Category
AI API testing tools: what they are and who makes them
api platforms with an ai agent, enterprise api test suites, traffic and spec-driven generators, test platforms with an api module: Postman, Apidog, ReadyAPI through Testfully.
Types of AI API testing tools
API platforms with an AI agent
Postman, Apidog and Insomnia combine a request client with collections, mocks and a runner, and add an assistant that edits requests or drafts tests. They suit developers who work in the tool every day, and they meter AI use through credits, plans or a model provider you supply.
Enterprise API test suites
ReadyAPI and Parasoft SOAtest cover REST, SOAP and message-based services, with virtualization and reporting for QA departments. Both describe AI that creates tests from natural language, and both sell through sales conversations instead of public price lists, which lengthens procurement for smaller buyers.
Traffic and spec-driven generators
Keploy records live traffic and replays it as regression tests, while Qodex generates runnable scenarios from an OpenAPI spec and runs them on pull requests. They aim at coverage for services that have few tests, not at hand-built request debugging.
Test platforms with an API module
Katalon and mabl test web, mobile and APIs in one product, with AI agents for authoring, self-healing and failure analysis. They fit QA groups that already run end-to-end suites and want API checks in the same dashboard and the same reports.
Facts at a glance
| Tool | Publisher | Based in | Access |
|---|---|---|---|
| Postman | Postman, Inc. | United States | Free tier + API |
| Apidog | Apidog | Not stated on the vendor's pages | Free tier + API |
| ReadyAPI | SmartBear Software Inc. | United States | Trial + API |
| Insomnia | Kong Inc. | United States | Free tier + API |
| Parasoft SOAtest | Parasoft Corporation | United States | Trial |
| Katalon | Katalon, Inc. | United States | Free tier + API |
| Keploy | Keploy, Inc. | United States | Free tier + API |
| Requestly | BrowserStack, Inc. | United States | Trial |
| Qodex | Qodex.ai | United States | Free tier |
| mabl | mabl, Inc. | United States | Trial |
| Bruno | Bruno Software, Inc. | United States | Free tier |
| Testfully | Testfully Pty Ltd | Not stated on the vendor pages | Free tier + API |