5 free lookups. No credit card required.
The most common CoolBill email format is [first] (ex. jane@coolbill.be), which is being used by 100.0% of CoolBill work email addresses. Other common CoolBill email patterns are [last] (ex. doe@coolbill.be) and [first]_[last] (ex. jane_doe@coolbill.be). In all, CoolBill uses 9 work email formats.
| Email Format | Example | Percentage |
|---|---|---|
| [first] | jane@coolbill.be |
100.0%
|