# Check Twice

> Check Twice lets you verify anyone is who they say they are, from your contacts to businesses and strangers.

Check Twice is made and operated by FusedFrames Technologies Ltd, registered in England and Wales (company number 17097980). Organisations pay us to let you know when their calls and texts are genuine. It’s free for everyone else.

## Pages

- [Home](https://www.check-twice.com/index.md): Know who’s really contacting you: what Check Twice does, how it keeps your data private, and the common questions answered
- [For organisations](https://www.check-twice.com/organisations.md): Stop scammers posing as your organisation: how organisations let the people they call or text know it’s them, how it works day to day, our mission, how it keeps their calls private and their name theirs, and the common questions answered
- [For developers](https://www.check-twice.com/developers.md): Verify people without asking for their ID: checking a link with a key, what a developer can ask of a check, and the common questions answered

## Docs

- [Overview](https://www.check-twice.com/docs.md): What Check Twice is, and how developers and organisations build with it
- [Check a link](https://www.check-twice.com/docs/check-a-link.md): Find out who made a Check Twice link, checked against their photo ID
- [Phone systems](https://www.check-twice.com/docs/phone-systems.md): Connect Aircall, Dialpad, RingCentral or a webhook, so we’re told of every call and text
- [Calls and texts API](https://www.check-twice.com/docs/calls-and-texts.md): Tell us of each call and text from a system of your own

## Company

- [FusedFrames](https://fusedframes.com): the company that makes and operates Check Twice