Free Developer License — renewed free every 6 months

Build, mock, and run real API tests with the full Local Runner desktop app. No credit card. Renew free every 6 months.

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Get your Free Developer license

Your license key will be delivered by email — please use your official work email.

  • ✓50 endpoints, mocks, workflows · 1 concurrent run · single user
  • ✓Local Runner desktop app included
  • ✓REST, SOAP & GraphQL + AI features (BYO key)
  • ✓Re-register every 6 months for a fresh license — at no cost

Work email required — personal addresses (Gmail, Yahoo, Outlook) aren’t accepted.

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10 digits (without country code)

By signing up you’ll receive a Free license by email. Every 6 months you renew it at no cost by signing up again with the same email.

Already have a license? Talk to us or see pricing to upgrade to Professional or Enterprise.

Free Developer license, renewed free every 6 months, full Local Runner included

Build production-quality API tests on your own machine

  • Up to 50 endpoints, 50 mocks, and 50 workflows — for free, with no end date (renew the licence free every 6 months).

  • REST, SOAP, and GraphQL included.

  • AI test and mock generation — bring your own Anthropic, OpenAI, Gemini, or Azure OpenAI key.

Frequently Asked Questions

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  • What does the Free Developer edition include?
    Up to 50 endpoints across REST, SOAP, and GraphQL, 50 mocks, 50 workflows (10 steps each), 1 concurrent test run, 3 Auth Profiles per project, the Local Runner desktop app, and AI test/mock generation with your own API key. Reports include a "Powered by Shift-Left Studio" watermark.
  • How long does the Free license last?
    The Free Developer edition has no end date, but each licence is valid for 6 months. When it expires, simply sign up again with the same email and you will receive a fresh licence — completely free.
  • What happens if I sign up again before my license expires?
    You will see a friendly message reminding you that you already have an active Free license, and we will email you a copy of your existing key. You can re-register only after your current license has expired.
  • Do I need a credit card?
    No. No credit card is required. Just your name, email, and company.
  • What if I need more than 50 endpoints / workflows?
    Our Professional and Enterprise editions remove all caps and unlock the Scheduler, project analytics, Audit Logs, Public API, Jenkins integration, Test Run Packs, RBAC, and more. Visit our pricing page to learn more.
  • Is my data sent anywhere?
    Not your test data. On a self-hosted install, your tests, endpoints, and credentials stay on your own infrastructure, and AI features call your own provider keys directly. The product contacts Total Shift Left servers for licence validation and updates; usage telemetry is opt-in and off by default.
  • How do I upgrade later?
    Enter your Professional or Enterprise license key in Settings → License inside the app. Your data stays in place; only the feature gates open up.

Ready to scale beyond Free?

Professional unlocks unlimited endpoints, the Scheduler, project analytics, Public API, Jenkins, and more.

View pricingBook Demo