Validate and format identity and business document numbers with correct check digit verification. Confirm whether a number is valid and generate valid sample numbers for software testing.

Elevate your correspondence with the HTML Business Signature Generator API. Craft exquisite email signatures that mirror your brand's essence dynamically. Seamlessly integrate personalized signatures into your communication flow, leaving an indelible mark of professionalism and creativity.

Startup Funding Rounds API is a real-time venture intelligence engine delivering structured funding rounds, startup growth signals, and company data extracted from global sources via autonomous AI agents. Built for investors, sales teams, and market intelligence platforms.

Validate financial identifiers including EU VAT numbers against VIES, IBAN bank accounts with BIC lookup, credit and debit card numbers with Luhn check and issuer detection, and batch validation for processing multiple identifiers at once.

Secure your retail operations with the Card Authenticator API, validating customer creditworthiness for informed decisions.

Add professional text watermarks to any PDF document with full control over position, opacity, font size, color, and rotation. Stamp documents with CONFIDENTIAL, DRAFT, your brand name, or any custom text across every page. The watermark is rendered as selectable, high-quality text with Unicode support. Ideal for branding, copyright protection, document status marking, and legal workflows. Upload a PDF and receive a downloadable watermarked file.

Protect your NF-e XML files with our Secure Securee NF-e XML Validator API, delivering robust validation while keeping your data safe from breaches.

Ensure the highest security standards for your NF-e XML files using our Secure Secure NF-e XML Validatorr API to protect sensitive data.

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

Streamline FinTech communication with robust verification to enhance client trust and security.

The Text Encryption API offers robust security through SHA256 encryption. Easily encode sensitive information, transforming plain text into a secure SHA256 hash. Ideal for safeguarding passwords, confidential data, and more, ensuring your information remains private and protected. Streamline encryption processes with this powerful and efficient API.

Efficiently onboard clients with CNPJ KYC and KYB features for secure transactions.

Perform credit risk analysis and enrich CNPJ data to mitigate financial threats.

Financial and ownership data for Brazilian publicly traded companies, built from public records released by capital market regulators. Each result includes balance sheet, financial performance, major shareholders and share structure. An empty result means the company is not listed on the stock exchange.

Introducing HTML Business Email Footer API, a powerful tool that streamlines the process of creating professional, eye-catching signatures for users of all sizes.

Calculate your balloon payments easily, helping you manage large final payments effectively with our API.

Explore options to combine multiple loans effortlessly with our Loan Consolidation API for better financial management.

Discover the benefits of biweekly payments to accelerate your loan repayment with our practical calculation API.

Understand interest-only mortgage structures with our tool, offering clarity on potential costs and benefits.

Calculate global stamp duties with ease using our comprehensive Stamp Duty Calculator for any mortgage or loan.

Generate clear amortization schedules for your mortgages, allowing for better planning of your repayment strategy.

Quickly assess your debt-to-income ratio with our accurate tool, ensuring your mortgage approval success.

Determine your refinancing break-even point accurately, ensuring you make informed decisions with our intuitive tool.

Simplify interest calculations with the APR Calculator, helping you choose the best loan options available.

Evaluate your home buying possibilities with our Affordability Calculator, making budgeting simpler and smarter.