> ## Documentation Index > Fetch the complete documentation index at: https://docs.canary.effectiveai.app/llms.txt > Use this file to discover all available pages before exploring further. # Get a current SERFF TOI/sub-TOI combination > Retrieve a UUID returned by listSerffInsuranceCombinations, including ownership, state, codes, names, electronic availability and source provenance. Null codes identify uncoded categories. The UUID stays stable across imports; the returned fields reflect the current stored values. ## OpenAPI ````yaml /openapi.json get /insurance/serff-insurance-types/combinations/{combinationId} openapi: 3.0.3 info: title: Effective API version: 2.0.0 description: The public Effective REST API. Authenticate using an Effective API key. servers: - url: https://api.canary.effectiveai.app/api/v2 description: Canary security: - bearerAuth: [] paths: /insurance/serff-insurance-types/combinations/{combinationId}: get: tags: - SERFF Insurance Types summary: Get a current SERFF TOI/sub-TOI combination description: >- Retrieve a UUID returned by listSerffInsuranceCombinations, including ownership, state, codes, names, electronic availability and source provenance. Null codes identify uncoded categories. The UUID stays stable across imports; the returned fields reflect the current stored values. operationId: getSerffInsuranceCombination parameters: - schema: type: string format: uuid description: >- Stable row ID; preserved when the same source pair is imported again. required: true description: >- Stable row ID; preserved when the same source pair is imported again. name: combinationId in: path responses: '200': description: Current combination. content: application/json: schema: $ref: '#/components/schemas/V2SerffInsuranceCombination' '400': description: >- Invalid request or cursor. Repeat the same filters and limit when following a cursor. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '401': description: Authentication required. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '403': description: Credential does not permit this operation. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '404': description: Combination not found. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '500': description: Unexpected failure. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' '503': description: Service temporarily unavailable; honor Retry-After. content: application/json: schema: $ref: '#/components/schemas/V2CodedError' security: - bearerAuth: [] components: schemas: V2SerffInsuranceCombination: type: object properties: id: type: string format: uuid description: >- Stable row ID; preserved when the same source pair is imported again. orgId: type: string description: >- Owning organization; the all-zero global org is shared reference data. toiId: type: string maxLength: 30 pattern: ^\d+$ description: SERFF parent TOI ID, retained independently of its code. subToiId: type: string maxLength: 30 pattern: ^\d+$ description: SERFF sub-TOI ID. The pair of source IDs identifies a combination. state: type: string pattern: ^[A-Z]{2}$ description: Two-letter state or territory code. businessType: type: string enum: - Property & Casualty - Life, Accident/Health, Annuity, Credit toiCode: type: string nullable: true maxLength: 100 pattern: ^[A-Z0-9]+(?:\.[A-Z0-9]+)*(?:\/[A-Z0-9]+(?:\.[A-Z0-9]+)*)*$ description: Null for a SERFF category without a code. Normalized before import. toiName: type: string minLength: 1 maxLength: 300 subToiCode: type: string nullable: true maxLength: 100 pattern: ^[A-Z0-9]+(?:\.[A-Z0-9]+)*(?:\/[A-Z0-9]+(?:\.[A-Z0-9]+)*)*$ description: Null for a SERFF subtype without a code. Normalized before import. subToiName: type: string minLength: 1 maxLength: 300 electronicEnabled: type: boolean description: >- Whether this combination is enabled for electronic filing in the source snapshot. sourceUrl: type: string maxLength: 4000 format: uri observedAt: type: string format: date-time required: - id - orgId - toiId - subToiId - state - businessType - toiCode - toiName - subToiCode - subToiName - electronicEnabled - sourceUrl - observedAt V2CodedError: allOf: - $ref: '#/components/schemas/V2Error' - type: object properties: code: type: string minLength: 1 description: Stable error code. Clients must tolerate unknown future codes. details: type: array items: type: object properties: location: type: string enum: - path - query - header - body path: type: array items: type: string maxLength: 64 maxItems: 12 code: type: string enum: - required - invalid_type - invalid_value - unknown_field message: type: string minLength: 1 maxLength: 200 required: - location - path - code - message minItems: 1 maxItems: 20 description: Bounded safe validation issues; may omit some invalid fields. requestId: type: string minLength: 1 maxLength: 128 description: >- Existing server correlation for this HTTP attempt, when available. dataset: type: string enum: - naic - osha description: Dataset needed for dataset_not_enabled. accessUrl: type: string nullable: true format: uri description: >- Where to add the product to your account, for product_access_required. required: - code V2Error: type: object properties: error: type: string minLength: 1 description: Human-readable explanation of the failure. required: - error securitySchemes: bearerAuth: type: http scheme: bearer description: 'Effective API key. Send Authorization: Bearer sk-eai-...' ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.