Tool Comparisons

    OnePageCRM vs The Companies API: CRM Platform vs Data Enrichment Tool Comparison

    Compare OnePageCRM (CRM platform) and The Companies API (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    September 4, 20266 min read
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    The short answer

    Compare OnePageCRM (CRM platform) and The Companies API (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    Reviewed and updated September 4, 2026

    OnePageCRM vs The Companies API: CRM Platform vs Data Enrichment Tool Comparison

    Sales teams building an outbound stack often weigh OnePageCRM, a CRM platform for customer relationship management and sales pipeline tracking, against The Companies API, a data enrichment tool for B2B lead data and contact enrichment. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.

    The Quick Answer

    OnePageCRM is a CRM platform for customer relationship management and sales pipeline tracking; The Companies API is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, OnePageCRM lists action stream to manage leads from a central workspace and deal tracking on a kanban board, and The Companies API lists domain to company profile enrichment and access to all 50m companies.

    The Companies API publishes an entry price of $0/mo; OnePageCRM uses custom pricing, so the two cannot be compared on list price.

    If your priority is organizing contacts, tracking deals, and forecasting revenue, OnePageCRM is the one built for it; for finding accurate contact data for target accounts, that is The Companies API. Many teams run one of each.

    Understanding the Core Difference

    OnePageCRM is OnePageCRM is a CRM for small business built around an Action Stream that turns every contact into a next action. It stores unlimited contacts, deals, fields and tags on all plans, and adds email sync, pipelines with forecasting, automation and email sequences.

    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.

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

    Pricing Comparison

    Contact SalesOnePageCRM entry plan

    Professional

    FreeThe Companies API entry plan

    Free

    Entry pricing for OnePageCRM and The Companies API, as published on each vendor's own pricing page.

    OnePageCRM Pricing (as of September 2026)

    PlanPrice
    ProfessionalContact Sales
    BusinessContact Sales
    MaxContact Sales

    Source: OnePageCRM Pricing

    The Companies API Pricing (as of September 2026)

    PlanPriceEmails
    FreeFree500 credits
    Startup$95/mo50000 credits per month
    Scaleup$295/mo250000 credits per month
    Enterprise$595/mo500000 credits per month

    Source: The Companies API Pricing

    Pricing Analysis

    One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.

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

    The Companies API includes a free tier, which is helpful for evaluating the platform without upfront cost.

    Features Breakdown

    OnePageCRM lists
    • Action Stream to manage leads from a central workspace
    • Deal tracking on a Kanban board
    • Unlimited Lead Enrichment & Capture
    • Full Email Sync with Bulk Send
    • Pipeline with Forecast View
    • Automated Email Sequences
    • and 2 more listed below
    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
    What OnePageCRM and The Companies API each list on their own pages. The split is by exact wording, so a capability both offer can appear on both sides under different names.

    OnePageCRM Key Features

    • Action Stream to manage leads from a central workspace
    • Deal tracking on a Kanban board
    • Unlimited Lead Enrichment & Capture
    • Full Email Sync with Bulk Send
    • Pipeline with Forecast View
    • Automated Email Sequences
    • Email Scheduling & Open Tracking
    • Mobile App with AI Card Scanner

    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

    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 OnePageCRM

    • Action Stream to manage leads from a central workspace
    • Deal tracking on a Kanban board
    • Unlimited Lead Enrichment & Capture
    • Full Email Sync with Bulk Send
    • Pipeline with Forecast View
    • Automated Email Sequences
    • Email Scheduling & Open Tracking
    • Mobile App with AI Card Scanner

    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

    Integration Ecosystem

    OnePageCRM Integrations

    OnePageCRM connects with: Gmail, Outlook, Mailchimp, MailerLite, Xero, QuickBooks, Aircall, Help Scout, ActiveCampaign, Apollo.io.

    The Companies API Integrations

    The Companies API connects with: .

    Integrations listed only by OnePageCRM: Gmail, Outlook, Mailchimp, MailerLite, Xero, QuickBooks, Aircall, Help Scout, ActiveCampaign, Apollo.io.

    Use Case Recommendations

    Best Fit for OnePageCRM

    • Teams that need a wide feature set (8 capabilities listed)
    • Organizations with complex tech stacks needing broad integration support (10 integrations)
    • Enterprise buyers who prefer custom pricing and dedicated support

    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

    Feature Comparison Summary

    FeatureOnePageCRMThe Companies API
    Starting PriceContact SalesFree
    Top Tier PriceContact Sales$595/mo
    Total Features Listed86
    Integrations100

    Getting Started Checklist

    1. Define your customer relationship management and sales pipeline tracking and B2B lead data and contact enrichment requirements and monthly budget
    2. Estimate your expected contacts and deals and 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

    OnePageCRM serves the customer relationship management and sales pipeline tracking side of an outbound stack and The Companies API the B2B lead data and contact enrichment side. The Companies API publishes an entry price (a free tier), while OnePageCRM uses custom pricing for its plans, so compare on features and on the quote you receive. 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 OnePageCRM and The Companies API for current information.

    OnePageCRMThe Companies APICRM PlatformData Enrichment ToolComparisoncrmdata-enrichment
    Byline

    About the author.

    Tim Carden

    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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