Hello everyone, I can’t enter a birthday… does anyone else have the same problem?
yes, same , says the number is invalid
Yeah, came here to mention exactly this. I can enter YEAR and MONTH, but DAY is always invalid.
Same here - cannot enter the day
@david Cleared the date, and indeed can’t enter a day, it’s always invalid.
Looks like the month is the problem, if there is a number, the day can be entered.
+1 – same here
Interesting, I am unable to enter a numerical value for MONTH. I can only enter a string from the dropdown selection. I can enter the DAY before selecting a MONTH, but as soon as I select a MONTH the DAY becomes invalid.
I was able to set the date of birth again via API on
https://intervals.icu/api/v1/docs/swagger-ui/index.html#/Athletes/updateAthlete
Authorize
Input your athlete id and date of birth:
If it is set, the month is numeric. As soon as you change it to the string, the day becomes invalid.
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Thank You! This worked for me.
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It doesn’t work for me; I get this error:
But you taught me something new today. Thanks.
You’re welcome.
The comma must be removed. Forget to remove it from the screenshot.
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Bingo!
Thanks 
it now works.
Where can I find my ID?
You can find your ID and generate an API key in the ‘Settings’ menu accessible from the left side vertical toolbar
after I execute the birthday, it says another errors. first resting heart invalid, weight invalid, invalid welness option, … So it is still not working
Clear all the other data and only have the line for the date.
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Yes same can not enter a day via the dashboard
on new created account, empty data
Thanks! worked for me …eventually. As a non-savvy api user i had to figure out a few things. Sharing here to hopefully make it smoother for others:
- Find your id near the bottom of the settings page of interval.icu under the developer tools heading
- Next to the ID from point 1 there is a button to generate an API key. Generate the key
- You will need to authorize Swagger to access your account. Do this by going to the top of the Swagger page and clicking on authorize. Enter API_KEY as your username and then enter the actual alpha-numeric api key generated in the previous step in the password field.
- Then click the ‘try it out’ button. clear out all the fields except the date of birth. Enter date of birth in yyyy-mm-dd format. also, enter your ID in the indicated field.
- Click execute. if it doesn’t work you’ll get an error of some sort. if it does, you won’t get an error but just a log with the server response that’s a little murky. Go back to your intervals.icu settings page, click refresh and your birthdate should now show.
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I was not successful on Suterday but today it worked! Thanks for your support, guys!
here the screen shot, today 16 June 2025
