Collectizi vs mailboxlayer API

Collectizi helps businesses worldwide collect and share their clients documents seamlessly

Collectizi is a smart way to collect and share documents clients no matter where you or your clients are based.
We have made the process simple – All you have to do is create and send a request with the information you need to collect. The client then uploads the files or documents to a centralized location : your dashboard.
From there you can preview all documents, approve or deny them and also communicate directly with your clients without leaving your dashboard.

Free & Simple Email Verification JSON API

Mailboxlayer is a free, simple and powerful JSON API offering instant email address validation & verification via syntax checks, typo and spelling checks, SMTP checks, free and disposable provider filtering, and much more. Its system is REST-based, secured by 256-bit HTTPS encryption, and pursuing the goal of assisting developers and businesses in fighting fraudulent users and increasing success rates of email campaigns.