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Welcome to the official OneSignal Go Client

A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com

  • API version: 5.4.0
  • Package version: 5.4.0

Installation

go get github.com/OneSignal/onesignal-go-api/v5

Configuration

Every SDK requires authentication via API keys. Two key types are available:

  • REST API Key — required for most endpoints (sending notifications, managing users, etc.). Found in your app's Settings > Keys & IDs.
  • Organization API Key — only required for organization-level endpoints like creating or listing apps. Found in Organization Settings.

Warning: Store your API keys in environment variables or a secrets manager. Never commit them to source control.

import onesignal "github.com/OneSignal/onesignal-go-api"

restAuth := context.WithValue(
    context.Background(),
    onesignal.RestApiKey,
    "YOUR_REST_API_KEY",
)

orgAuth := context.WithValue(
    restAuth,
    onesignal.OrganizationApiKey,
    "YOUR_ORGANIZATION_API_KEY",
)

apiClient := onesignal.NewAPIClient(onesignal.NewConfiguration())

Send a push notification

notification := *onesignal.NewNotification("YOUR_APP_ID")
notification.SetContents(onesignal.StringMap{En: onesignal.PtrString("Hello from OneSignal!")})
notification.SetHeadings(onesignal.StringMap{En: onesignal.PtrString("Push Notification")})
notification.SetIncludedSegments([]string{"Subscribed Users"})

response, _, err := apiClient.DefaultApi
    .CreateNotification(orgAuth)
    .Notification(notification)
    .Execute()

if err != nil {
    log.Fatal(err)
}
fmt.Println("Notification ID:", response.GetId())

Send an email

notification := *onesignal.NewNotification("YOUR_APP_ID")
notification.SetEmailSubject("Important Update")
notification.SetEmailBody("<h1>Hello!</h1><p>This is an HTML email.</p>")
notification.SetIncludedSegments([]string{"Subscribed Users"})
notification.SetChannelForExternalUserIds("email")

response, _, err := apiClient.DefaultApi
    .CreateNotification(orgAuth)
    .Notification(notification)
    .Execute()

Send an SMS

notification := *onesignal.NewNotification("YOUR_APP_ID")
notification.SetContents(onesignal.StringMap{En: onesignal.PtrString("Your SMS message content here")})
notification.SetIncludedSegments([]string{"Subscribed Users"})
notification.SetChannelForExternalUserIds("sms")
notification.SetSmsFrom("+15551234567")

response, _, err := apiClient.DefaultApi
    .CreateNotification(orgAuth)
    .Notification(notification)
    .Execute()

Full API reference

The complete list of API endpoints and their parameters is available in the DefaultApi documentation.

For the underlying REST API, see the OneSignal API reference.