# json-server vs Microcks

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

| Attribute | json-server | Microcks |
|---|---|---|
| **Vioscale score** | 81.6 (57% (medium)) | 26.3 (63% (medium)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | 85,674 | 439 |
| adoption.github_stars | 75,690 | 2,520 |
| 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. | Microcks enables developers to generate mock APIs from specifications like OpenAPI and AsyncAPI, simulate API behavior, and run automated contract tests against implementations. It supports multiple protocols including gRPC, GraphQL, and SOAP, with customizable mock data generation and integration into CI/CD pipelines. |
| integrations.count | - | 10 |
| integrations.list | - | `[{"name":"Postman"},{"name":"OpenAI"},{"name":"Keycloak"},{"name":"Backstage"},{"name":"Docker Desktop"},{"name":"OpenAPI"},{"name":"AsyncAPI"},{"name":"gRPC"},{"name":"GraphQL"},{"name":"SOAP"}]` |
| language.primary | JavaScript | JavaScript |
| license.spdx | MIT | MIT |
| platform.support | `{"cli":true,"web":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","summary":"Free, open-source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-17T21:30:41.016Z"}` | `{"type":"open_source","summary":"Open source","freeTier":true,"sourceUrl":"https://microcks.io","retrievedAt":"2026-08-18T12:21:33.825Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| 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"}]` | `[{"url":"https://github.com/biati-digital/glightbox/releases/tag/v3.3.1","date":"2025-01-21T01:02:32Z","type":"stable","version":"v3.3.1"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/glightbox%404.0.0-beta.8","date":"2024-03-31T17:26:02Z","type":"prerelease","version":"glightbox@4.0.0-beta.8"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/%40glightbox/video%401.0.0-beta.4","date":"2024-03-30T08:45:59Z","type":"prerelease","version":"@glightbox/video@1.0.0-beta.4"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/%40glightbox/image%401.0.0-beta.4","date":"2024-03-30T08:45:56Z","type":"prerelease","version":"@glightbox/image@1.0.0-beta.4"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/%40glightbox/drag-navigation%401.0.0-beta.4","date":"2024-03-30T08:45:54Z","type":"prerelease","version":"@glightbox/drag-navigation@1.0.0-beta.4"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/glightbox%404.0.0-beta.7","date":"2024-03-29T13:03:48Z","type":"prerelease","version":"glightbox@4.0.0-beta.7"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/glightbox%404.0.0-beta.6","date":"2024-03-28T13:01:06Z","type":"prerelease","version":"glightbox@4.0.0-beta.6"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/%40glightbox/video%401.0.0-beta.3","date":"2024-03-28T13:01:18Z","type":"prerelease","version":"@glightbox/video@1.0.0-beta.3"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/%40glightbox/plugin-core%401.0.0-beta.3","date":"2024-03-28T13:01:15Z","type":"prerelease","version":"@glightbox/plugin-core@1.0.0-beta.3"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/%40glightbox/keyboard-navigation%401.0.0-beta.3","date":"2024-03-28T13:01:12Z","type":"prerelease","version":"@glightbox/keyboard-navigation@1.0.0-beta.3"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/%40glightbox/image%401.0.0-beta.3","date":"2024-03-28T13:01:09Z","type":"prerelease","version":"@glightbox/image@1.0.0-beta.3"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/%40glightbox/drag-navigation%401.0.0-beta.3","date":"2024-03-28T13:01:03Z","type":"prerelease","version":"@glightbox/drag-navigation@1.0.0-beta.3"},{"url":"https://github.com/biati-digital/glightbox/releases/tag/3.2.0","date":"2022-03-12T15:34:04Z","type":"stable","version":"3.2.0"}]` |
| security.scorecard | 3.6 | 2.9 |
| 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}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=glightbox&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (API Mocking)

| Capability | json-server | Microcks |
|---|:--:|:--:|
| **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 2026-09-01T16:37:33.073Z. "-" = undocumented, not absent.*