Quickstart
To get started with the Spike API first create an account, by signing up at https://spikeapi.com. Once approved you'll have access to the Spike developer console.
Once you have these credentials you can begin using Spike API.
Integration initialization
To initiate the integration flow and allow a user to connect data providers, applications must redirect the user to Spike's integration page.
Required parameters:
client_id (string) App ID for your team.
provider (string) name of the data provider.
user_id (string) A unique ID representing the end user. Typically this will be a user ID number from your application. Personally identifiable information should not be used in the user_id.
Providers
Provider | Short name |
Apple Health* | apple |
Dexcom | dexcom |
Dexcom Sandbox | dexcom_sandbox |
Fitbit | fitbit |
Garmin | garmin |
Google Fit | google_fit |
Oura | oura |
Polar | polar |
Spotify | spotify |
Strava | strava |
Withings | withings |
Whoop | whoop |
*Please, use iOS SDK (Swift or Flutter) to connect to Apple Health.
GET Method Example
POST Method Example
The form below is the client-side component your users will interact with to connect their accounts to Spike and allow you to access their accounts via the Spike API.
Integration Flow

Users will be redirected to a data provider website and users will be asked to submit authentication details. Once the user authorizes access to their data, Spike returns the user back to the application using the postback URL. (You can edit it on the developer console). Appended to the postback URL is the Spike user ID. Following is an example of the postback URL with the user ID highlighted:
https://my_test_app.com/callback?provider=fitbit&user_id=fa1e3803-6068-4ea7-9788-eccce210d30c
Please save it and use it for all user data requests.
Get data from devices
user_id (string) Key returned by Spike connect device request. This key should be stored in your database against the user and used for all interactions with the Spike API.
start_data (date) Date from in YYYY-MM-DD format
end_data (date) Date to in YYYY-MM-DD format
x-spike-auth (string) Application token from Spike console.
authorizationtoken (string) Application token from Spike console. (deprecated)