Get Weight Log

Retrieves a list of all user's weight log entries for a given date.

Scope: weight

Request

GET	/1/user/[user-id]/body/log/weight/date/[date].json

URI Arguments

user-id	required	The encoded ID of the user. Use "-" (dash) for current logged-in user.
date	required	The date in the format yyyy-MM-dd

Request Headers

authorization	required	Specify the token type and Fitbit user’s access token. Token type: `Bearer`
accept	optional	The media type of the response content the client is expecting. Supported: `application/json`
accept-language	optional	The measurement unit system to use for response values. See Localization.
accept-locale	optional	The locale to use for response values. See Localization.

Examples

URL
CURL

GET https://api.fitbit.com/1/user/-/body/log/weight/date/2019-03-20.json
GET https://api.fitbit.com/1/user/GGNJL9/body/log/weight/date/2019-03-20.json

curl -X GET "https://api.fitbit.com/1/user/-/body/log/weight/date/2019-03-20.json" \
-H "accept: application/json" \
-H "authorization: Bearer <access_token>"

Element Name	Description
weight : bmi	Calculated BMI in the format X.XX<./td>
weight : date	Log entry date in the format yyyy-MM-dd.
weight : logId	Weight Log IDs are unique to the user, but not globally unique.
weight : source	The source of the weight log. See "source" values for more information. Support: `API` \| `Aria` \| `AriaAir` \| `Withings`
weight : time	Time of the measurement; hours and minutes in the format HH:mm:ss, set to the last second of the day if not provided.
weight : weight	Weight in the format X.XX, in the unit system that corresponds to the Accept-Language header provided or if not provided in metric.

{
  "weight": [
    {
      "bmi": 25.91,
      "date": "2019-03-01",
      “fat”: 21
      "logId": 1553067494000,
      "source": "Aria",
      "time": "07:38:14",
      "weight": 200
    }
  ]
}

Response Headers

content-type	The media type of the response content being sent to the client. Supported: `application/json`
fitbit-rate-limit-limit	The quota number of calls.
fitbit-rate-limit-remaining	The number of calls remaining before hitting the rate limit.
fitbit-rate-limit-reset	The number of seconds until the rate limit resets.

Note: The rate limit headers are approximate and asynchronously updated. This means that there may be a minor delay in the decrementing of remaining requests. This could result in your application receiving an unexpected 429 response if you don't track the total number of requests you make yourself.

Response Type

HTTP Status Code	HTTP response code. List of codes are found in the Troubleshooting Guide.
Status Message	Description of the status code.
Response Body	Contains the JSON response to the API call. When errors are returned by the API call, the errorType, fieldName and message text will provide more information to the cause of the failure.

Response Codes

200	A successful request.
400	The request had bad syntax or was inherently impossible to be satisfied.
401	The request requires user authentication.

Note: For a complete list of response codes, please refer to the Troubleshooting Guide.

Additional Information

"source" values

This field returns information on whether the user’s body fat or weight data was automatically or manually entered. It includes the following values:

API: The weight and/or body fat data originated from a 3rd party integration using the Web API, the data was manually entered into the Fitbit mobile or web application, or the data recorded by a predefined scale was manually edited.
Aria: The weight and/or body fat data originated from an Aria or Aria 2 scale.
AriaAir: The weight and/or body fat data originated from an Aria Air scale.
Withings: The weight and/or body fat data originated from a Withings scale.

Get Body Fat Log