Insomnia website screenshot

Insomnia

Insomnia is an open-source, cross-platform API development platform by Kong for designing, debugging, and testing HTTP, REST, GraphQL, gRPC, SOAP, WebSockets, SSE, and Socket.IO APIs. It includes an Inso CLI for CI/CD integration, cloud-hosted and self-hosted mock servers, OpenAPI spec design tools, and collaborative features with cloud sync, local vault, and Git storage options.

Insomnia publishes 3 APIs on the APIs.io network: Mock Logs API, Mock Routes API, and Mock Servers API. Tagged areas include API Design, CLI, Clients, Mocking, and Platform.

The Insomnia catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Insomnia’s developer surface includes authentication, documentation, changelog, engineering blog, pricing, CLI, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub
53.3/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
4 APIs
API DesignCLIClientsMockingPlatformTesting

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 53.3/100 · developing
Contract Quality 18.0 / 25
Developer Ergonomics 5.7 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 6.2 / 13
Governance 7.0 / 12
Discoverability 6.5 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/insomnia: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

Individual APIs this provider publishes, each with its own machine-readable definition.

Insomnia

Insomnia is an open-source, cross-platform API development platform by Kong for designing, debugging, and testing HTTP, REST, GraphQL, gRPC, SOAP, WebSockets, SSE, and Socket.IO...

Insomnia Mock Logs API

View request logs for mock servers.

Insomnia Mock Routes API

Manage individual routes within a mock server.

Insomnia Mock Servers API

Manage mock server instances.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Insomnia Mock Server API

OPEN COLLECTION

GraphQL 1

GraphQL schemas published by this provider.

Insomnia GraphQL API

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Insomnia Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Insomnia Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Insomnia Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Insomnia Context

2 classes · 5 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Insomnia API Rules

5 rules · 3 warnings 2 info

SPECTRAL

JSON Schema 3

Standalone JSON Schema definitions for this provider's data models.

Insomnia Environment

11 properties

JSON SCHEMA

Insomnia Request

17 properties

JSON SCHEMA

Insomnia Workspace

9 properties

JSON SCHEMA

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Insomnia Authentication

http · 1 scheme

SECURITY

Insomnia Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Insomnia Agentic Access

10 operations · 6 acting

10 operations · 6 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubRepository
GitHubRepository
 Plugins
Plugins
 CLI
CLI

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

ChangeLog
ChangeLog

Commercial 1

Pricing, plans, and the legal terms of use

Pricing
Pricing

Company 2

The organization behind the API

Blog
Blog
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: insomnia
url: https://raw.githubusercontent.com/api-evangelist/insomnia/refs/heads/main/apis.yml
apis:
- aid: insomnia:insomnia
  name: Insomnia
  tags:
  - API Clients
  - API Design
  - Debugging
  - Mocking
  - Testing
  humanURL: https://insomnia.rest/
  properties:
  - url: https://docs.insomnia.rest/
    type: Documentation
  - url: https://insomnia.rest/plugins
    type: Plugins
  - url: https://docs.insomnia.rest/inso-cli/introduction/
    type: CLI
  - url: https://docs.insomnia.rest/inso-cli/cli-command-reference
    type: CLIReference
  - url: https://docs.insomnia.rest/insomnia/api-mocking/
    type: MockServer
  - url: graphql/insomnia-graphql.md
    type: GraphQL
  description: Insomnia is an open-source, cross-platform API development platform by Kong for designing, debugging, and testing
    HTTP, REST, GraphQL, gRPC, SOAP, WebSockets, SSE, and Socket.IO APIs. It includes an Inso CLI for CI/CD integration, cloud-hosted
    and self-hosted mock servers, OpenAPI spec design tools, and collaborative features with cloud sync, local vault, and
    Git storage options.
- aid: insomnia:insomnia-mock-logs-api
  name: Insomnia Mock Logs API
  description: View request logs for mock servers.
  humanURL: https://insomnia.rest/
  tags:
  - Mock Logs
  properties:
  - type: OpenAPI
    url: openapi/insomnia-mock-logs-api-openapi.yml
  - type: Documentation
    url: https://docs.insomnia.rest/insomnia/api-mocking/
  - type: JSONSchema
    url: json-schema/workspace.json
  - type: JSONSchema
    url: json-schema/request.json
  - type: JSONSchema
    url: json-schema/environment.json
  - type: JSONLD
    url: json-ld/insomnia-context.jsonld
- aid: insomnia:insomnia-mock-routes-api
  name: Insomnia Mock Routes API
  description: Manage individual routes within a mock server.
  humanURL: https://insomnia.rest/
  tags:
  - Mock Routes
  properties:
  - type: OpenAPI
    url: openapi/insomnia-mock-routes-api-openapi.yml
  - type: Documentation
    url: https://docs.insomnia.rest/insomnia/api-mocking/
  - type: JSONSchema
    url: json-schema/workspace.json
  - type: JSONSchema
    url: json-schema/request.json
  - type: JSONSchema
    url: json-schema/environment.json
  - type: JSONLD
    url: json-ld/insomnia-context.jsonld
- aid: insomnia:insomnia-mock-servers-api
  name: Insomnia Mock Servers API
  description: Manage mock server instances.
  humanURL: https://insomnia.rest/
  tags:
  - Mock Servers
  properties:
  - type: OpenAPI
    url: openapi/insomnia-mock-servers-api-openapi.yml
  - type: Documentation
    url: https://docs.insomnia.rest/insomnia/api-mocking/
  - type: JSONSchema
    url: json-schema/workspace.json
  - type: JSONSchema
    url: json-schema/request.json
  - type: JSONSchema
    url: json-schema/environment.json
  - type: JSONLD
    url: json-ld/insomnia-context.jsonld
name: Insomnia
tags:
- API Design
- CLI
- Clients
- Mocking
- Platform
- Testing
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/insomnia.png
access: 3rd-Party
created: '2025-01-08'
modified: '2026-05-19'
position: Consumer
description: Insomnia is an open-source, cross-platform API development platform by Kong for designing, debugging, and testing
  HTTP, REST, GraphQL, gRPC, SOAP, WebSockets, SSE, and Socket.IO APIs. It includes an Inso CLI for CI/CD integration, cloud-hosted
  and self-hosted mock servers, OpenAPI spec design tools, and collaborative features with cloud sync, local vault, and Git
  storage options.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
specificationVersion: '0.19'
common:
- type: AgenticAccess
  url: agentic-access/insomnia-agentic-access.yml
- type: DomainSecurity
  url: security/insomnia-domain-security.yml
- type: Authentication
  url: authentication/insomnia-authentication.yml
- name: Documentation
  url: https://docs.insomnia.rest/
  type: Documentation
- name: GitHub Repository
  url: https://github.com/Kong/insomnia
  type: GitHubRepository
- name: Plugins
  url: https://insomnia.rest/plugins
  type: Plugins
- name: Changelog
  url: https://insomnia.rest/changelog
  type: ChangeLog
- name: Blog
  url: https://konghq.com/blog
  type: Blog
- name: Pricing
  url: https://insomnia.rest/pricing
  type: Pricing
- name: Inso CLI
  url: https://docs.insomnia.rest/inso-cli/introduction/
  type: CLI
- name: Kong Inc
  url: https://konghq.com/products/kong-insomnia
  type: Website