# json-server

- **Canonical URI:** https://www.vioscale.ai/software/json-server
- **Category:** API Mocking
- **Homepage:** https://github.com/typicode/json-server
- **Also known as:** json-server
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:16:54.835Z

## Vioscale score

**81.6 / 100**, confidence 57% (medium). Computed 2026-09-01. _(updating — computed under an earlier model version or past its freshness window.)_

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 0.052 | 5.2 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.084 | 0 | - |
| repo_stars | 92 | 0.026 | 2.4 | ✓ |
| integrations | 0 | 0.09355555555555557 | 0 | - |
| dependent_projects | 82.2 | 0.063 | 5.2 | ✓ |
| dev_activity | 0 | 0.094 | 0 | - |
| release_cadence | 96.7 | 0.052 | 5 | ✓ |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 36 | 0.042 | 1.5 | ✓ |
| pricing_transparency | 80 | 0.084 | 6.7 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-17, [verify at source](https://github.com/pricing). Independently observed._

Open source · Free tier

> Free, open-source

## About

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.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI, Web
- **Deployment:** Self-hosted

## Release history

| Version | Date | Type |
|---|---|---|
| [v1.0.0-beta.15](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.15) | 2026-03-23 | stable |
| [v1.0.0-beta.14](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.14) | 2026-03-20 | stable |
| [v1.0.0-beta.13](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.13) | 2026-03-13 | stable |
| [v1.0.0-beta.12](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.12) | 2026-02-28 | stable |
| [v1.0.0-beta.10](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.10) | 2026-02-26 | stable |
| [v1.0.0-beta.9](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.9) | 2026-02-19 | stable |
| [v1.0.0-beta.8](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.8) | 2026-02-19 | stable |
| [v1.0.0-beta.7](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.7) | 2026-02-19 | stable |
| [v1.0.0-beta.6](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.6) | 2026-02-14 | stable |
| [v1.0.0-beta.5](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.5) | 2026-01-22 | stable |
| [v1.0.0-beta.4](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.4) | 2026-01-21 | stable |
| [v1.0.0-beta.3](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.3) | 2024-09-24 | stable |
| [v1.0.0-beta.2](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.2) | 2024-08-19 | stable |
| [v1.0.0-beta.1](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.1) | 2024-06-04 | stable |
| [v1.0.0-beta.0](https://github.com/typicode/json-server/releases/tag/v1.0.0-beta.0) | 2024-05-13 | stable |

_… and 5 earlier release(s)._

## Security & compliance


Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=json-server&per_page=100)). A count reflects scale and disclosure, not quality.

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://github.com/pricing) | 2026-08-17 | 60% (medium) |
| pricing.price_level | free | [link](https://github.com/pricing) | 2026-08-17 | 60% (medium) |
| pricing.transparent | yes | [link](https://github.com/pricing) | 2026-08-17 | 60% (medium) |
| pricing.model | commercial | [link](https://github.com/typicode/json-server) | 2026-08-26 | 40% (low) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 75,690 | [link](https://github.com/typicode/json-server) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 85,674 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Ftypicode%2Fjson-server) | 2026-08-26 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | JavaScript | [link](https://github.com/typicode/json-server) | 2026-08-26 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/typicode/json-server) | 2026-08-26 | 95% (high) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 6 | [link](https://github.com/typicode/json-server/releases) | 2026-08-26 | 70% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 3.6 | [link](https://api.securityscorecards.dev/projects/github.com/typicode/json-server) | 2026-08-26 | 90% (high) |
| 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}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=json-server&per_page=100) | 2026-08-26 | 90% (high) |

---
*Source: Vioscale (https://www.vioscale.ai/software/json-server). Independent, evidence-based software intelligence. Cite the canonical URI.*