nowfound

Dev tools · alternatives · 2026

24 alternatives to API Error Helper

Instantly understand api errors (401, 404, 500...)

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Build free 404, 503 and maintenance pages in 60 seconds

    2015 · its alternatives →

  2. 2
    500 error▲129

    Your server can crash anytime. Don't miss important leads!

    2016 · its alternatives →

  3. 3

    Hypertext Transfer Protocol Response status codes, and dogs

    2021 · its alternatives →

  4. 4

    Gardening for every HyperText Transfer Protocol status code

    2023 · its alternatives →

  5. 5
    Janitor▲181

    Keep your websites clean and healthy

    2019 · its alternatives →

  6. 6IR

    Sharing an internal tool that accelerated my development work 10-fold, especially with API debugging. Thought fellow developers here might find it useful. As a developer, I often have trouble reproducing errors at the client end. https://intercept.rest lets me debug and monitor API requests and responses. It is similar to the Network tab in Chrome Developer Tools but works for any API: mobile apps, webhooks, frontend etc. After I shared it with a close circle of friends, they found it incredibly useful and even found new use cases, I never imagined. Been a long time lurker here and…

    2018 · its alternatives →

  7. 7
    apiJuice▲223

    Create a hosted API for anything in seconds

    2025 · apijuice.com · its alternatives →

  8. 8

    A 10-question quiz to learn HTTP status codes the fast way

    Jun 2026 · jsondevtools.org · its alternatives →

  9. 9

    Turn any website into a reliable API with 1 prompt

    Dec 2025 · skills.browser-use.com · its alternatives →

  10. 10

    Debug API errors in Chrome without digging through DevTools

    Apr 2026 · api-error-debugger.soft-core.dev · its alternatives →

  11. 11AD

    tl;dr we at Escape (YC W23), we scanned 5651+ public APIs on the internet with our in house feedback driven API exploration tech, and ranked them using security, performance, reliability, and design criteria. The results are public on https://apirank.dev. You can request that we index your own API to the list for free and see how it compares to others. Why we did that? During a YC meetup I spoke with a fellow founder that told me how hard it was to pick the right external APIs to use within your own projects. I realized that most of what we build relies on public APIs from external…

    2023 · apirank.dev · its alternatives →

  12. 12
    ApiHome▲73

    Home of API testing

    2022 · its alternatives →

  13. 13ED
  14. 14
    Requestly▲148

    Debug & Modify HTTP(s) Requests - loved by 125K+ web devs

    2019 · its alternatives →

  15. 15
    JSON Api▲175

    Hosted API's to develop your app for free 🙌

    2020 · its alternatives →

  16. 16SE

    I recently wanted to test how a part of a web app responded to a 502 HTTP status code from a remote site from which it was pulling data. When I came to test it, the remote site was working fine, but I still wanted the 502. So I created statuscoder, just append your desired status code to the URL and it'll respond with that code. http://statuscoder.com It's my first single-use project and I like its simplicity - it does one job and (hopefully) does it well. Is there anything else that you'd want to see it do?

    2012 · statuscoder.com · its alternatives →

  17. 17

    A ranking of 5651+ public APIs on the internet

    2023 · its alternatives →

  18. 18UD

    Hey HN, I built uncurl.dev to scratch my own itch: I kept getting curl commands in API docs, bug reports, or Slack messages and wanted a quick way to visualize, run, and debug them without firing up Postman or writing code to dissect them. It was also sometimes painful to create a test page specifically for non-tech users to consume an API. I originally vibe-coded this over a weekend just to make it easier for myself to debug API requests shared as curl commands. It slowly grew into something I found surprisingly useful in my workflow, so I decided to clean it up and share it. uncurl.dev…

    2025 · uncurl.dev · its alternatives →

  19. 19AC

    To understand the meaning of an HTTP status code and list all codes belonging to a specific class from your terminal.

    2022 · github.com · its alternatives →

  20. 20IA

    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 →

  21. 21
    Decoder▲85

    Instantly decode error and status codes

    2019 · its alternatives →

  22. 22

    Understand HTTP errors instantly; causes, comparisons, fixes

    Mar 2026 · errorlookup.com · its alternatives →

  23. 23
    APIstax▲64

    Secure and reliable APIs for your common business needs

    2022 · its alternatives →

  24. 24

    Data APIs for AI agents & developers — free to start

    Feb 2026 · apipick.com · its alternatives →

Also compare

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 →