Tap Into the Power of Address Books

Engage with your users' contacts to generate more leads, referrals, and virality.


Our Products

Address Book Widget

Let your users access their address books without leaving your site.

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Contacts API

Use a single point of integration for dozens of address book providers.

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Why CloudSponge?

API wrappers and a customizable JavaScript widget make it easy for you to integrate however you like.

24/7 uptime monitoring and full time support means you never have to worry about maintenance when providers change.

Normalized contact data lets you integrate once and never worry about new data formats or parsing nightmares.

Thousands of companies are growing faster thanks to CloudSponge.

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