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The Companies API

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The Enrichment API to Search 54 Million Businesses
Benefit from our algorithms to enrich information companies and their employees. Our enrichment API is updated daily, so you can enrich with confidence.
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30% off on annual plan

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This deal is available to new customers or customers on a free plan of the tool.
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📅 April 2026 -

 Our promo code verified with the software 

The Companies API

Benefit from 30% off on annual plan on The Companies API.

Save 30% off on annual plan on The Companies API thanks to our exclusive partnership.1

Freelance Stack is the first deals platform to access best discounts, coupon codes and credits on 650+ software, SaaS and online services for entrepreneurs and startups. We offer exclusive and validated discounts that we negotiate directly with partners to help you to grow and save money. Our coupon codes enable thousands of entrepreneurs, startups, freelancers and consultants to save thousands of euros on best software.

Don't wait any longer and save 30% off on annual plan on The Companies API.

📄 Information about 

The Companies API

The Companies API is a programming interface that enables developers to access detailed data on companies worldwide. It provides information such as contact details, business sectors, company sizes and financial data, making it easy to integrate this data into applications and systems.

This API is particularly useful for companies wishing to enrich their databases, carry out market analyses or automate prospecting processes. In short, The Companies API offers a practical solution for accessing crucial company information and improving decision-making.

The enrichment API for companies and employees. Optimize your product or sales machine with our enrichment API for companies and employees.

Discover our features:

  • Search or enrich companies
  • Identify or enrich employees
  • Browse our industries
  • Browse our professions
  • Browse our locations
  • Manage your lists

Finally, an enrichment API with affordable plans: Join thousands of marketers & developers who use our data to enrich their product features, marketing tools or CRM.

📋 The Companies API features:

In this section, you will find our opinion the main features of The Companies API. All of these features are subject to regular updates. We recommend that you check that they are available before purchasing any software.

The Companies API is a business data enrichment solution designed for developers and technical teams looking to automate the collection of business information. This API provides structured, up-to-date data on millions of companies worldwide, transforming the way applications access B2B information. The tool is particularly suited for development teams working on CRMs, lead generation platforms, due diligence tools, or market analysis solutions.

The key strength of The Companies API lies in its ability to provide real-time, enriched data from multiple, verified sources. Unlike static solutions that require manual updates, this API maintains a dynamic database that continuously synchronizes with the latest available information. This approach ensures that applications integrating it always have the freshest and most accurate data for their business processes.

The technical architecture of The Companies API is designed to integrate seamlessly into existing workflows, offering comprehensive documentation and SDKs in multiple programming languages. This developer-friendly approach enables teams to quickly deploy data enrichment features without having to manage the complexity of collecting and standardizing company data.

  • Automatic business data enrichment: The API instantly retrieves detailed information about a company based on its name, website domain, or SIRET number. The system returns structured data including full contact details, company size, industry sector, and basic financial information, thereby enabling the complete automation of enrichment processes that previously required hours of manual research.
  • Comprehensive multi-source database: The Companies API aggregates and standardizes data from official registries, public sources, and commercial databases to provide global coverage. This multi-source approach ensures greater accuracy and comprehensiveness than solutions based on a single data source, which is particularly important for companies operating across multiple geographic markets.
  • Search and Discovery API: The platform offers advanced search endpoints that allow users to filter companies based on multiple criteria, such as location, size, industry, or revenue. This feature is particularly useful for sales and marketing teams looking to identify qualified leads or analyze their target market programmatically.
  • Web Domain Detection and Validation: The tool includes specialized features to validate the existence and ownership of corporate web domains. This capability automatically verifies the validity of contact information and identifies expired or fraudulent domains, thereby reducing the risk of errors in customer databases.
  • Real-time monitoring and alerts: The Companies API can monitor changes to information about specific companies and send automatic notifications when significant changes are detected. This feature allows users to stay informed about developments regarding their prospects or business partners without the need for manual monitoring.
  • Native CRM integration: The solution offers preconfigured connectors for the leading CRM platforms on the market, enabling two-way data synchronization. This native integration eliminates the need for complex custom development and ensures that sales teams always work with up-to-date information in their day-to-day tools.
  • Geolocation and mapping APIs: The tool provides accurate geographic data and mapping features to visualize the geographic distribution of businesses. These capabilities are particularly useful for geographic analysis and sales planning, enabling the optimization of prospecting strategies by geographic area.

This combination of features makes The Companies API a versatile and powerful tool for any organization looking to automate and improve its corporate data management processes, while maintaining a high level of data quality and freshness.

📊 The Companies API Pros and Cons:

This section provides a summary of the advantages and limitations of using The Companies API on a daily basis. We are not paid or influenced by brands, and this content is solely our own. These features, their advantages and disadvantages are likely to change regularly, both positively and negatively. If you have complex needs, we invite you to contact the software publisher directly for more information about your requirements. 

👍 Pros with The Companies API:

  • Automated business data enrichment: The Companies API lets you instantly retrieve comprehensive information about any company using just a domain name or business name. No more tedious manual searches or outdated databases. The API automatically retrieves contact details, legal information, headcount, industry, and many other essential details. This automation saves you hours of prospecting time, although for information that is highly time-sensitive-such as executives or headcount-it is still advisable to periodically verify the freshness of the retrieved data.
  • Seamless integration with your existing tools: One of the key strengths of this solution is its ability to integrate seamlessly with your current technology ecosystem. Whether you use a CRM like Salesforce or HubSpot, marketing automation tools, or business intelligence solutions, The Companies API connects easily thanks to its standard REST endpoints. This broad compatibility saves you from costly and complex migrations, while enriching your existing workflows with high-quality business data.
  • Strong geographic coverage with a focus on Western markets: The Companies API offers robust coverage of North American and European markets, with highly accurate localized data including French NAF codes, SIRET numbers, and country-specific sector classifications. This level of geographic detail is a real asset for companies operating in these markets. For the Asia-Pacific, Africa, and South America regions, data density and accuracy are more uneven, which is something to consider if your business requires balanced coverage in emerging markets.
  • Technical reliability and optimized performance: The Companies API is designed to meet the most demanding production requirements, with guaranteed availability and exceptionally fast response times. The distributed infrastructure ensures minimal latency regardless of your geographic location, while the intelligent caching system optimizes repeated requests. Comprehensive technical documentation and SDKs available in multiple languages greatly simplify implementation, even for developers with less experience using enterprise data APIs.
  • Transparent and scalable pricing model: The Companies API’s pricing system stands out for its clarity and adaptability to different usage volumes. Unlike solutions that charge you based on opaque criteria, you pay only for the requests you make, with tiered pricing that decreases as your usage increases. This approach allows startups to get started with manageable budgets while offering established companies competitive rates for high-volume usage. Additionally, the lack of a long-term commitment gives you the flexibility to adjust your usage according to your actual needs.
  • Enriched data and advanced predictive scores: Beyond basic company information, The Companies API provides sophisticated analytical data such as financial health scores, growth indicators, and the likelihood of a company closing. These predictive metrics, calculated using machine learning algorithms, allow you to prioritize your prospects, assess customer risk, or identify sales opportunities. This built-in artificial intelligence transforms raw data into actionable insights that your sales and marketing teams can use immediately.

👎 Cons with The Companies API:

  • Uneven geographic coverage: Although The Companies API has a substantial database, the quality and density of the information vary considerably by region. North American and European companies benefit from a much higher level of detail than Asian, African, or South American companies. This disparity can be problematic if your business requires a balanced global perspective or if you are specifically targeting emerging markets where data is more fragmented.
  • Data freshness not guaranteed: The API does not provide a consistent indicator of when a company’s information was last updated. As a result, you may retrieve outdated data without being notified, particularly regarding contact information, headcount, or executive leadership. This limitation is critical in situations where the timeliness of the data is essential to the success of your sales or prospecting efforts.
  • Query limits and scalable costs: Pricing plans impose monthly quotas that can quickly become restrictive for heavy usage. Upgrading to higher-tier plans represents a significant investment, and exceeding quotas results in additional costs that are difficult to predict. This pricing structure can hinder your project’s growth if your data needs increase unexpectedly.
  • Quality varies depending on company size: The API performs exceptionally well for large corporations and publicly traded companies, but data on SMEs, startups, and family-owned businesses is often incomplete or missing. Financial information, detailed organizational charts, and details on the technologies used are frequently unavailable for these smaller entities, limiting the tool’s effectiveness in targeting this segment of businesses.
  • Integration complexity for certain use cases: While the API remains technically accessible, certain use cases require significant development work to fully leverage the data. Standardizing and cleaning the retrieved information often involves a considerable amount of additional work. Furthermore, the lack of certain advanced filters may force you to retrieve more data than necessary and then process it on the client side.

💰 The Companies API pricing:

All prices listed are taken from the The Companies API software website. However, these prices are subject to change regularly. We recommend that you check them directly on each software's website to be sure. 

The Companies API offers a pricing structure based on monthly API call volume, allowing developers and businesses to choose the plan that best suits their business data enrichment needs.

Our pricing plans are designed to support growth, from development projects to enterprise applications that require a high volume of requests.

 

Plan Rates Included
Free $0/month 100 calls per month, basic data access, community support
Starter $29/month 1,000 calls per month, enhanced data, email support
Growth $99/month 5,000 calls/month, full data, webhooks, priority support
Pro $299/month 20,000 calls per month, real-time data, guaranteed SLA, dedicated support
Enterprise Upon request Customized capacity, dedicated infrastructure, custom integration

💬 Frequently asked questions about The Companies API's promo:

In this section, you will find all the main questions you may have about accessing this discount. We wanted to provide you with as much information as possible to help you save as much as possible on your software subscriptions. 

1️⃣ How to access to the deal with The Companies API?

This promo code allows you to save money and enjoy premium features on The Companies API paid plans and subscriptions. Check the eligibility criteria on this page to see if you can benefit from this discount. Don't miss out on the opportunity to pay less for your subscription to one of the best tools on the market.

2️⃣ Why Freelance Stack can help you to access to The Companies API discount?

As a partner of The Companies API, you can easily save on your subscription to this software. Without us or another affiliate partner, you will have difficulties to activate the discount. We are the largest discount promo code platform for software and SaaS in the world.

3️⃣ How to use The Companies API deal?

To use the discount with The Companies API, you need to click on the various buttons that may be available on the right side of the deal page and follow the instructions to unlock this promotion.

4️⃣ What are The Companies API's promo requirements?

We specify all the terms and conditions on each deal page. You must click on the various buttons on the deal page to view all the terms and conditions. This deal is available to new customers or customers on a free plan with The Companies API.

🔄 Alternatives to The Companies API software:

Find the right software with our suggestions for alternative solutions.

When growing a business, comparing the right tools is essential. With thousands of options available, these solutions are strong alternatives to The Companies API 
Indeed, The Companies API is a solution that can adapt according to your needs:

1️⃣ If you are a freelancer or consultant:

As a freelancer, you need affordable tools that are easy to integrate. Clearbit is an excellent option, with its data enrichment API that lets you retrieve detailed information about your prospects with just a few lines of code. Their free plan offers 100 monthly requests, perfect for getting started with your data enrichment projects. Hunter.io is particularly well-suited if you’re focused on finding business email addresses, with an intuitive interface and tiered pricing based on your needs. For a more cost-effective approach, RapidAPI aggregates numerous business data APIs at competitive prices, allowing you to test different sources before committing. This platform gives you the flexibility to switch APIs based on your client projects without having to overhaul your technical architecture.

2️⃣ If you are a startup:

Startups are looking for scalable solutions that grow alongside their business. Apollo.io combines data enrichment and prospecting tools into an all-in-one platform, ideal for your sales teams that need to quickly qualify leads. Their freemium model lets you get started without an upfront investment, then scale as your business grows. ZoomInfo offers a more comprehensive database with advanced segmentation features, particularly useful if you’re targeting specific markets or niche industries. For a more technical approach, Pipl excels at identifying individuals using both public and private data-perfect if your product requires in-depth identity verification. These solutions let you automate your qualification process while maintaining a data-driven approach to your business development.

3️⃣ If you are a small business or an SME:

Small and medium-sized businesses prioritize value for money and ease of use. Leadfeeder integrates directly with Google Analytics to identify companies visiting your website, turning your existing traffic into concrete sales opportunities. This passive approach eliminates the need to actively search for leads while maximizing your marketing ROI. Salesforce Data.com offers built-in data enrichment within their CRM, simplifying your sales workflow if you’re already using their ecosystem. For a more affordable solution, Lusha provides a handy browser extension that enriches your contacts directly from LinkedIn or your CRM, with pricing tailored for small teams. These tools allow you to significantly improve the quality of your customer data without requiring advanced technical skills or significant development investments.

Otherwise, these other software programs may also be a good alternative to The Companies API

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