Questions about the Random User Generator API

The things developers ask before wiring up the Random User Generator API — what it returns, what it covers, and where the limits are. Straight answers, no fluff.

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How many users can I generate in one request?
You can generate up to 100 users in a single API request by specifying the count parameter. Each user profile includes a complete set of realistic data.
What fields are included in each generated user?
Each user includes: unique ID (UUID), full name, gender, username, email, password, phone number, cell number, birthdate, and registration timestamp.
Is the generated data realistic?
Yes! Names are generated from real name databases, emails follow realistic patterns, phone numbers use valid formats, and all data is internally consistent.
Can I use this data for production systems?
This API is designed for development, testing, and demo purposes. The generated data is fake and should not be used for actual user accounts or stored as real PII.
Are the generated emails and usernames unique?
Yes, each generated user has a unique ID, username, and email within the response. However, uniqueness is not guaranteed across separate API calls.
What format are dates returned in?
All dates (birthdate and registered) are returned in ISO 8601 format (e.g., "2025-06-29T22:00:36.084Z") for easy parsing in any programming language.
Are the generated passwords secure?
Generated passwords are random alphanumeric strings suitable for testing purposes. For production systems, always use your own secure password generation.
Can I filter users by gender or age?
Currently, users are generated with random demographics. Each response includes a mix of genders and age ranges for realistic test scenarios.
How fast is the API response?
User generation is instant. Single user requests typically return in under 100ms, and bulk requests (up to 100 users) return in under 500ms.
What phone number formats are used?
Phone numbers are generated in US format with area codes. Both landline (phone) and mobile (cell) numbers are provided with extensions where applicable.

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