Thunder Client alternatives

At a glance

We list 9 other API tools as alternatives to Thunder Client: Apidog, Bruno, Hoppscotch, Insomnia, Mintlify, Postman, RapidAPI for Mac, ReadMe and Swagger.
Bruno, Hoppscotch, Insomnia, Mintlify, Postman, RapidAPI for Mac and ReadMe have a free plan.
Bruno works with Cursor, as Thunder Client does.

From each tool's own website and from published reviews. Each tool's page says when its facts were checked.

9 alternatives

Listed alphabetically. A tool is ranked by its reviews once it has 3.

Apidog
Design, test, and publish APIs all in one place.
No reviews yet
Choose it over Thunder Client for: Web, Windows, Mac or Linux; integration with Postman, GitHub Actions or Jenkins; SOC 2 or ISO 27001.
Paid plans from
Basic, $9 (as of November 13, 2026)
Platforms
Web, Windows, Mac, Linux
Integrations shared with Thunder Client
None in common
Main features
Visual API design, API debugging, Automated testing
Security and compliance
SOC 2, ISO 27001, GDPR, SSO
Compare with Thunder Client
Be the first to review
Bruno
Bruno is the Git-native API client for REST, GraphQL, gRPC and Websocket.
No reviews yet
Choose it over Thunder Client for: macOS, Windows or Linux; integration with VS Code or Windsurf; SOC 2.
Free plan
Yes
Paid plans from
Pro, $6 per user per month, billed annually (as of November 13, 2026)
Free trial
14 days
Platforms
macOS, Windows, Linux
Integrations shared with Thunder Client
Cursor
Main features
Git-native collections, Multi-protocol support, CI/CD integration
Security and compliance
SOC 2, SSO
Compare with Thunder Client
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Hoppscotch
An open-source API development ecosystem to create and test API requests.
No reviews yet
Choose it over Thunder Client for: Mac, Windows, Linux, Web or CLI.
Free plan
Yes
Paid plans from
Business, $6 per user per month, billed annually (as of November 13, 2026)
Platforms
Mac, Windows, Linux, Web, CLI
Main features
Real-time collaboration, Collections and folders, Pre-request scripts
Security and compliance
SSO
Compare with Thunder Client
Be the first to review
Insomnia
An AI-native API collaboration platform with native Kong Konnect integration.
No reviews yet
Choose it over Thunder Client for: macOS or Windows; integration with Kong Konnect, Claude or OpenAI; SOC 2.
Free plan
Yes
Paid plans from
Pro, $12 per user per month (as of November 13, 2026)
Free trial
14 days
Platforms
macOS, Windows
Integrations shared with Thunder Client
None in common
Main features
API design, API mocking, Automated API testing
Security and compliance
SOC 2, SSO
Compare with Thunder Client
Be the first to review
Mintlify
Self-updating documentation for startups, enterprises, and agents.
No reviews yet
Choose it over Thunder Client for: Web; integration with GitHub, GitLab or Slack; SOC 2.
Free plan
Yes
Paid plans from
Pro, $450 per month billed annually (as of October 28, 2026)
Platforms
Web
Integrations shared with Thunder Client
None in common
Main features
Web editor, AI assistant, Automations
Security and compliance
SOC 2, GDPR, SSO
Be the first to review
Postman
Go faster from API development to production with higher accuracy and fewer tokens.
No reviews yet
Choose it over Thunder Client for: Desktop; integration with Jira, Slack or GitHub.
Free plan
Yes
Paid plans from
Solo, $9 per month, billed annually (as of November 13, 2026)
Platforms
Desktop, VS Code
Integrations shared with Thunder Client
None in common
Main features
Mock servers, Collection runner, API monitoring
Security and compliance
SSO
Compare with Thunder Client
Be the first to review
RapidAPI for Mac
A full-featured HTTP client to test and describe the APIs you build or consume.
No reviews yet
Choose it over Thunder Client for: macOS.
Free plan
Yes
Platforms
macOS
Main features
HTTP client, API description, Team sync
Compare with Thunder Client
Be the first to review
ReadMe
Helping you create docs that make your APIs easy to use and maintain.
No reviews yet
Choose it over Thunder Client for: Web; integration with GitHub, GitLab or Slack; SOC 2.
Free plan
Yes
Paid plans from
Pro, $250 per month, billed annually (as of October 28, 2026)
Free trial
Yes
Platforms
Web
Integrations shared with Thunder Client
None in common
Main features
Interactive API reference, Bi-directional Git sync, AI Writer
Security and compliance
SOC 2, GDPR, SSO
Be the first to review
Swagger
Swagger brings API design, testing, and documentation together with AI-ready products.
No reviews yet
Choose it over Thunder Client for: Web; integration with GitHub, GitLab or Bitbucket.
Paid plans from
Individual, $22.80 per user per month (as of November 14, 2026)
Free trial
Yes
Platforms
Web
Integrations shared with Thunder Client
None in common
Main features
API design studio, API documentation portal, Contract testing
Security and compliance
SSO
Compare with Thunder Client
Be the first to review

People who moved on from Thunder Client

From reviews of other tools that say they used Thunder Client before.

No reviewer has said they switched from Thunder Client yet.

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At a glance

We list 9 other API tools as alternatives to Thunder Client: Apidog, Bruno, Hoppscotch, Insomnia, Mintlify, Postman, RapidAPI for Mac, ReadMe and Swagger.

Bruno, Hoppscotch, Insomnia, Mintlify, Postman, RapidAPI for Mac and ReadMe have a free plan.

Bruno works with Cursor, as Thunder Client does.

From each tool's own website and from published reviews. Each tool's page says when its facts were checked.