Insomnia

Open source

Open source API client for designing, debugging, and testing REST and GraphQL APIs.

Pricing: free, subscription, seat
Free tier: true
License: open-source
Open source: Yes

Editorial review

Insomnia has not yet been editorially reviewed. User reviews and published field data below are unaffected — we say so rather than implying an editorial verdict.

Facts & attributes

Every value carries its evidence state. “—” means unknown — never a silent default (P-02).

Identity · Taxonomy

Tags(open-source;cloud-native): api-testing, api-client, graphql, grpc, api-designVerification pending

Platform · Deployment

Delivery model(SaaS;self-hosted;desktop;mobile;embedded;managed-cloud;appliance): desktop, SaaSVerification pending

Pricing · Licensing

Free plan(true/false): trueVerification pending
Free trial(true/false): trueVerification pending
License model(proprietary;open-source;source-available;dual-license): open-sourceVerified
Pricing model(free;subscription;usage;seat;asset;transaction;revenue-share;perpetual;custom): free, subscription, seatVerification pending
Source repository(HTTPS URL): https://github.com/Kong/insomniaVerified
SPDX license IDs(Apache-2.0;MIT): Apache-2.0Verified
Starting price(29): 12Verified
Trial length(14): 14Verified

Features · Product · Fit

Core capabilities(authoring;automation;analytics): API client for HTTP/REST, GraphQL, gRPC, SOAP, WebSocket, Socket.IO and SSE, Design-first API design from OpenAPI specs with live preview, Native API mocking with dynamic responses, Automated API testing with pre- and post-request scripting and unlimited collection runs, Native MCP client for testing MCP servers, Local, Git, or cloud storage with end-to-end encryptionVerification pending

Api · Integrations · Ecosystem

CLI(true/false): trueVerification pending
Enterprise SSO(SAML;OIDC): SAML, OIDCVerified

Security · Privacy · Compliance

Security certifications(SOC 2 Type II;ISO 27001): SOC 2Verification pending

Support · Docs · Services

Support channels(email;ticket;chat;phone;community): email, enterprise support, professional servicesVerified

Audience · Use · Case

Best for(Neutral editorial summary): API teams that want an open-source client for REST, GraphQL and gRPC with design, mocking, testing, and Git or cloud syncVerification pending
Company-size fit(individual;SMB;mid-market;enterprise): individual, SMB, mid-market, enterpriseVerification pending
Primary use cases(build;monitor;automate): API design, debugging, mocking, and testing, CI/CD API test automation with the Inso CLI, Enterprise API governance with RBAC and Kong Konnect integrationVerification pending
Skill level(beginner;intermediate;advanced;specialist): intermediateVerification pending

Lifecycle · Versioning

Changelog/release notes(HTTPS URL): https://insomnia.rest/changelogVerified
Maintenance status(active;maintenance;deprecated;EOL;archived): activeVerification pending

Vendor · Maintainer

Vendor type(commercial;foundation;community;government;consortium;individual): commercialVerification pending

User reviews

Review policy

No published reviews yet.