# API: Which fields contain birth\_date, weight, and resting\_hr in /athlete/{id} endpoint?

**URL:** <https://forum.intervals.icu/t/api-which-fields-contain-birth-date-weight-and-resting-hr-in-athlete-id-endpoint/127226>\
**Category:** Uncategorized\
**Created:** [14 April 2026 23:30 UTC](https://forum.intervals.icu/t/api-which-fields-contain-birth-date-weight-and-resting-hr-in-athlete-id-endpoint/127226 "2026-04-14T23:30:16Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Yuyumx](https://forum.intervals.icu/user_avatar/forum.intervals.icu/yuyumx/32/57694_2.png) [@Yuyumx](https://forum.intervals.icu/u/Yuyumx)\
**Post date:** [14 April 2026 23:30 UTC](https://forum.intervals.icu/t/api-which-fields-contain-birth-date-weight-and-resting-hr-in-athlete-id-endpoint/127226/1 "2026-04-14T23:30:16Z")

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Hello,

I’m integrating with the Intervals.icu API and retrieving athlete profile data from the  
/athlete/{id} endpoint using HTTPBasicAuth with a coach API key.

Currently, I’m successfully getting:

- name
- email
- height (in meters, e.g., 1.73)
- sex
- city
- state
- country
- timezone
- visibility

However, I’m NOT receiving these fields:

- birth\_date / dateOfBirth / dob (trying multiple field names)
- weight / weight\_kg (trying multiple field names)
- resting\_hr / restingHeartRate / rhr (trying multiple field names)

Questions:

1. Are these fields (birth\_date, weight, resting\_hr) included in the /athlete/{id} endpoint?
2. If not, what is the correct API endpoint to retrieve this data?
3. Are there any special permissions needed to access these fields?
4. What are the exact JSON field names for these values?

The athlete profile in intervals.icu shows these values (Weight: 60kg, Height: 173cm,  
Resting HR: 86bpm, Birth Date: Jan 1, 2000), but they’re not coming through the API.

Any guidance would be appreciated!

Thanks,  
yuyu.com.mx

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**Author:** ![MedTechCD](https://forum.intervals.icu/user_avatar/forum.intervals.icu/medtechcd/32/40383_2.png) [@MedTechCD](https://forum.intervals.icu/u/MedTechCD)\
**Post date:** [15 April 2026 08:03 UTC](https://forum.intervals.icu/t/api-which-fields-contain-birth-date-weight-and-resting-hr-in-athlete-id-endpoint/127226/2 "2026-04-15T08:03:08Z")

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> [@Intervals.icu API Integration Cookbook](https://forum.intervals.icu/t/intervals-icu-api-integration-cookbook/80090):
>
> This tells you everything you need to know to get completed activities into and out of Intervals.icu, to download planned workouts and to read and update wellness data. Example calls use curl so you can easily try them out. Sources: [API access to Intervals.icu](https://forum.intervals.icu/t/api-access-to-intervals-icu/609)[Intervals.icu OAuth support](https://forum.intervals.icu/t/intervals-icu-oauth-support/2759)[Intervals.icu API docs](https://intervals.icu/api-docs.html) By using the API you agree to the [Intervals.icu API Terms and Conditions](https://forum.intervals.icu/t/intervals-icu-api-terms-and-conditions/114087). Authorization Apps need to use an access\_token obtained via [OAuth](https://forum.intervals.icu/t/intervals-icu-oauth-support/2759). If you are just working with your own data…

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**Author:** ![pepe](https://forum.intervals.icu/user_avatar/forum.intervals.icu/pepe/32/36539_2.png) [@pepe](https://forum.intervals.icu/u/pepe)\
**Post date:** [15 April 2026 14:15 UTC](https://forum.intervals.icu/t/api-which-fields-contain-birth-date-weight-and-resting-hr-in-athlete-id-endpoint/127226/3 "2026-04-15T14:15:07Z")

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Hi MedTechCD,

What about age (date of birth)? Couldn’t find it in the API docs

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<div class="post-metadata">

**Author:** ![MedTechCD](https://forum.intervals.icu/user_avatar/forum.intervals.icu/medtechcd/32/40383_2.png) [@MedTechCD](https://forum.intervals.icu/u/MedTechCD)\
**Post date:** [15 April 2026 14:29 UTC](https://forum.intervals.icu/t/api-which-fields-contain-birth-date-weight-and-resting-hr-in-athlete-id-endpoint/127226/4 "2026-04-15T14:29:32Z")

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It’s in the Athlete end-point under “icu\_date\_of\_birth”

 ![image](https://forum.intervals.icu/uploads/default/original/3X/b/a/bae89c5222f80f49bda399518e030277ea334279.png)

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<div class="post-metadata">

**Author:** ![pepe](https://forum.intervals.icu/user_avatar/forum.intervals.icu/pepe/32/36539_2.png) [@pepe](https://forum.intervals.icu/u/pepe)\
**Post date:** [15 April 2026 14:42 UTC](https://forum.intervals.icu/t/api-which-fields-contain-birth-date-weight-and-resting-hr-in-athlete-id-endpoint/127226/5 "2026-04-15T14:42:05Z")

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thanks.