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API Testing Tools
Overview
Focus
API Testing Tools
API Testing Platforms
Product
Open source API testing tool by SmartBear supporting REST, SOAP, and GraphQL with assertion-based validation.
Swagger by SmartBear provides API design, documentation, testing, and governance tools built around the OpenAPI specification standard for API-first development.
Headquarters
Somerville, Massachusetts
Remote
Company size
501-1,000 employees
201-500 employees
Founded
2005
2011
Pricing details
Published rate
Free
Free options
Free plan, Free trial
Free plan
Source updated
Oct 29, 2026
Oct 29, 2026