# Test serverless and application-level reliability with Failure Flags

DevFeed: [Test serverless and application-level reliability with Failure Flags](<https://devfeed.tech/articles/test-serverless-and-application-level-reliability-with-failure-flags-11715.md>)

Original publisher: [Read original article](<https://www.gremlin.com/blog/test-serverless-and-application-level-reliability-with-failure-flags>)

Author: Gavin Cahill

Published: 2025-03-13T00:00:00Z

Content type: article

Language: en

Sources: [Gremlin Blog](<https://devfeed.tech/sources/gremlin-blog.md>)

Topics: [Failure Flags](<https://devfeed.tech/topics/failure-flags.md>), [Resilience](<https://devfeed.tech/topics/resilience.md>), [Serverless](<https://devfeed.tech/topics/serverless.md>), [Containers](<https://devfeed.tech/topics/containers.md>), [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [SDKs](<https://devfeed.tech/topics/sdks.md>), [AWS Lambda](<https://devfeed.tech/topics/aws-lambda.md>), [Node.js](<https://devfeed.tech/topics/node-js.md>), [API](<https://devfeed.tech/topics/api.md>), [Python](<https://devfeed.tech/topics/python.md>), [airflow](<https://devfeed.tech/topics/airflow.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [aws-lambda](<https://devfeed.tech/tags/aws-lambda.md>), [configuration](<https://devfeed.tech/tags/configuration.md>), [failure-flags](<https://devfeed.tech/tags/failure-flags.md>), [go](<https://devfeed.tech/tags/go.md>), [gremlin](<https://devfeed.tech/tags/gremlin.md>), [java](<https://devfeed.tech/tags/java.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [latency](<https://devfeed.tech/tags/latency.md>), [mesh](<https://devfeed.tech/tags/mesh.md>), [net](<https://devfeed.tech/tags/net.md>), [node-js](<https://devfeed.tech/tags/node-js.md>), [python](<https://devfeed.tech/tags/python.md>), [resilience](<https://devfeed.tech/tags/resilience.md>), [sdk](<https://devfeed.tech/tags/sdk.md>), [serverless](<https://devfeed.tech/tags/serverless.md>)

## AI overview

Gremlin Failure Flags is presented as a generally available tool for testing application-level resilience in serverless, container, Kubernetes, and service mesh environments. It combines the Gremlin SaaS API with a sidecar or Lambda Extension and an SDK to safely introduce latency, errors, and selected data issues, while also validating observability, alerting, and automated recovery.

## Source excerpt

Run resilience tests at the application level in serverless, container, Kubernetes, and service mesh environments with Gremlin Failure Flags.