python-antispam

Invisible spam protection for your Python apps — no CAPTCHA, no puzzles, no math.

Spam attacks log - allows to view all filtered requests in the "Log of spam attacks". The log contains a detailed information about each request for a time period. At any time, you can check the request and make sure that the filtering is correct. A Python API for antispam service cleantalk.org. Invisible protection from spam, no captches, no puzzles, no animals and no math.

Why CleanTalk?

Tired of distorted images, puzzles with traffic lights, or invisible zebras? Here’s how CleanTalk compares:

Feature	CAPTCHA	CleanTalk
User Experience	Interrupts with puzzles, images	Completely invisible
Setup Complexity	Medium to High	Easy integration with Python API
Mobile Usability	Often frustrating	Seamless experience
Accessibility (e.g. screenreaders)	Limited	Fully accessible
Spam Protection Method	Challenge-based (user solves)	Behavior-based (bot detection, JS, IP)
Requires User Interaction	✅ Yes	❌ No
Supports Form Relevance Checks	❌ No	✅ Yes

How API works?

CleanTalk uses multiple layers of protection:

• Spam bot signatures
• Blacklist checks (email, IP, domain)
• JavaScript presence
• Submission time analysis
• Comment relevance scoring

Requirements

• Python 2.6+
• Python 3.x
• CURL support
• CleanTalk account — Sign up here

SPAM test for text comment sample

from cleantalk import CleanTalk
import json


ct = CleanTalk(auth_key='yourkey')
ct_result = ct.request(
                message = 'abc', # Required. Visitor comment
                sender_ip = '196.19.250.114', # Required. Visitor IP address
                sender_email = 'stop_email@example.com', # Required. Visitor email
                sender_nickname = 'spam_bot', # Required. Visitor nickname
                post_info= json.dumps({'post_url': 'https://yoursite.com'}) # Optional. Additional post info in JSON format.
                # event_token = 'xxx' # fill it with ct_bot_detector_event_token hidden input from your form (auto generate)
        )
#Check
if ct_result['allow']:
    print('Comment allowed. Reason ' + ct_result['comment'])
else:
    print('Comment blocked. Reason ' + ct_result['comment'])

API Response description

API returns Python dictionary object, where keys:

• allow (0|1) - allow to publish or not, in other words spam or ham
• comment (string) - server comment for requests.
• id (string MD5 HEX hash) - unique request idenifier.

Installing via PyPi

Run the next command in the terminal:

pip install cleantalk-python-antispam

Then you can use Cleantalk class import:

from cleantalk_python_antispam.cleantalk import CleanTalk

For improve protection include javascript to your layout before </body> tag:

<script type="text/javascript" src="https://moderate.cleantalk.org/ct-bot-detector-wrapper.js"></script>

Changelog

Version 1.2

• New. Now page URL could be added to the request.
• Mod. Tests file updated.
• Mod. Readme updated.