REST API block fails on POST requests to Google Apps Scripts web apps

💬 Queries and Resources
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1

The built-in REST API seems to have had a breaking change today.
In our use case this has affected the POST requests to Google Apps scripts web apps.

POST requests from a REST API block to a Google Apps Script web app (https://script.google.com/macros/s/.../exec) consistently fail with 405 Method Not Allowed. The same request succeeds from Postman, curl with -L, browser fetch()…
This suggests the REST API block is not handling the 302 redirect that Apps Script uses correctly.

  1. How to reproduce:
    Deploy any trivial Apps Script as a web app with a doPost(e) handler that returns ContentService.createTextOutput("ok"). Set "Execute as: Me", "Who has access: Anyone".
  2. In a Retool, add a REST API block: method POST, the /exec URL, Content-Type: application/json, any JSON body.
  3. Run the block.
  4. Response is 405 Method Not Allowed, Allow: HEAD, GET, content-type text/html.
  5. Make the same call from Postman with identical headers/body. Result: 200 OK
3

Hey @gasperblk - thanks for reaching out. This is likely related to a flag that we started ramping recently, but have since rolled back. We're in the process of replacing a problematic backend library and there are a few implementation bugs that we're working through.

Can you confirm that your query is back to working normally?

4

Seems to be working fine now, thank you.