Spam Prevention

CallerAPI write-ups related to Spam Prevention

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Spam Prevention

Do Not Originate List vs Spam Feed: What Each Blocks

Every US provider must block on a do not originate list since December 15, 2025. The list cannot hold valid numbers under complaint. Here is the gap and how to close it.

October 23, 2026 4 min read

Spam Prevention

Spam phone number lookup: how to read a live complaint record

A spam phone number lookup is only useful if you can see the complaint, the subject, and how fresh it is. Here is the 19 September 2026 US snapshot and how to read it.

September 19, 2026 3 min read