Dev tools · alternatives · 2026
24 alternatives to Interspect
Test the data you send to Microservices & APIs
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. Interspect launched in 2019; newer entries below may have overtaken it.
- 1
Generate custom data & API to build apps in less than 30s
2021 · retool.com · its alternatives →
- 2
Serve▲69Generate REST API endpoints through a low-code platform
2022 · withserve.com · its alternatives →
- 3
API_TESTER▲249Test your APIs right from the macOS menu bar
2025 · apps.apple.com · its alternatives →
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FetchSandboxfree tier, from $5/mo▲348API integration testing that remembers what breaks
Jul 2026 · fetchsandbox.com · its alternatives →
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Endpoints.dev is for sale on Spaceship. Secure checkout and quick transfer. See all purchase options. No hidden fees.
2020 · endpoints.dev · its alternatives →
- 7
Hey HN! We've developed OpenAPI AutoSpec, a tool for automatically generating OpenAPI specifications from localhost network traffic. It’s designed to simplify the creation of API documentation by just using your website or service, especially useful when you're pressed for time. Documenting endpoints one by one sucks. This project originated from us needing it at our past jobs when building 3rd-party integrations. It acts as a local server proxy that listens to your application’s HTTP traffic and automatically translates this into OpenAPI 3.0 specs, documenting endpoints, requests, and…
2024 · github.com · its alternatives →
- 8
Refraction▲156Generate unit tests, create docs and refactor code using AI.
2023 · refraction.dev · its alternatives →
- 9TP
2011 · httpposttool.com · its alternatives →
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HTTPDump▲94Inspect HTTP requests, compare them or mock response
2021 · dashcards.io · its alternatives →
- 12
Hi, this is Mish and Sebastian. We are working on Step CI - a fully automated API testing platform for developers. Step CI works programming-language independent and for different API paradigms (REST, GraphQL, XML). Our CLI and test runner are available on GitHub (https://github.com/stepci) under the MPLv2 license. Since our last launch, Step CI is now able to generate automated tests for your API based on your OpenAPI (Swagger) spec. This saves you a lot of time as you never have to write and maintain your tests again! We would like to invite you to try our tool and give us…
2022 · stepci.com · its alternatives →
- 13
Automate cross browser testing with an online selenium grid
2019 · testmuai.com · its alternatives →
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InterimAPI▲68Custom API endpoints with realistic fake data in seconds
2022 · interimapi.com · its alternatives →
- 17
Decoy▲99Decoy lets developers create mock services locally on macOS. Test webhooks, API wrappers, scrapers and more. No Docker, no Electron, just a beautiful 10 MB native app.
Mar 2026 · decoy-app.com · its alternatives →
- 18
Run and test your HTTP requests. Git friendly, 100% local. - 4lejandrito/fetchbook
2023 · github.com · its alternatives →
- 19
Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman 👨🏽🚀 - apideck-libraries/portman
2021 · github.com · its alternatives →
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RequestFlow▲12Turn complex REST testing scenarios into beautiful graphs
2021 · requestflow.dev · its alternatives →
- 22
HTTP Mock▲22Intercept, debug & mock HTTP(S) with zero setup
2019 · httptoolkit.com · its alternatives →
- 23ST
2023 · skyramp.dev · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →