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Dev tools · alternatives · 2026

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24 alternatives to Nap – Fast HTTP Automation, No Fuss

Lightning-Fast, Accurate, Open Source API Test Automation

Nap is an HTTP automation tool designed for developers who want straightforward request testing and scripting without complexity. It streamlines the process of building and executing HTTP workflows, making it useful… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Nap – Fast HTTP Automation, No Fuss launched in 2023; newer entries below may have overtaken it.

  1. 1

    Nap is a command-line tool that utilizes YAML files to test APIs. - davesheldon/nap

    2021 · github.com · its alternatives →

  2. 2

    Develop APIs fast + automatically detect endpoints

    2025 · fastrequest.apidog.com · its alternatives →

  3. 3

    Automate the web in your app or agent, no browser to host

    Jul 2026 · tabstack.ai · its alternatives →

  4. 4
    Reliv▲402

    Quickest QA automation for startups

    2024 · reliv.ai · its alternatives →

  5. 5

    Hey HN! We’re Max and Thibault building OpenStatus.dev an OpenSource synthetic monitoring platform with incident managements 1 min demo: https://twitter.com/mxkaske/status/1685666982786404352 We have just reached 2000 stars on GitHub https://github.com/openstatusHQ/openstatus We are really excited to hear your feedback/questions and connect further: our emails are [email protected] and [email protected]. Thank you!

    2025 · openstatus.dev · its alternatives →

  6. 6

    Fully automate software testing end-to-end using AI

    2024 · its alternatives →

  7. 7

    A few months ago, I benchmarked FastAPI on an i9 MacBook Pro. I couldn't believe my eyes. A primary REST endpoint to `sum` two integers took 6 milliseconds to evaluate. It is okay if you are targeting a server in another city, but it should be less when your client and server apps are running on the same machine. FastAPI would have bottleneck-ed the inference of our lightweight UForm neural networks recently trending on HN under the title "Beating OpenAI CLIP with 100x less data and compute". (Thank you all for the kind words!) So I wrote another library. It has been a while since I have…

    2023 · github.com · its alternatives →

  8. 8

    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 →

  9. 9

    Hey, HN community, We're so excited to share Automatisch with HN finally. Automatisch is an open-source workflow automation tool, an alternative to Zapier. Together with my co-founder (@barinali), we have been working on it for about 15 months and have started getting early adopters. Automatisch is a workflow automation tool that lets you connect different web services like Slack, Github, Twitter, and more to automate your business processes. For example, you can build automation that gets all new tweets, including the "open source" phrase, and post them to the Slack channel you specified.…

    2023 · automatisch.io · its alternatives →

  10. 10

    First HTTP programming language

    2025 · httl.dev · its alternatives →

  11. 11

    Hurl, run and test HTTP requests with plain text and curl. Hurl can run fast automated integration tests.

    2021 · hurl.dev · its alternatives →

  12. 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. 13QG
  14. 14

    Automated UI testing for your Websites & Web Apps

    2020 · preflight.com · its alternatives →

  15. 15

    Hey there HN! I just wrapped up an all-day documentation spree for Instant API, a JavaScript framework for easily building web APIs that implements type safety at the HTTP interface. It uses a function-as-a-service approach combined with a slightly modified JSDoc spec to automatically enforce parameter and schema validation before HTTP requests make it through to your code. You just write comments above your endpoint functions and voila, enforced type safety contracts between your API endpoints and your developers. OpenAPI specifications are generated automatically as a byproduct of simply…

    2023 · github.com · its alternatives →

  16. 16
    Speedy▲61

    The Backend you always wanted for your web and mobile apps..

    2023 · its alternatives →

  17. 17
    req▲71

    A lightweight, minimal yet powerful API testing tool

    2022 · npmjs.com · its alternatives →

  18. 18

    Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.

    2017 · mockoon.com · its alternatives →

  19. 19

    No-code solution for creating scalable Rest APIs

    2021 · its alternatives →

  20. 20

    Codeless & reliable web test automation tool

    2017 · cloudqa.io · its alternatives →

  21. 21
    Karate▲89

    Web-services testing made simple 🥋

    2018 · github.com · its alternatives →

  22. 22

    Open-source platform unifying API & UI test automation

    2023 · karatelabs.io · its alternatives →

  23. 23

    All-in-one task automation tool for all your apps & database

    2021 · dronahq.com · its alternatives →

  24. 24

    Automate web, mobile & API testing without coding.

    2024 · getscandium.com · 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 →