Test webhook subscription
documentedSends a test notification for a webhook subscription.
POST /v2/webhooks/subscriptions/{subscription_id}/testWebhooksno implementation yet0 runsInput
subscription_id*
Webhook Subscription ID
Enter the subscription ID
event_type*
Test Event Type
Enter event type (e.g., subscription.created)
square_version*
Square API Version
API version (e.g., 2026-01-22)
Calls Square as you (your API key is your account); keychains.dev holds the credentials.