# Anti-fraud blocklist update When the Anti-fraud system blocklist is updated (add or remove a parameter), Xsolla sends a webhook with the afs_black_list type to the webhook URL. The parameter addition is performed automatically on the Xsolla side or on request. Parameter removal is possible only on request. To receive this webhook, contact your Customer Success Manager or email csm@xsolla.com. Endpoint: POST afs-rejected-blocklist Version: 1.0 ## Request fields (application/json): - `notification_type` (string, required) Notification type. - `event` (object, required) Object with information about AFS blocklist event. - `event.action` (string) Type of event. Enum: "adding", "removing" - `event.reason` (string) Cause of event. Enum: "chargeback", "fraud_activity", "suspicious_activity", "ps_reported_fraud", "linked_chargeback", "partner_request", "friendly_fraud", "user_reported_fraud", "linked_parameter", "other_data_in_blacklist", "by_afs_filters", "wrongly_added", "removed_by_cs_review", "other_forgiveness_reason" - `event.parameter` (string) Name of parameter by which event occurred. Enum: "nick", "email", "ps_account", "ip_address", "card_issuer", "phone" - `event.parameter_value` (string) Value of parameter by which event occurred. - `event.date_of_last_action` (string) Time of the latest AFS blocklist event in the [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format. - `event.transaction_id` (string) Transaction ID associated with the parameter by which the event occurred. - `event.project_id` (integer) Project ID. You can find this parameter in your [Publisher Account](https://publisher.xsolla.com/) next to the name of the project. ## Response 400 fields (application/json): - `error` (object) - `error.code` (string) - `error.message` (string) ## Response 204 fields ## Response 500 fields