Create atomic and distributed counters
Validate an email address (regex validation, disposable databases, MX records, ...).
Analyze and extract provider information for an IP address.
Create a thumbnail from an image
Find out which language is used within a text
Lookup for countries' data
Generate time-based one-time passwords for multi-factor authentication, transaction confirmation, ...
Generates fake objects with random data
Generate secrets and qrcodes, validate token for TFA apps
Get EU VAT rates
Validate EU VAT numbers
Create distributed locks