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Sinch Email Mailosaur vs SoapUI
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Price
Free
API Testing Tools
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Free
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API Testing Tools
Overview
Focus
API Testing Tools
API Testing Tools
Product
Email and SMS testing for developers.
Open source API testing tool by SmartBear supporting REST, SOAP, and GraphQL with assertion-based validation.
Headquarters
London, United Kingdom
Somerville, Massachusetts
Company size
2-10 employees
501-1,000 employees
Founded
2013
2005
Pricing details
Published rate
Free
Free options
Free trial
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026