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IntegrationsConnect with your CI/CD, APM & dev toolsSecurityData flow, encryption, RBAC, audit logsSelf-Hosted API TestingRun inside your VPC — specs never leave your perimeterDeployment & TopologyReference architectures — VPC, air-gapped, BYO LLMCompliance & Data ResidencySOC 2 · HIPAA · FedRAMP · region-pinned dataDownloadsGet desktop agents & CLI toolsFree Developer LicenseForever-free single-seat for solo evaluatorsRelease NotesWhat’s new in the latest version
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API specs never leave your perimeter. Self-hosted LLM, SOAP/WSDL first-class, audit-ready evidence.

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vs ReadyAPIModern alternative to SmartBear ReadyAPIvs Tricentis ToscaAI-native alternative for Tosca API testingvs Parasoft SOAtestModern alternative for SOAP-heavy stacksvs PostmanAI-native alternative to Postman collectionsvs ApidogSelf-hosted, contract-gated alternative to Apidogvs KarateNo-code AI alternative to Karate DSLAll comparisonsBrowse every Total Shift Left comparisonAlternatives by tool
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Replace your enterprise tool

ReadyAPI · Tosca · Parasoft

AI-native alternative for the testing tools enterprise teams are evaluating off in 2026.

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Total Shift Left — AI API Test Automation Platform

Generate CI-ready API tests from OpenAPI and Swagger specs. No code, no scripts.

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  • AI-Powered Testing
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  • Multi-Protocol Support
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  • Jenkins
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