vioscaleAI
Comparison

json-server vs Nock

On the evidence we track, json-server leads this comparison with a composite score of 63/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

json-server full profile →Nock full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★json-server63
Nock56
Score
vioscaleAI score
json-server63 / 100medium · 64%
Nock56 / 100medium · 67%
Pricing
Free tier
json-server✓
Nock✓
Model
json-serveropen_source
Nockopen_source
Price level
json-serverfree
Nockfree
Transparent
json-server✓
Nock–
Security
Scorecard
json-server3.6
Nock5.4
Trust center
Vulnerabilities
Adoption
Dependent repos
json-server85,674
Nock130,286
Github stars
json-server75,731
Nock13,128
Activity
Commits last 30d
json-server–
Nock3
Release
Cadence days
json-server6
Nock12
History
json-server20 items
Nock20 items
License
Spdx
json-serverMIT
NockMIT
Language
Primary
json-serverJavaScript
NockJavaScript
Content
Faq
json-server5 items
Nock3 items

Capabilities

Feature-by-feature on the axes that matter for api mocking. “-” means undocumented, not absent.

Capabilities
Mocking mode
json-serverStatic
NockDynamic templating
Stateful scenarios
json-server-
Nock-
Fault chaos injection
json-server-
Nock-
Openapi import
json-server-
Nock-
Proxy passthrough
json-server-
Nock✓
Admin API
json-server-
Nock-
Deployment
json-serverCLI binary
NockEmbedded library
Legacy protocol virtualization
json-server-
Nock-
Collaboration sharing
json-server-
Nock-
Ci cd integration
json-server-
Nock-
Open source
json-server✓
Nock✓
Market segment
json-serverDev tool
NockDev tool
Pricing model
json-serverOpen source
NockOpen source

What each one is

The product in its own terms, so the numbers below have context.

json-server

Leader

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

Nock

A Node.js library that intercepts HTTP requests in tests, allowing you to test modules that make HTTP calls in isolation without hitting real external services.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

json-server

Leader
Open sourceFree tier

Free, open-source

as of verify ↗

Nock

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
json-server✓
Nock–
CLI
json-server✓
Nock–
Deployment
Self-hosted
json-server✓
Nock–
Still deciding?

json-server or Nock: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.