# json-server vs Traffic Parrot

**Leader by Vioscale score:** json-server

| Attribute | json-server | Traffic Parrot |
|---|---|---|
| **Vioscale score** | 81.6 (57% (medium)) | 43.6 (78% (high)) |
| adoption.dependent_repos | 85,674 | - |
| adoption.github_stars | 75,690 | - |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"on_prem":true,"self_hosted":true}` |
| description.long | An open-source tool that generates a full-featured REST API server from a JSON or JSON5 file, enabling rapid prototyping and testing without backend development. | Traffic Parrot lets development and testing teams create simulators of APIs, services, and systems for faster testing cycles. It runs in containers, CI/CD pipelines, and local environments, supporting multiple protocols and providing both a web interface and programmatic control. |
| integrations.count | - | 16 |
| integrations.list | - | `[{"name":"WireMock"},{"name":"Mountebank"},{"name":"Selenium"},{"name":"Cucumber"},{"name":"JUnit"},{"name":"JMeter"},{"name":"SoapUI"},{"name":"Jenkins"},{"name":"GitHub"},{"name":"Maven"},{"name":"Gradle"},{"name":"SauceLabs"},{"name":"Perfecto"},{"name":"Load Runner"},{"name":"ACCELQ"},{"name":"TestComplete"}]` |
| language.primary | JavaScript | - |
| license.spdx | MIT | - |
| market.availability | - | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","summary":"Free, open-source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-17T21:30:41.016Z"}` | `{"type":"quote","summary":"Flexible licensing models; free tier available (3 custom mocks created at no charge)","currency":"USD","freeTier":true,"sourceUrl":"https://trafficparrot.com/articles/service-virtualization-pricing-licensing-models.html","retrievedAt":"2026-08-17T21:30:41.406Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | quote |
| pricing.price_level | free | low |
| pricing.transparent | yes | no |
| release.cadence_days | 6 | - |
| release.history | `[{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.15","date":"2026-03-23T19:40:05Z","type":"stable","version":"v1.0.0-beta.15"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.14","date":"2026-03-20T15:15:06Z","type":"stable","version":"v1.0.0-beta.14"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.13","date":"2026-03-13T00:36:40Z","type":"stable","version":"v1.0.0-beta.13"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.12","date":"2026-02-28T00:44:28Z","type":"stable","version":"v1.0.0-beta.12"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.10","date":"2026-02-26T22:49:44Z","type":"stable","version":"v1.0.0-beta.10"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.9","date":"2026-02-19T23:37:59Z","type":"stable","version":"v1.0.0-beta.9"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.8","date":"2026-02-19T23:08:52Z","type":"stable","version":"v1.0.0-beta.8"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.7","date":"2026-02-19T22:46:20Z","type":"stable","version":"v1.0.0-beta.7"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.6","date":"2026-02-14T22:48:17Z","type":"stable","version":"v1.0.0-beta.6"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.5","date":"2026-01-22T09:26:14Z","type":"stable","version":"v1.0.0-beta.5"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.4","date":"2026-01-21T22:57:31Z","type":"stable","version":"v1.0.0-beta.4"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.3","date":"2024-09-24T13:21:29Z","type":"stable","version":"v1.0.0-beta.3"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.2","date":"2024-08-19T13:12:26Z","type":"stable","version":"v1.0.0-beta.2"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.1","date":"2024-06-04T10:10:16Z","type":"stable","version":"v1.0.0-beta.1"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.0","date":"2024-05-13T13:29:13Z","type":"stable","version":"v1.0.0-beta.0"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-alpha.23","date":"2024-01-26T17:34:24Z","type":"stable","version":"v1.0.0-alpha.23"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-alpha.22","date":"2024-01-22T15:08:04Z","type":"stable","version":"v1.0.0-alpha.22"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-alpha.21","date":"2024-01-13T22:50:00Z","type":"stable","version":"v1.0.0-alpha.21"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-alpha.20","date":"2024-01-13T01:43:42Z","type":"stable","version":"v1.0.0-alpha.20"},{"url":"https://github.com/typicode/json-server/releases/tag/v1.0.0-alpha.19","date":"2024-01-12T00:10:55Z","type":"stable","version":"v1.0.0-alpha.19"}]` | - |
| security.gdpr | - | yes |
| security.scorecard | 3.6 | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=json-server&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (API Mocking)

| Capability | json-server | Traffic Parrot |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Mocking mode | - | - |
| Stateful scenarios | - | - |
| Fault chaos injection | - | - |
| Openapi import | - | - |
| Proxy passthrough | - | - |
| Admin API | - | - |
| Deployment | - | - |
| Legacy protocol virtualization | - | - |
| Collaboration sharing | - | - |
| Ci cd integration | - | - |
| Open source | - | - |
| Market segment | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T16:45:32.290Z. "-" = undocumented, not absent.*