Add-on

Marchex Clean Call

#1 Robocall and Spam Blocking Solution

Marchex Clean Call Technology blocks bad phone calls so businesses can focus on customers. Included in all Marchex products, Clean Call filters the calls that would be a waste of time for your business. Since we introduced Clean Call? in 2010, this patented technology has blocked tens of millions of unwanted phone calls from telemarketers, auto-dialers, accidental hang ups, and spam callers

  • Lower Cost Per Acquisition

    Clean Call blocks the accidental dials, hang-ups, and auto-dialers that waste valuable time and drive up your cost per acquisition.

  • Stay Current on Spam Blocking

    As new methods of spam calls are identified, Marchex's technology team moves quickly to develop solutions and releases feature enhancements automatically.

  • Save Call Center Costs

    Clean Call blocks the accidental dials, hang-ups, and auto-dialers that lead to lost productivity and telephony costs.

Sample annotation responses

Clean Call Results

Marchex Clean Call predicts whether a phone call is likely to be spam, based on caller frequency patterns. The Clean Call result is a JSON object containing a recommendation and a reason.


{"recommendation": "BLOCK",
"reason": "Forged 555 phone number"}


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