# json-server vs Prism

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

| Attribute | json-server | Prism |
|---|---|---|
| **vioscaleAI score** | 62.5 (64% (medium)) | 49.6 (17% (low)) |
| adoption.dependent_repos | 85,674 | - |
| adoption.github_stars | 75,731 | - |
| content.faq | `[{"answer":"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. It is indexed under API Mocking.","source":"https://github.com/pricing","question":"What is json-server?","confidence":0.6},{"answer":"json-server 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 json-server free to use?","confidence":0.6},{"answer":"json-server supports the web 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 json-server support?","confidence":0.6},{"answer":"Yes. json-server can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can json-server be self-hosted?","confidence":0.6},{"answer":"Yes. json-server 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/typicode/json-server","question":"Is json-server open source?","confidence":0.95}]` | `[{"answer":"Open-source toolkit for generating realistic mock HTTP servers from API specifications and validating API contracts It is indexed under API Mocking.","source":"https://stoplight.io/open-source/prism","question":"What is Prism?","confidence":0.6},{"answer":"Prism is open source, so it can be self-hosted and used at no licence cost. A commercial or hosted edition starts at $11 per user per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://stoplight.io/pricing","question":"Is Prism free to use?","confidence":0.6},{"answer":"Prism supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://stoplight.io/open-source/prism","question":"What platforms does Prism support?","confidence":0.6},{"answer":"Yes. Prism can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://stoplight.io/open-source/prism","question":"Can Prism be self-hosted?","confidence":0.6},{"answer":"We have confirmed 9 integrations for Prism, including GitHub, GitLab, Azure DevOps, Bitbucket, LDAP, SAML SSO, Google Analytics and OpenAPI, plus 1 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://stoplight.io/open-source/prism","question":"What does Prism integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Prism. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Prism not holding them. Always confirm compliance directly before you rely on it.","source":"https://stoplight.io/security-practices","question":"What security certifications does Prism have?","confidence":0.7}]` |
| deployment.options | `{"self_hosted":true}` | `{"cloud":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. | Stoplight is a design-first API platform that enables teams to collaboratively design APIs, generate interactive documentation, and create mock API servers with built-in validation. It supports multiple API standards including OpenAPI, AsyncAPI, and Arazzo. |
| features.capabilities | `{"deployment":"cli_binary","open_source":true,"mocking_mode":"static","pricing_model":"open_source","market_segment":"dev-tool"}` | `{"deployment":"cli_binary","open_source":true,"mocking_mode":"dynamic_templating","pricing_model":"open_source","market_segment":"dev-tool","openapi_import":true,"ci_cd_integration":true,"proxy_passthrough":true,"collaboration_sharing":true}` |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"GitHub"},{"name":"GitLab"},{"name":"Azure DevOps"},{"name":"Bitbucket"},{"name":"LDAP"},{"name":"SAML SSO"},{"name":"Google Analytics"},{"name":"OpenAPI","native":true},{"name":"Postman","native":true}]` |
| language.primary | JavaScript | - |
| license.spdx | MIT | - |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| 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":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free, open-source","features":["API editor","OpenAPI/JSON schema visual designer","Code-based editing","Local mock servers","API console","Technical knowledge base","24x7 knowledge base access"],"minSeats":1,"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Open-source, self-hosted version","contactSales":false,"includedLimits":{"users":"1","projects":"1"}},{"free":false,"name":"Basic","summary":"$44/month (annually) or $56/month; includes 3 users, $11 per additional user","features":["OpenAPI/JSON schema visual designer","Interactive docs","Instant mock servers","Code-based editing","Schema reuse","Design validation","Git sync","OpenAPI export","Automatic mock servers","Request validation","Configurable response codes"],"minSeats":3,"commitment":"annual","components":[{"kind":"fixed","amount":44,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":11,"period":"month","currency":"USD"}],"description":"Design an API as an individual","contactSales":false,"includedLimits":{"users":"3","projects":"Unlimited"}},{"free":false,"name":"Startup","summary":"$113/month (annually) or $147/month; includes 8 users, $11 per additional user","features":["All Basic features","Private projects","Multi-branch support","Custom domains, theming and favicon","Google Analytics integration","Approved email domains","Automatic changelogs","Dependency graph"],"minSeats":8,"commitment":"annual","components":[{"kind":"fixed","amount":113,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":11,"period":"month","currency":"USD"}],"description":"Build an API program for small teams","contactSales":false,"includedLimits":{"users":"8","projects":"Unlimited"}},{"free":false,"name":"Pro Team","summary":"$362/month (annually) or $453/month; includes 15 users, $22 per additional user","features":["All Startup features","Shared style guides","Workspace groups","Remove Stoplight branding","Self-hosted Git providers","Activity logs","LDAP & SAML SSO","Component Libraries","User management and RBAC","Per-project user access","Workspace teams"],"minSeats":15,"commitment":"annual","components":[{"kind":"fixed","amount":362,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":22,"period":"month","currency":"USD"}],"description":"Govern APIs across your organization","contactSales":false,"includedLimits":{"teams":"20","users":"15","projects":"Unlimited"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["All Pro Team features","Custom payment terms","Invoicing","Priority support"],"commitment":"annual","description":"Your API program at scale","contactSales":true,"includedLimits":{"teams":"Unlimited","users":"Unlimited","projects":"Unlimited"}}],"summary":"Free open-source version. Stoplight SaaS: from $44/month (Basic). Free 14-day trial.","currency":"USD","freeTier":true,"sourceUrl":"https://stoplight.io/pricing","retrievedAt":"2026-08-17T21:32:12.868Z","freeTrialDays":14,"startingPrice":{"amount":11,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | 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"}]` | - |
| security.gdpr | - | yes |
| security.scorecard | 3.6 | - |
| security.trust_center | https://github.com/security | - |
| 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 | Prism |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Mocking mode | Static | Dynamic templating |
| Stateful scenarios | - | - |
| Fault chaos injection | - | - |
| Openapi import | - | ✓ |
| Proxy passthrough | - | ✓ |
| Admin API | - | - |
| Deployment | CLI binary | CLI binary |
| Legacy protocol virtualization | - | - |
| Collaboration sharing | - | ✓ |
| Ci cd integration | - | ✓ |
| Open source | ✓ | ✓ |
| Market segment | Dev tool | Dev tool |
| Pricing model | Open source | Open source |

*Source: vioscaleAI. Generated 2026-10-16T19:15:37.005Z. "-" = undocumented, not absent.*