generated: '2026-07-19' method: searched source: https://www.fiddler.ai/trial trial: name: Fiddler Guardrails Free Trial url: https://www.fiddler.ai/trial duration_days: 14 quota: 200 API requests per model per day scope: >- Test Fiddler Guardrails against hallucinations, toxic content, and prompt injection attacks. demo: url: https://www.fiddler.ai/demo note: Guided product demo / request-a-demo for the full platform. test_credentials: published: false note: >- Fiddler does not publish static magic test values (test cards, test tokens, or fixed sandbox identifiers). Sandboxing is via the time-boxed free trial and per-customer deployments; no verbatim test credentials to capture. notes: >- Fiddler is deployed per-customer, so there is no shared public sandbox host; the free trial provides a bounded environment to exercise the Guardrails API.