> ## Documentation Index > Fetch the complete documentation index at: https://docs.sixtyfour.ai/llms.txt > Use this file to discover all available pages before exploring further. # Create Exclusion List > Create an exclusion list. It builds in the background: poll `GET /search/exclusion-lists/{list_id}` until `status` is `ready`. A list cannot be changed; create a new one and delete the old. Up to 20 active lists per organization (40 with extended exclusion limits). ## OpenAPI ````yaml https://api.sixtyfour.ai/openapi.json post /search/exclusion-lists openapi: 3.1.0 info: title: Sixtyfour API description: >- Intelligence API for people and companies: research agents that investigate, resolve identities, map relationships and surface risk signals. contact: name: Sixtyfour url: https://sixtyfour.ai/ email: support@sixtyfour.ai license: name: Proprietary version: 1.0.0 servers: - url: https://api.sixtyfour.ai description: Production security: - ApiKeyAuth: [] - BearerAuth: [] tags: - name: Enrichment description: Find and enrich emails, phones, and LinkedIn for people and companies. - name: Search description: Run deep and filter searches over Sixtyfour's data. - name: Workflow description: Create, run, and manage enrichment workflows. - name: Workflow Schedules description: Create and manage recurring schedules for workflows. - name: Account description: Manage and inspect your account and credit balance. - name: Intelligence description: Verify identity attributes such as age using high-tier OSINT research. - name: Atlas description: >- Start, continue and read Atlas investigations: attribution graph, workspace files, reports and exports. paths: /search/exclusion-lists: post: tags: - Search summary: Create Exclusion List description: >- Create an exclusion list. It builds in the background: poll `GET /search/exclusion-lists/{list_id}` until `status` is `ready`. A list cannot be changed; create a new one and delete the old. Up to 20 active lists per organization (40 with extended exclusion limits). operationId: create_exclusion_list_endpoint_search_exclusion_lists_post requestBody: content: application/json: schema: $ref: '#/components/schemas/CreateExclusionListRequest' required: true responses: '202': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/CreateExclusionListResponse' '400': description: Invalid request. content: application/json: schema: properties: detail: type: string code: type: string description: Stable error code, for programs. correlation_id: type: string description: >- This request's ID, also in `X-Correlation-ID`. Quote it to support. type: object example: detail: Invalid request body code: bad_request correlation_id: enrich_3f8b2c1e-9d4a-4c1b-8e2f-6a7b5c4d3e21 '401': description: Missing or invalid API key. content: application/json: schema: properties: detail: type: string code: type: string description: Stable error code, for programs. correlation_id: type: string description: >- This request's ID, also in `X-Correlation-ID`. Quote it to support. type: object example: detail: Invalid API key code: unauthenticated correlation_id: enrich_3f8b2c1e-9d4a-4c1b-8e2f-6a7b5c4d3e21 '403': description: Organization access is locked. content: application/json: schema: properties: detail: type: string code: type: string description: Stable error code, for programs. correlation_id: type: string description: >- This request's ID, also in `X-Correlation-ID`. Quote it to support. type: object example: detail: >- This organization no longer has access to Sixtyfour. Contact your representative at Sixtyfour. code: forbidden correlation_id: enrich_3f8b2c1e-9d4a-4c1b-8e2f-6a7b5c4d3e21 '422': description: Request body failed validation. content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' '500': description: Unexpected server error. Retry with backoff. content: application/json: schema: properties: detail: type: string code: type: string description: Stable error code, for programs. correlation_id: type: string description: >- This request's ID, also in `X-Correlation-ID`. Quote it to support. type: object example: detail: Internal server error code: internal_error correlation_id: enrich_3f8b2c1e-9d4a-4c1b-8e2f-6a7b5c4d3e21 '503': description: >- Temporarily unavailable. Nothing was charged; retry after the `Retry-After` header. content: application/json: schema: properties: detail: type: string code: type: string description: Stable error code, for programs. correlation_id: type: string description: >- This request's ID, also in `X-Correlation-ID`. Quote it to support. type: object example: detail: Could not verify the API key right now. Retry shortly. code: unavailable correlation_id: enrich_3f8b2c1e-9d4a-4c1b-8e2f-6a7b5c4d3e21 components: schemas: CreateExclusionListRequest: properties: name: anyOf: - type: string maxLength: 200 minLength: 1 - type: 'null' title: Name description: >- Required unless source.type is 'search_id' (defaults to a date-stamped name). entity_type: type: string enum: - person - company title: Entity Type default: person source: oneOf: - $ref: '#/components/schemas/ResourceHandleSource' - $ref: '#/components/schemas/InlineEntityIdsSource' - $ref: '#/components/schemas/SearchIdSource' title: Source discriminator: propertyName: type mapping: entity_ids: '#/components/schemas/InlineEntityIdsSource' resource_handle: '#/components/schemas/ResourceHandleSource' search_id: '#/components/schemas/SearchIdSource' type: object required: - source title: CreateExclusionListRequest examples: - name: Existing customers source: id_column: linkedin_url resource_handle_id: 8f14e45f-... type: resource_handle - name: Do not contact source: entity_ids: - john-doe-123 type: entity_ids - entity_type: company name: Existing customer companies source: entity_ids: - '1441' - linkedin.com/company/openai - stripe.com type: entity_ids - source: max_results: 250000 search_id: a1b2c3d4-... type: search_id CreateExclusionListResponse: properties: id: type: string title: Id description: >- Exclusion list ID; poll GET /search/exclusion-lists/{id} until ready. status: type: string title: Status description: Initial status, always 'pending'. type: object required: - id - status title: CreateExclusionListResponse HTTPValidationError: title: HTTPValidationError type: object properties: detail: type: array items: $ref: '#/components/schemas/ValidationError' code: type: string description: Stable error code, for programs. correlation_id: type: string description: This request's ID, also in `X-Correlation-ID`. Quote it to support. example: detail: - loc: - body - target_company - domain msg: Field required type: missing input: null ctx: {} code: invalid_request correlation_id: enrich_3f8b2c1e-9d4a-4c1b-8e2f-6a7b5c4d3e21 ResourceHandleSource: properties: type: type: string const: resource_handle title: Type resource_handle_id: type: string maxLength: 200 title: Resource Handle Id id_column: anyOf: - type: string maxLength: 100000 - type: 'null' title: Id Column description: >- CSV column containing entity identifiers. People: LinkedIn public IDs or profile URLs. Companies: numeric company IDs, LinkedIn company URLs/slugs, or exact website domains. Auto-detected when omitted. type: object required: - type - resource_handle_id title: ResourceHandleSource description: Build the list from an uploaded CSV (see POST /storage/csv/upload). InlineEntityIdsSource: properties: type: type: string const: entity_ids title: Type entity_ids: items: type: string maxLength: 2048 type: array maxItems: 10000 minItems: 1 title: Entity Ids type: object required: - type - entity_ids title: InlineEntityIdsSource description: >- Build the list from identifiers sent in the request. Person lists: LinkedIn public IDs or profile URLs. Company lists: numeric company IDs, LinkedIn company URLs/slugs, or exact website domains. SearchIdSource: properties: type: type: string const: search_id title: Type search_id: type: string maxLength: 200 title: Search Id max_results: type: integer maximum: 250000 minimum: 1 title: Max Results description: How many top search results to capture into the list. default: 250000 exclude_public_ids: anyOf: - items: type: string maxLength: 2048 type: array maxItems: 1000 - type: 'null' title: Exclude Public Ids description: >- Optional people-mode inline exclusions to re-apply while replaying the saved search. `search_id` itself does not carry exclusions. exclude_entity_ids: anyOf: - items: type: string maxLength: 2048 type: array maxItems: 1000 - type: 'null' title: Exclude Entity Ids description: >- Optional inline exclusions to re-apply while replaying the saved search. People: LinkedIn public IDs/profile URLs. Companies: numeric company IDs, company URLs/slugs, or exact website domains. exclude_list_ids: anyOf: - items: type: string maxLength: 200 type: array maxItems: 10 - type: 'null' title: Exclude List Ids description: >- Optional saved exclusion lists to re-apply while replaying the saved search. `search_id` itself does not carry exclusions. type: object required: - type - search_id title: SearchIdSource description: >- Build the list from the results of a saved search (mode must match entity_type). ValidationError: title: ValidationError type: object required: - loc - msg - type properties: loc: type: array items: oneOf: - type: string - type: integer description: Path to the field that failed validation. example: - body - target_company - domain msg: type: string description: Human-readable error message. example: Field required type: type: string description: Error code (e.g. 'missing', 'value_error'). example: missing input: description: The offending input value (any type, may be null). nullable: true example: null ctx: type: object description: Optional error context. additionalProperties: true example: {} securitySchemes: ApiKeyAuth: type: apiKey in: header name: x-api-key description: Your Sixtyfour API key. BearerAuth: type: http scheme: bearer description: >- An OAuth access token from `POST /oauth/token`, sent as `Authorization: Bearer `. An API key sent as a bearer token is refused with 401. When both headers are sent, the bearer token is used. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.