Validate and score email addresses in real time — syntax, domain/MX, disposable, role-based and typo detection. Every check except SMTP, in a single fast call.

The Strong Password Evaluator API evaluates password security by analyzing complexity and assessing potential vulnerabilities, thereby improving overall security measures.

Receive a domain and a keyword, returning advanced SEO metrics: backlinks, authority, references, positions, inlink rank, and contextual relevance.

The Expression Evaluation API is a versatile natural language calculator that can evaluate mathematical expressions and return the results in plain text. Simply input the expression to be evaluated, and the API will scan and compute the calculation, making it an easy-to-use tool for developers who want to incorporate a calculator function into their applications.

Assess your email content's effectiveness and optimize engagement with our Email Content Quality Assessment API.

Unleash the Link Examiner API to revolutionize your digital investigations. Seamlessly validate web addresses, unravel geographic intricacies, and uncover the essence of each link. From pinpointing locations to deciphering ISPs, this API empowers you to navigate the virtual landscape with precision, ensuring every link is an open book.

The API provides key metrics on authority, links, and risk, allowing you to accurately evaluate domains, detect anomalies, and anticipate potential problems.

Digital Signature Verification API ensures compliance by validating electronic signatures, including QES and AdES.

The Domain SEO Evaluation API is a powerful tool that allows developers and SEO professionals to gain valuable insights into the SEO performance of a given domain. By leveraging this API, users can access a wide range of SEO metrics and data points that can inform and optimize their digital marketing strategies.

Extract detailed Trustpilot feedback efficiently for deeper analysis and improved customer engagement strategies.

The Text Keyword Evaluator API evaluates keyword occurrence within text, delivering valuable insights to refine content and improve search engine visibility.

The Keyword Evaluator API assesses keyword competitiveness, aiding SEO strategies by providing real-time insights for informed decision-making.

Fetch comprehensive evaluations of your email quality to enhance communication and boost performance.

Extract normalized professional skills from text in any language. Works where English-only parsers fail: catches implicit soft skills and returns clean, structured JSON with confidence scores.

Boost student understanding with the EdTech Readability Improvement API designed for educational content.

Score one working relationship across up to 5 jurisdictions at once, or compare jurisdictions' legal tests and penalty exposure side by side, to find the safest place to engage a role.

Score misclassification risk (0–100) across 20 jurisdictions from a structured description of a working relationship, with the legal test applied and factor-by-factor reasoning.

Score misclassification risk before placing a worker in any of 20 jurisdictions, with financial exposure estimates and remediation guidance for EOR and payroll teams.

Score IR35 and off-payroll working risk for UK engagements, alongside 19 other jurisdictions' classification tests, with factor-by-factor reasoning.

Bulk-score up to 100 existing contractor relationships in one call, with per-worker risk levels and aggregate statistics to flag your highest-risk workers first.

Evaluate website trustworthiness with our Analyze Website Authority Scores API for informed decisions.

Utilize the IP Risk Evaluation Fetch API to uncover vulnerabilities and protect your digital assets.

Enhance freelance interactions with our API to verify email trustworthiness for project collaboration.

Leverage the Domain Authority Evaluation API to assess competitors and boost your online presence effectively.

Facilitates advanced searches on Google, returning detailed results with rankings, descriptions, links, and domain authority metrics.