Convert numbers to perfectly formatted text across 28 languages and over 35 predefined currencies. Our API handles standard, formal, and check writing formats with support for custom currencies. Perfect for financial documents, legal contracts, invoices, and multilingual applications. Simple integration with comprehensive documentation.

A comprehensive identity verification suite providing high-performance tools for document validation and data extraction. MRZ Parser: Fully compliant with ICAO standards (TD1, TD2, TD3, MRVA, MRVB) to extract identity info, document types, and all data from Machine Readable Zones. Document Number Validation: Checksum and format verification for Polish ID cards, Passports, Driving Licenses, and more (9-character alphanumeric support). Polish Identity Validators: Dedicated endpoints for local identifiers: PESEL: National ID number validation. NIP: Tax Identification Number (handles formatted and raw input). REGON: Business registry numbers (supports both 9 and 14-digit formats).

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.

The Digit to Word Conversion API seamlessly transforms numerical data into words, enhancing readability and providing a clear linguistic representation.

Historical Metal Market API provides instant and past pricing for precious and industrial metals. Supports integration with apps, tools, and financial software.

Extract crucial information from Indonesian National IDs quickly for streamlined user verification processes.

Access comprehensive Indonesian ID data effortlessly for authentication and verification needs.

Global Metals Rates API delivers up-to-date and past metal prices like gold, silver, and copper—ideal for financial apps, dashboards, and market analysis.

Get accurate live and historical rates for gold, silver, copper, and others. A powerful API built for traders, analysts, and finance professionals.

Streamline your processes using our Document Number Format Validation Check for accurate MRZ and document number formats.

The Words into Digits API accurately converts textual representations of numbers into their numerical equivalents for optimized data processing.

Edge case test data for QA and fuzz testing: Unicode, injection probes, boundary dates, float precision. 16 types, reproducible seeds, and every value explains what it breaks.

Access metal prices anytime with this API—real-time and historical data for gold, silver, copper, and more. Simple setup, detailed responses.

Validates and decodes Indonesian national IDs, providing basic personal information, geographic location, and gender based on the ID number.

Seamlessly fetch detailed Indonesian National Identification data for secure applications and services.

Integer and floating-point edge cases: int32/int64 limits, NaN, infinity, denormals, and IEEE 754 rounding. Deterministic seeds, and every value explains what it breaks.

Unicode test data for internationalization testing: combining marks, bidi overrides, ZWJ emoji, homoglyphs. Deterministic seeds, and every value explains what it breaks.

Fuzz testing input data for validation layers: malformed strings, boundary values, control characters. 16 field types, reproducible seeds; each value explains what it breaks.

Date and time edge cases: Feb 29, DST gaps, year 2038, leap seconds, and quarter-hour UTC offsets. Reproducible seeds, and every value explains what it breaks.

Canonical injection test strings for checking your own escaping: SQL tautology, XSS, path traversal, template injection. Harmless probes, not working exploits. Reproducible seeds.

Boundary value test data for off-by-one bugs: int32 and int64 limits, max-length strings, empty values. Deterministic seeds, and every value explains what it breaks.

Malformed and hostile string test data for input handling: control characters, null bytes, encoding edge cases. Reproducible seeds, and every value explains what it breaks.

QA test fixtures and CI seed data with reproducible seeds, so pinned test runs return identical rows every time. 16 field types, each value explaining what it breaks.

Capture accurate Indonesian ID information to improve user experience and ensure identity validation.

Track global metal prices in real-time or historically with this API. Supports key metals like gold, silver, platinum, and more. Reliable and easy to integrate.