# AWS Fault Injection Service vs Toxiproxy

| Attribute | AWS Fault Injection Service | Toxiproxy |
|---|---|---|
| **vioscaleAI score** | 52.5 (71% (medium)) | 49.3 (76% (high)) |
| activity.commits_last_30d | - | 13 |
| adoption.dependent_repos | - | 33,999 |
| adoption.github_stars | - | 12,418 |
| content.faq | `[{"answer":"A managed service that helps engineering teams discover application weaknesses by running controlled fault injection experiments. It provides pre-built failure scenarios, automatic safeguards to prevent unintended impact, and monitoring integration to track application behavior during tests. It is indexed under Chaos Engineering.","source":"https://aws.amazon.com/fis/pricing/","question":"What is AWS Fault Injection Service?","confidence":0.6},{"answer":"AWS Fault Injection Service offers a free tier, so you can start without paying. Paid plans start at $0.10. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://aws.amazon.com/fis/pricing/","question":"Is AWS Fault Injection Service free?","confidence":0.6},{"answer":"AWS Fault Injection Service supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://aws.amazon.com/fis/pricing/","question":"What platforms does AWS Fault Injection Service support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for AWS Fault Injection Service, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://aws.amazon.com/fis/pricing/","question":"Can AWS Fault Injection Service be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed HIPAA and GDPR for AWS Fault Injection Service. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as AWS Fault Injection Service not holding them. Always confirm compliance directly before you rely on it.","source":"https://aws.amazon.com/security/?nc1=f_cc","question":"What security certifications does AWS Fault Injection Service have?","confidence":0.7},{"answer":"AWS Fault Injection Service is available worldwide. Its primary market is the United States. The vendor is headquartered in the United States.","source":"https://aws.amazon.com/fis/pricing/","question":"Where is AWS Fault Injection Service available?","confidence":0.75}]` | `[{"answer":"A Go-based TCP proxy tool designed for testing and CI environments that injects controlled network failures, latency, and corruption to verify applications handle degraded connectivity gracefully. Enables developers to simulate chaos deterministically or with randomization during testing. It is indexed under Chaos Engineering.","source":"https://github.com/pricing","question":"What is Toxiproxy?","confidence":0.6},{"answer":"Toxiproxy is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is Toxiproxy free to use?","confidence":0.6},{"answer":"Toxiproxy supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does Toxiproxy support?","confidence":0.6},{"answer":"Yes. Toxiproxy can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can Toxiproxy be self-hosted?","confidence":0.6},{"answer":"Yes. Toxiproxy is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/Shopify/toxiproxy","question":"Is Toxiproxy open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | A managed service that helps engineering teams discover application weaknesses by running controlled fault injection experiments. It provides pre-built failure scenarios, automatic safeguards to prevent unintended impact, and monitoring integration to track application behavior during tests. | A TCP proxy that allows developers to inject network and system faults in a controlled manner to verify how their applications behave and recover under adverse conditions |
| features.capabilities | - | `{"open_source":true,"pricing_model":"open_source","deployment_model":"self_hosted","experiment_as_code":true,"blast_radius_control":true,"fault_injection_scope":"network"}` |
| integrations.count | 1 | 1 |
| integrations.list | `[{"name":"AWS CloudWatch"}]` | `[{"name":"Ruby"}]` |
| language.primary | - | Go |
| license.spdx | - | MIT |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Standard Usage","summary":"$0.10 per action-minute","features":["Single-account experiments","Pre-built scenarios","CloudWatch integration","Safety controls"],"components":[{"per":{"qty":1,"unit":"action-minute"},"kind":"metered","amount":0.1,"currency":"USD"}],"description":"Pay per action-minute for experiments","contactSales":false},{"free":false,"name":"Multi-Account Usage","summary":"$0.10 per action-minute + $0.10 per action-minute per additional account","features":["Multi-account orchestration","Cross-account targeting"],"components":[{"per":{"qty":1,"unit":"action-minute"},"kind":"metered","amount":0.1,"currency":"USD"},{"per":{"qty":1,"unit":"action-minute per additional account"},"kind":"metered","amount":0.1,"currency":"USD"}],"description":"Additional charges per target account","contactSales":false},{"free":false,"name":"GovCloud Pricing","summary":"$0.12 per action-minute in GovCloud","features":["US GovCloud regions support"],"components":[{"per":{"qty":1,"unit":"action-minute"},"kind":"metered","amount":0.12,"currency":"USD"}],"description":"Pricing for AWS GovCloud US regions","contactSales":false}],"addOns":[{"name":"Experiment Reports","components":[{"kind":"one_time","amount":5,"currency":"USD"}]}],"summary":"From $0.10 per action-minute. Free tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/fis/pricing/","retrievedAt":"2026-08-18T12:54:27.351Z","startingPrice":{"amount":0.1,"period":"month","currency":"USD"}}` | `{"type":"open_source","sourceUrl":"https://github.com/pricing","retrievedAt":"2026-10-14T21:34:52.190Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 74 |
| release.history | - | `[{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.13.0","date":"2026-10-14T18:26:53Z","type":"stable","version":"v2.13.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.12.0","date":"2025-03-18T13:12:45Z","type":"stable","version":"v2.12.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.11.0","date":"2024-10-16T19:26:12Z","type":"stable","version":"v2.11.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.10.0","date":"2024-10-08T17:50:37Z","type":"stable","version":"v2.10.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.9.0","date":"2024-03-12T18:35:45Z","type":"stable","version":"v2.9.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.8.0","date":"2024-02-27T20:31:13Z","type":"stable","version":"v2.8.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.7.0","date":"2023-10-25T15:03:55Z","type":"stable","version":"v2.7.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.6.0","date":"2023-08-22T16:02:08Z","type":"stable","version":"v2.6.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.5.0","date":"2022-09-10T12:10:32Z","type":"stable","version":"v2.5.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.4.0","date":"2022-03-07T16:23:51Z","type":"stable","version":"v2.4.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.3.0","date":"2021-12-23T12:22:50Z","type":"stable","version":"v2.3.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.2.0","date":"2021-10-17T16:32:33Z","type":"stable","version":"v2.2.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.7","date":"2021-09-23T15:00:38Z","type":"stable","version":"v2.1.7"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.6","date":"2021-09-23T12:35:53Z","type":"stable","version":"v2.1.6"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.5","date":"2021-09-01T16:00:02Z","type":"stable","version":"v2.1.5"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.5-pre","date":"2021-09-01T11:15:45Z","type":"prerelease","version":"v2.1.5-pre"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.4","date":"2019-01-22T15:27:12Z","type":"stable","version":"v2.1.4"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.3","date":"2018-03-05T23:45:13Z","type":"stable","version":"v2.1.3"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.2","date":"2017-07-10T13:42:37Z","type":"stable","version":"v2.1.2"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.2rc1","date":"2017-06-29T17:47:23Z","type":"prerelease","version":"v2.1.2rc1"}]` |
| security.disclosure_policy | yes | yes |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 6.8 |
| security.trust_center | https://aws.amazon.com/compliance/?nc2=h_dsc_aa_cmp | https://github.com/security |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2FShopify%2Ftoxiproxy&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Chaos Engineering)

| Capability | AWS Fault Injection Service | Toxiproxy |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Fault injection scope | - | Network |
| Blast radius control | - | ✓ |
| Automated abort safety | - | - |
| Kubernetes native | - | - |
| Scheduling gameday orchestration | - | - |
| Observability integration | - | - |
| Experiment as code | - | ✓ |
| Agent based | - | - |
| RBAC access control | - | - |
| Deployment model | - | Self hosted |
| SOC2 | - | - |
| Open source | - | ✓ |
| Pricing model | - | Open source |

*Source: vioscaleAI. Generated 2026-10-16T19:29:57.118Z. "-" = undocumented, not absent.*