The Companies API vs Zeliq: Data Enrichment Tool vs Sales Engagement Platform Comparison
Compare The Companies API (data enrichment tool) and Zeliq (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 Zeliq (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 Zeliq: Data Enrichment Tool vs Sales Engagement Platform Comparison
The Companies API (data enrichment tool) and Zeliq (sales engagement platform) sit next to each other in many outbound stacks. They are not substitutes for each other on every job, so this comparison covers pricing, features, and integrations for each and points out where the two meet.
The Quick Answer
The Companies API is a data enrichment tool for B2B lead data and contact enrichment; Zeliq 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 Zeliq lists multichannel sequences across email, call and social and lead search with basic and advanced filters.
Both start at the same price point ($0/mo), so the decision comes down to features and workflow fit.
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 Zeliq. 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.
Zeliq is Sales prospecting and engagement platform that combines a lead search and waterfall enrichment hub with multichannel sequences across email, calls and social, plus a connected dialer and CRM sync.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
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
Zeliq Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Basic | Free | Import up to 100 leads per month | Run 2 active sequences (emails only) |
| Starter | $59/mo | 750 credits / month | 75 phone numbers or 750 emails |
| Custom | Contact Sales | Starts as from 24k credits/user/year | - |
Source: Zeliq Pricing
Pricing Analysis
Both platforms start at the same $0/mo price point. The decision comes down to which feature set and tier structure works better for your expected usage.
The Companies API offers 4 pricing tiers compared to Zeliq's 3, giving you more granularity as you scale.
Both platforms offer free tiers, so you can test each one before spending anything.
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
- Multichannel sequences across email, call and social
- Lead search with basic and advanced filters
- Enrichment Hub with waterfall enrichment
- Chrome extension for enrichment
- Lead engagement scoring
- Dialer connection for calling from the platform
- 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
Zeliq Key Features
- Multichannel sequences across email, call and social
- Lead search with basic and advanced filters
- Enrichment Hub with waterfall enrichment
- Chrome extension for enrichment
- Lead engagement scoring
- Dialer connection for calling from the platform
- Social automation
- SDR and manager cockpits for reporting
- Two-way CRM integration to pull and push records
- Enrichment API
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 Zeliq
- Multichannel sequences across email, call and social
- Lead search with basic and advanced filters
- Enrichment Hub with waterfall enrichment
- Chrome extension for enrichment
- Lead engagement scoring
- Dialer connection for calling from the platform
- Social automation
- SDR and manager cockpits for reporting
- Two-way CRM integration to pull and push records
- Enrichment API
Integration Ecosystem
The Companies API Integrations
The Companies API connects with: .
Zeliq Integrations
Zeliq connects with: HubSpot, Salesforce, Pipedrive, Aircall, Ringover, Gmail, Microsoft, API.
Integrations listed only by Zeliq: HubSpot, Salesforce, Pipedrive, Aircall, Ringover, Gmail, Microsoft, API.
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 Zeliq
- Budget-conscious teams looking for an affordable sales engagement platform
- Teams that need a wide feature set (10 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (8 integrations)
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | The Companies API | Zeliq |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | $595/mo | Contact Sales |
| Total Features Listed | 6 | 10 |
| Integrations | 0 | 8 |
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 Zeliq the multi-channel sales outreach and engagement tracking side. The Companies API offers a more accessible entry point, while Zeliq starts at $0/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 Zeliq 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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