username.dev
Usernames often look like a small implementation detail when you’re building a product. You add a uniqueness check, maybe block a couple of obvious cases like admin, and move on. But as products grow, usernames quietly turn into a real problem. People register admin, support, or system. Brand and impersonation-prone usernames slip through. Short or high-value handles get taken early. To fix it,…
username.dev endpoints
| Method | Endpoint | Description |
|---|---|---|
| check | ||
| GET |
checkUsername /check |
Validate usernames in a single API call. Returns whether a username is reserved, its deletion status, and associated categories with metadata. Instantly identify brands, public… |
username.dev pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|