alternative · cleantalk
Siftfy as a CleanTalk alternative.
Updated July 29, 2026
Is Siftfy a good CleanTalk alternative?
CleanTalk is a REST anti-spam API — check_message() for user-generated content and check_newuser() for registrations — wrapped in a large CMS plugin library and priced per website. It returns an allow/deny verdict backed by a crowdsourced spam database. Choose Siftfy when you want the threshold itself: an API-first classifier returns a calibrated probability, and your application owns the block, review, and allow bands.
Where CleanTalk is stronger
- REST API (check_message, check_newuser) with official libraries for PHP, Python, Django, C#, Ruby and more.
- Large plugin ecosystem for CMS and e-commerce sites on top of the same API.
- Blacklist-style IP/email checks alongside content moderation.
- Flat per-site pricing that does not scale with request volume.
Where Siftfy is stronger
our take- API-first integration with no plugin dependency.
- Calibrated probability for block, queue, and allow decisions.
- No request body storage by default; metadata-only logging.
decision rule
Choose Siftfy when you need to own the spam threshold in your backend, queue, or product workflow rather than accept a vendor-side allow/deny verdict.