Dev tools · alternatives · 2026

24 alternatives to API Castor

Easily convert spreadsheets into accessible URL endpoints

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. API Castor launched in 2015; newer entries below may have overtaken it.

1. 1EC
   Easily convert spreadsheets into accessible URL endpoints▲13

   2015 · apicastor.com · its alternatives →

2. 2
   Sheetsu▲537

   Turn Google Spreadsheet into API

   2015 · sheetdb.io · its alternatives →

3. 3
   Sheety▲974

   Turn your Google Sheet into an API instantly, for free

   2019 · sheety.co · its alternatives →

4. 4
   SheetBest▲276

   Turn a SpreadSheet (Google or Excel) into a REST API

   2019 · sheetbest.com · its alternatives →

5. 5
   Sheety 2.0▲410

   Turn your Google Sheet into a fully RESTful API

   2019 · sheety.co · its alternatives →

6. 6
   Turn a Google Spreadsheet into an API▲357

   Use your Google Sheets as a JSON API. Connect Google Spreadsheets with your CRM or any other tool using JSON API and RESTful requests.

   2015 · sheetsu.com · its alternatives →

7. 7
   SheetDB▲147

   Turn a Google Spreadsheet into a RESTful API

   2019 · sheetdb.io · its alternatives →

8. 8
   Blockspring▲258

   Access web services from spreadsheets

   2015 · blockspring.com · its alternatives →

9. 9
   Sheetlabs – Turn your spreadsheets into APIs▲158

   Sheetlabs lets you turn Excel and Google Sheets into powerful APIs. No development required!

   2014 · sheetlabs.com · its alternatives →

10. 10
    Using Google Sheets as the back end/APIs of your app▲356

    Hello everyone! At a company I worked for, we needed to develop an MVP (basically a web page) and apply certain business logic to a Google Drive spreadsheet that was frequently updated by the Sales team. In this case, we had two options: Develop a backend to replace the current spreadsheet and have the sales team use it as a new "backoffice" - This would take a very long time, and if the hypothesis we were testing was wrong, it would be time wasted. Create the web page and use Google's SDK to extract data from the spreadsheet. We chose to go with the second option because it was quicker.…

    2024 · zerosheets.com · its alternatives →

11. 11
    SpreadSimple▲366

    A blazing-fast way to create and manage sites using Sheets

    2020 · spreadsimple.com · its alternatives →

12. 12
    Parsehubfree tier, from $189/mo▲96

    Turn dynamic websites into APIs

    2014 · parsehub.com · its alternatives →

13. 13
    Azurepath▲81

    Turn your existing spreadsheet into immediate insights.

    2016 · its alternatives →

14. 14
    WrapAPI▲291

    Build an API on top of any website

    2016 · wrapapi.com · its alternatives →

15. 15
    DashGPT▲287

    I guys, I built this spreadsheet to dashboard tool. You can attach any csv and optionally a prompt for what insights you want it to include, and it reasons over the data and produces a dashboard of different charts. Let me know what y'all think! Demo Video/more here: https://www.producthunt.com/products/spreadsite/launches/das...

    2024 · dashgpt.ai · its alternatives →

16. 16
    Reader API for DataStack▲128

    Scrape and parse websites with a single endpoint

    2015 · api.datastack.co · its alternatives →

17. 17
    Listly Chrome Extension▲372

    Convert webpages into Excel data in seconds

    2018 · chromewebstore.google.com · its alternatives →

18. 18
    Slate▲109

    Making Spreadsheets Understandable.

    2014 · useslate.com · its alternatives →

19. 19
    Tabledo▲285

    Create dynamic websites using data from your spreadsheets

    2017 · tabledo.com · its alternatives →

20. 20
    Magic by Import.io▲166

    The fastest way to turn a webpage into a table of data

    2014 · its alternatives →

21. 21
    Spreadsheet Booster▲172

    Import external data directly into your spreadsheets

    2014 · spreadsheetbooster.com · its alternatives →

22. 22
    SheetAPI▲148

    Transform Google Sheet into a RESTful JSON API

    2019 · its alternatives →

23. 23
    ConvertHub▲53

    Hi HN, I've built a lightweight file conversion API as a side project - Supports 100+ formats - REST API with PHP + JS SDKs - White-label frontend + backend available feedback welcome!

    2025 · converthub.com · its alternatives →

24. 24
    Bespoke▲178

    A super simple free tool for dynamically changing content

    2014 · its alternatives →

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 →