{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/slash/main/json-schema/slash-authorization-webhook-config-schema.json", "title": "AuthorizationWebhookConfig", "description": "Configuration specific to the authorization webhook, discriminated on `fallbackBehavior`.\n\nThe fallback behavior is used when the webhook cannot produce an answer — it fails to send a response in time, sends an invalid response, or cannot be reached (including while Slash is operating in a degraded mode where external webhooks cannot be consulted):\n- `reject`: the transaction is declined.\n- `default`: the transaction continues through Slash's standard authorization flow (balance and limit checks still apply). If a `when` condition is provided, only transactions matching the condition continue; non-matching transactions are declined.\n", "x-generated": "2026-10-12", "x-method": "derived", "x-generator": "derive-json-schema.py", "x-source": "openapi/slash-account-api-openapi.yml#/components/schemas/AuthorizationWebhookConfig", "oneOf": [ { "type": "object", "description": "Always decline the transaction when the webhook cannot produce an answer.", "properties": { "fallbackBehavior": { "type": "string", "enum": [ "reject" ], "description": "The transaction will be declined." } }, "required": [ "fallbackBehavior" ] }, { "type": "object", "description": "Continue the transaction through the standard authorization flow when the webhook cannot produce an answer — for every transaction, or only for transactions matching the optional `when` condition.\n", "properties": { "fallbackBehavior": { "type": "string", "enum": [ "default" ], "description": "The transaction will continue to run through the standard authorization flow (e.g. the balance check)." }, "when": { "$ref": "#/$defs/AuthorizationWebhookCondition", "description": "Optional condition restricting which transactions the `default` fallback applies to: matching transactions continue through the standard authorization flow, non-matching transactions are declined. Omit to apply the `default` fallback to every transaction.\n", "x-entrypoint": { "virtualPath": "schemas/AuthorizationWebhookCondition", "sourcePath": "schemas/AuthorizationWebhookCondition.yaml", "title": "AuthorizationWebhookCondition", "origin": "./src/publicApi" } } }, "required": [ "fallbackBehavior" ] } ], "x-entrypoint": { "virtualPath": "schemas/AuthorizationWebhookConfig", "sourcePath": "schemas/AuthorizationWebhookConfig.yaml", "title": "AuthorizationWebhookConfig", "origin": "./src/publicApi" }, "$defs": { "AuthorizationWebhookCondition": { "description": "A condition expression evaluated against a card authorization, used to decide whether the `default` fallback behavior applies to that transaction.\n\nConditions form a small expression tree:\n- Logical nodes (`and` / `or`) combine two sub-conditions and can be nested.\n- Comparison leaves (`lte`, `lt`, `gte`, `gt`, `eq`) test the transaction amount (`amountCents`, the absolute amount in USD cents).\n- Set-membership leaves (`in`) test whether the transaction's `merchantCategoryCode` (4-digit MCC) or `merchantCountry` (ISO 3166-1 alpha-2, as delivered on the authorization request event's `merchant.location.country`) is one of the given values.\n\nA condition over a field the authorization request did not carry evaluates to false.\n", "oneOf": [ { "type": "object", "description": "Logical node: combines two sub-conditions with `and` (both must match) or `or` (either must match). Sub-conditions may themselves be logical nodes.\n", "properties": { "operator": { "type": "string", "enum": [ "and", "or" ], "description": "How the two sub-conditions are combined." }, "left": { "$ref": "#/$defs/AuthorizationWebhookCondition", "description": "The first sub-condition.", "x-entrypoint": { "virtualPath": "schemas/AuthorizationWebhookCondition", "sourcePath": "schemas/AuthorizationWebhookCondition.yaml", "title": "AuthorizationWebhookCondition", "origin": "./src/publicApi" } }, "right": { "$ref": "#/$defs/AuthorizationWebhookCondition", "description": "The second sub-condition.", "x-entrypoint": { "virtualPath": "schemas/AuthorizationWebhookCondition", "sourcePath": "schemas/AuthorizationWebhookCondition.yaml", "title": "AuthorizationWebhookCondition", "origin": "./src/publicApi" } } }, "required": [ "operator", "left", "right" ] }, { "type": "object", "description": "Amount comparison leaf: tests the absolute transaction amount in USD cents against `value`.\n", "properties": { "operator": { "type": "string", "enum": [ "lte", "lt", "gte", "gt", "eq" ], "description": "The comparison to apply: less-than-or-equal, less-than, greater-than-or-equal, greater-than, or equal." }, "field": { "type": "string", "enum": [ "amountCents" ], "description": "The transaction field being compared. Amounts are compared as absolute values in USD cents." }, "value": { "type": "integer", "description": "The amount in USD cents to compare against." } }, "required": [ "operator", "field", "value" ] }, { "type": "object", "description": "Set-membership leaf: tests whether the transaction's merchant category code or merchant country is one of `values`.\n", "properties": { "operator": { "type": "string", "enum": [ "in" ], "description": "Matches when the transaction's field value is one of `values`." }, "field": { "type": "string", "enum": [ "merchantCategoryCode", "merchantCountry" ], "description": "`merchantCategoryCode` is the 4-digit MCC; `merchantCountry` is the ISO 3166-1 alpha-2 merchant country." }, "values": { "type": "array", "items": { "type": "string" }, "description": "The set of values to match against." } }, "required": [ "operator", "field", "values" ] } ], "x-entrypoint": { "virtualPath": "schemas/AuthorizationWebhookCondition", "sourcePath": "schemas/AuthorizationWebhookCondition.yaml", "title": "AuthorizationWebhookCondition", "origin": "./src/publicApi" }, "title": "AuthorizationWebhookCondition" } } }