Intelligent Business Legitimacy Assessment: Interzoid's Company Verification API
Not all businesses are what they claim to be. Knowing whether a company is legitimate and credible is essential for vendor vetting, partnership evaluation, fraud prevention, and investment decisions. Instead of manually researching companies or relying on limited data sources, Interzoid's Company Verification API provides an intelligent verification score from 0-99 with detailed reasoning in a single API call. This guide explains what it does, why it's useful, and how to get started with your own API key.
- 📘 API Reference: Company Verification API
- 🔑 Register for an API Key: www.interzoid.com/register-api-account
- 📖 Docs: Interzoid Documentation
What It Provides
The API uses advanced AI analysis and multiple data sources to evaluate business legitimacy and credibility. For each company name you submit, you receive:
- Verification score from 0-99 (higher indicates greater legitimacy)
- Detailed reasoning explaining the score factors
- Official website verification
- Employee presence on professional networks
- Business registration checking
- Social media profile assessment
- Domain reputation analysis
- Third-party verification checks
This intelligent scoring helps you automatically vet vendors, evaluate partnerships, prevent fraud, and make informed business decisions across procurement, sales, compliance, and investment systems.
Use Cases
- Fraud Prevention: Detect fake or shell companies before engaging in business relationships, protecting your organization from financial and reputational risk.
- Due Diligence: Streamline vendor vetting, partnership evaluation, and investment screening with automated company legitimacy assessment and credibility scoring.
- Lead Qualification: Prioritize high-quality prospects and filter out suspicious leads by verifying company authenticity and credibility in your sales pipeline.
- Business Process Automation: Route company verifications through different workflows based on legitimacy scores (e.g., high-scoring companies to fast-track approval, low-scoring to manual review).
How to Call the API
Base endpoint:
https://api.interzoid.com/getcompanyverification
Required parameters:
license- your API keylookup- company name to verify
Example request:
https://api.interzoid.com/getcompanyverification?license=YOUR_API_KEY&lookup=IBM
Curl with header:
curl --header "x-api-key: YOUR_API_KEY" \ "https://api.interzoid.com/getcompanyverification?lookup=IBM"
Example JSON response:
{
"Score": "99",
"Reasoning": "IBM is one of the most established and legitimate companies in the world. Founded in 1911 as Computing-Tabulating-Recording Company and renamed IBM in 1924, it has over 110 years of documented history. The company is publicly traded on NYSE under ticker IBM since 1915, making it one of the oldest technology companies on the exchange. IBM is headquartered in Armonk, New York, and operates in 175+ countries with approximately 270,000-300,000 employees globally.",
"Code": "Success",
"Credits": "434416"
}
Understanding the Scores
The API returns scores across the full 0-99 range. Here are real-world examples showing different legitimacy levels:
- High Legitimacy (95+): Fortune 500 companies like IBM or Microsoft score 98-99 - globally recognized corporations with extensive documentation, public trading, and verified operations make excellent business partners.
- Medium-High Legitimacy (80-94): Established private companies like Acme Manufacturing Inc. score 85 - legitimate businesses with business registration, employee verification, and solid online presence, but less extensive than public companies.
- Medium Legitimacy (50-79): Early-stage startups like TechStart Solutions LLC score 62 - legitimate but newer companies with basic website, verifiable employees, and business registration but limited track record.
- Very Low Legitimacy (0-35): Suspicious entities like Global Investment Partners Ltd. score 15 - show multiple red flags including recent domain registration, no business records, fake profiles, and residential addresses.
Getting Your API Key
You'll need to register for an Interzoid account to get an API key: www.interzoid.com/register-api-account. Once registered, you'll receive a license key with trial credits that you can use immediately to start verifying company legitimacy.
Best Practices
- Set score thresholds based on your use case (e.g., 90+ for critical partnerships, 70+ for vendor approval, flag below 50 for manual review).
- Use the detailed reasoning field to understand why scores are high or low and make informed decisions about business relationships.
- Batch process vendor lists or prospect databases using Interzoid's no-code cloud batch tool for high-volume verification.
- Always check the
Codefield in responses for proper error handling. - Monitor your credit usage via the
Creditsfield returned in each response.
The Company Verification API makes it easy to assess business legitimacy with intelligent, multi-source verification in a single API call. Whether for fraud prevention, due diligence, lead qualification, or partnership evaluation, it gives you the insights you need to make smart decisions about business relationships. Start today by registering for an API key and adding intelligent company verification directly into your workflows.