Spam APIs

Top Spam Filter and Spam Check APIs to filter and block malicious phone number calls, emails, IP addresses and more.
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Spam APIs

Top Spam Checker APIs for Developers

Here are some of the best spam filter and blocker APIs we thought were worth mentioning:

Use these anti-spam and spam checker APIs to verify emails, phone numbers, IPs and more to secure your website or mobile app.

Are Spam Checker APIs Free?

Pricing varies depending on the API. For example, Spam Caller Check is free to use. OOPSpam has a tiered pricing plan, so you can choose which subscription level is best for you.

What is an API?

API stands for Application Programming Interface. APIs act like building blocks, and allow you to create applications much faster. It is more efficient and convenient to use the capabilities of one of the APIs than to try to independently implement similar functionality. See a simple API example here.

How to Get Started

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Install SDK for (Node.js)Unirest

OAuth2 Authentication
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Client Secret
OAuth2 Authentication