The vocabulary of the Username Profanity API

The 2 fields and concepts you'll meet in the response — defined in plain English, each with a real example value.

2 terms
Content Moderation1

Leetspeak

A system of modified spellings using numbers and symbols to replace letters.

Common in gaming and online communities, leetspeak substitutes characters like 4 for A, 3 for E, 0 for O. Often used to evade profanity filters.

Exampleh4ck3r, l33t, n00b

Platform Safety1

Content Moderation

The practice of monitoring and filtering user-generated content for policy violations.

Includes detecting profanity, hate speech, spam, and other inappropriate content. Can be automated with APIs or performed manually by moderators.

See these fields live. Run the Username Profanity API free — no card, no signup wall.

Scaling up?

Volume pricing, custom SLAs, and dedicated support for high-traffic teams.

Contact sales