API & Developers

Connect with other developers from around the world and collaborate on ideas using the Smartsheet API.

How to detect content height when embedding a Smartsheet through an iframe
Hi, I'm implementing a custom CMS solution for allowing a client to embed Smartsheet pages into their software, the custom solution will show a textbox where the user will enter the Smartsheet URL and it will be embed in the page using an iframe. I have a few doubts for which I haven't found answers in the API…
Dynamic String URL with automatic submit
Hello all, I'm an instructional designer that uses Smartsheet for intake, project management, time management, and just all kinds of things. Recently I've used smartsheet to create leaderboards within eLearning lessons to show real time to the learners how they placed with points or time on interactions. However, they…
Sheet API - Identify if sheet is created from Project template
Hi, Is there any way we can identify if a sheet has been created using Project template (default pre-existing Project template on Smartsheet) or not using APIs? Thanks, Aditya
API Updating Row Format
I was trying to find some documentation on the format string and came across this forum. https://community.smartsheet.com/discussion/13111/update-row-background-with-api I'm trying to update the format of an entire row ( mainly just trying to update the background color of an existing row ). In the forum above it says to…
Attach a file to a Row
Hello, I am unsure what this is and how to get it in order to attach a file to a row in Smartsheet. Can someone please help? Examples would be great. Thank you!
Long-working API requests now responding with 500 "Unexpected Error (ExtAuthN)"...
API requests like the following (that have been working flawlessly for months)… GET /2.0/sheets/542002634510212?level=2&include=objectValue" are suddenly responding with 500 errors and the message "Unexpected Error (ExtAuthN)". Status page does not show an issue. Can you help debug?
Getting the Group ID for adding a user to a group in Group Management through API
I am wanting to add an email to a group using the API 2.0 but do not know how to get the group number. I thought it would be the number in the URL when viewing the groups, as in: https://admin.smartsheet.com/manage/groups/1234567 (yes, there are only 7 numbers) I am using the following example from API documentation:…
Download row level attachments through API
Hi @everyone I am trying to download Row level attachments through API But failed after trying different methods If any one has a solution, please help here
Anyone has a working Alteryx Output macro?
Just have a simple use case of overwriting an entire sheet with latest data on a daily basis, all the existing rows need to be deleted and new rows added. Column schema is not going to change
Using Copy Sheet API to copy column data and not formulas ?
I am trying to use the Copy Sheet API call to take a snapshot and archive on a weekly basis what has been entered into a source sheet. The source sheet has many formulas but I only want the data copied over. So far the source sheet is getting cloned over with formulas. I cannot have the copied formulas in the target sheet…

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Potential reasons why my trigger is not resulting an event during run log (Bridge)
I've completed the authentication process, created a trigger and made sure that the trigger has the right source sheet and event type but I am noticing that I can't get any data from the trigger. My goal is to get the row information when new row is added in my sheet so I can copy some of the data over to another sheet.…
Getting an error "Web.Contents failed to get contents from 'https://api.smartsheet.com/2.0/home'
I have a PowerBI dashboard which I have connected to Smartsheet report which was functionining normally over the past year. I downloaded the latest version of the Power BI on 06-Oct-2025 [ Version: 2.147.1085.0 64-bit (September 2025) ]. I am getting the following error "Web.Contents failed to get contents from…
Update Columns API Possible Bug - unable to clear all options in a MULTI_PICKLIST column
NOTE: I tried to file this several times a support ticket, but the AI BOT was unable to create a ticket and the OG Support Portal no longer allows the direct creation of tickets. Grrrrrr. ISSUE: It appears that the Update Column API PUT https://api.smartsheet.com/2.0/sheets/{sheetId}/columns/{columnId} fails to work as…

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