This module is a simple captcha, no need to activate or to worry about Apis. Custom captcha built to make developer's life easier to prevent spam registration and forms,
Crawler Rate Limit allows you to limit requests performed by web crawlers, bots, and spiders. It can also rate limit regular traffic, and block requests based on autonomous system number (ASN). It limits number of requests crawler/visitor is allowed to perform in the given time interval. After the limit is exceeded server will respond with HTTP code 429 (Too many requests).
The Watchdog Registry module is intended for developers who rely on checking the
watchdog table to detect PHP errors. This module contains a configuration entity