image & GIF personalization
- Workflow automation
- Targeted calling & appointment setting
Integration Ecosystem
The Companies API Integrations
The Companies API connects with: .
Zeekeo Integrations
Zeekeo connects with: HubSpot, Salesforce, Zapier, Google, Microsoft.
Integrations listed only by Zeekeo: HubSpot, Salesforce, Zapier, Google, Microsoft.
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 Zeekeo
- Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
- Teams that need a wide feature set (10 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (5 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | The Companies API | Zeekeo |
|---|---|---|
| Starting Price | Free | $149/mo |
| Top Tier Price | $595/mo | Contact Sales |
| Total Features Listed | 6 | 10 |
| Integrations | 0 | 5 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment and multi-channel sales outreach and engagement tracking requirements and monthly budget
- Estimate your expected data credits or contact lookups and sequences and engagement actions to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
The Companies API serves the B2B lead data and contact enrichment side of an outbound stack and Zeekeo the multi-channel sales outreach and engagement tracking side. The Companies API offers a more accessible entry point, while Zeekeo starts at $149/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 Zeekeo for current information.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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