> ## Documentation Index > Fetch the complete documentation index at: https://docs.getasset.com/llms.txt > Use this file to discover all available pages before exploring further. # Get a Classification Rule > **Scopes:** `classification_rule:read` ## OpenAPI ````yaml /api-reference/openapi.json get /v0/business/{business_id}/rules/classifications/{rule_id} openapi: 3.1.0 info: title: Asset API version: '0.1' servers: - url: https://api.sandbox.getasset.com description: Sandbox - url: https://api.getasset.com description: Production security: [] paths: /v0/business/{business_id}/rules/classifications/{rule_id}: get: tags: - Classification Rules summary: Get a Classification Rule description: '**Scopes:** `classification_rule:read`' operationId: >- get_classification_rule_v0_business__business_id__rules_classifications__rule_id__get parameters: - name: business_id in: path required: true schema: description: The id of the business examples: - biz_GA6EG2qFxA97NZHtxeLPUy type: string format: biz_string title: Business Id description: The id of the business - name: rule_id in: path required: true schema: description: The id of the classification rule examples: - clr_GA6EG2qFxA97NZHtxeLPUy type: string format: clr_string title: Rule Id description: The id of the classification rule responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/TxnClassificationRulePublic' '401': content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' description: Unauthorized '403': content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' description: Forbidden '404': content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' description: Not Found '422': content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' description: Unprocessable Content '503': content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' description: Service Unavailable security: - OAuth2PasswordBearer: - classification_rule:read components: schemas: TxnClassificationRulePublic: properties: merchant: anyOf: - type: string maxLength: 255 - type: 'null' title: Merchant description: >- Case-insensitive exact merchant name to match. Mutually exclusive with the description criterion; exactly one of the two is required. examples: - Starbucks description_match_type: anyOf: - $ref: '#/components/schemas/DescriptionMatchType' - type: 'null' description: How to match the transaction description. description_value: anyOf: - type: string maxLength: 512 - type: 'null' title: Description Value description: Description text to match, case-insensitive. examples: - MONTHLY SOFTWARE SUBSCRIPTION id: type: string format: clr_string title: Id description: The id of the classification rule examples: - clr_GA6EG2qFxA97NZHtxeLPUy classifications: items: $ref: '#/components/schemas/BusinessTxnClassificationPublic' type: array title: Classifications description: >- Classifications evaluated in order. Categorization applies the first one whose conditions match and that has a target ledger; tagging applies the tags of every one whose conditions match. auto_confirm: type: boolean title: Auto Confirm is_active: type: boolean title: Is Active description: Whether the rule takes part in categorization and tagging. match_count: type: integer title: Match Count description: Number of transactions the rule has matched. last_matched_at: anyOf: - type: string format: date-time - type: 'null' title: Last Matched At description: When the rule last matched a transaction. created_at: type: string format: date-time title: Created At type: object required: - id - classifications - auto_confirm - is_active - match_count - created_at title: TxnClassificationRulePublic ErrorResponse: properties: error: anyOf: - type: string - type: 'null' title: Error description: A description of the error data: title: Data description: Data associated with the error type: object required: - error - data title: ErrorResponse DescriptionMatchType: type: string enum: - contains - not_contains - equals title: DescriptionMatchType BusinessTxnClassificationPublic: properties: conditions: $ref: >- #/components/schemas/BusinessTxnClassificationConditionsSchema-Output description: >- Conditions the transaction must satisfy for this classification to apply. target_ledger_id: anyOf: - type: string format: ldg_string - type: 'null' title: Target Ledger Id description: >- The ledger to categorize the transaction into; null for a classification that only tags. target_ledger_name: anyOf: - type: string - type: 'null' title: Target Ledger Name description: Snapshot of the target ledger name at rule creation. tags: additionalProperties: items: type: string type: array type: object title: Tags description: Tag field name to the values applied. type: object required: - conditions - tags title: BusinessTxnClassificationPublic BusinessTxnClassificationConditionsSchema-Output: properties: amount: anyOf: - $ref: '#/components/schemas/AmountPredicate-Output' - type: 'null' description: Amount constraint; omit to match any amount. direction: anyOf: - $ref: '#/components/schemas/TransactionDirection' - type: 'null' description: >- Match money in (positive amounts) or money out (negative amounts). Zero-amount transactions match neither. Omit to match either. date: anyOf: - $ref: '#/components/schemas/DatePredicate' - type: 'null' description: Date constraint; omit to match any date. external_account_id: anyOf: - type: string format: eac_string - type: 'null' title: External Account Id description: >- The external account whose transactions this classification matches. Null matches transactions from any of the business's accounts. examples: - eac_GA6EG2qFxA97NZHtxeLPUy type: object title: BusinessTxnClassificationConditionsSchema AmountPredicate-Output: properties: operator: $ref: '#/components/schemas/AmountMatchType' description: How to compare the transaction amount. value: type: number title: Value description: >- Absolute home-currency amount to compare against; the inclusive lower bound when operator is between. examples: - 100 max_value: anyOf: - type: number - type: 'null' title: Max Value description: Inclusive upper bound, set only when operator is between. examples: - 250 type: object required: - operator - value title: AmountPredicate TransactionDirection: type: string enum: - money_in - money_out title: TransactionDirection DatePredicate: properties: operator: $ref: '#/components/schemas/DateMatchType' description: How to compare the transaction date (UTC calendar date). value: type: string format: date title: Value description: >- Date to compare against; the inclusive lower bound when operator is between. max_value: anyOf: - type: string format: date - type: 'null' title: Max Value description: Inclusive upper bound, set only when operator is between. type: object required: - operator - value title: DatePredicate AmountMatchType: type: string enum: - equals - greater_than - less_than - between title: AmountMatchType DateMatchType: type: string enum: - equals - before - after - between title: DateMatchType securitySchemes: OAuth2PasswordBearer: type: oauth2 flows: password: scopes: {} tokenUrl: /v0/auth/token ````