API health refers to the availability, performance, and functional correctness of not just API endpoints, but also supported transactions.

Monitoring the service operational status is helpful if you want to evaluate how the API performs and be aware of any potential degradation.

Monitor webhook statistics

Review statistics on sent webhooks:

The following table explains metrics available for the webhook monitoring.

Field	Description
Applicant	Applicant ID for which a webhook was sent. The ID is presented as a link to the applicant profile and marked with a colored bullet point that refers to the webhook status: Green — webhook sent successfully. Red — webhook sending failed. Black — webhook sending failed 5 times in a row or there was a critical failure.
Name	Webhook name.
Created	Webhook creation date and time.
Last Sent	Date and time when the webhook was last sent.
Next Scheduled	Date and time the webhook is scheduled to be sent. An empty cell means that webhook sending is not planned.
# Failures	Number of failed attempts to send the webhook.
HTTP Code	HTTP status code that was returned in response.
Error	Description of the error occurred while sending the webhook.
Actions	Resend button to manually send the webhook.

See API usage

Review the Sumsub API overall usage statistics for the selected period:

API response codes. Graph that shows how the API reacted to your calls over time. You can see the number of calls, date and time of the call, and call results:
Request count by IPs. Table that lets you view the number of requests and IPs from which they were sent.

Check the API availability using this method.