WSO2 API Manager offers Free Trial, but MailChimp does not.
MailChimp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
WSO2 API Manager is designed for Large Enterprises, Medium Business and Small Business.
The starting price of WSO2 API Manager begins at $2,000, while pricing details for MailChimp are unavailable.
Some top alternatives to MailChimp includes Campaigner, Moosend and SMTP.
Some top alternatives to WSO2 API Manager includes 3scale, Dell Boomi API Management, Apigee Edge, IBM API Connect, Kong, Tyk API Management Platform, WSO2 Identity Server, Meta API, Software AG webMethods, NextGen Healthcare EHR, NextGen Enterprise and NextGen Office.