> ## Documentation Index > Fetch the complete documentation index at: https://docs.trysignalbase.com/llms.txt > Use this file to discover all available pages before exploring further. # List Custom Signal Definitions > The definitions you can filter GET /signals/custom by: every global definition plus your own team's. Free of charge — it is the catalogue, not data. Each entry's `slug` is the value to pass as `type`; `description` is the rule a post must satisfy to count; `attributes` names the definition-specific fields its signals carry. ## OpenAPI ````yaml GET /signals/custom/definitions openapi: 3.1.0 info: title: Custom Signals API description: >- Signals produced by custom signal definitions — signal types defined as data (out of stealth, new office or market entry, first or founding hire, …) rather than the four built-in families. One endpoint serves every definition; `type` selects which. A free companion endpoint lists the definitions, and a team can create, start, pause and remove definitions of its own. license: name: MIT version: 2.1.0 servers: - url: https://www.trysignalbase.com/api/v2 security: - bearerAuth: [] paths: /signals/custom/definitions: get: summary: List Custom Signal Definitions description: >- The definitions you can filter GET /signals/custom by: every global definition plus your own team's. Free of charge — it is the catalogue, not data. Each entry's `slug` is the value to pass as `type`; `description` is the rule a post must satisfy to count; `attributes` names the definition-specific fields its signals carry. operationId: listCustomSignalDefinitions parameters: - name: include_disabled in: query description: Also list definitions that are not currently being swept (drafts). schema: type: boolean default: false responses: '200': description: The definitions catalogue content: application/json: schema: $ref: '#/components/schemas/DefinitionsResponse' example: success: true data: - slug: founding_hire name: First or founding hire description: >- The author's own company is hiring its first employee in a function, or is building its founding team. status: active scope: global attributes: - role - function - location - stage createdAt: '2026-10-15T08:00:00.000Z' - slug: new_office name: New office or market entry description: >- The author's own company opens a new office, moves headquarters, enters a new country or city market, or establishes a local presence there (first local hire, boots on the ground, a local team). The post must name the place. status: active scope: global attributes: - location - kind - first_hire_role - mentions_hiring createdAt: '2026-10-15T08:00:00.000Z' - slug: stealth_exit name: Out of stealth description: >- The author's own company is leaving stealth or publicly launching for the first time. status: active scope: global attributes: - product - stealth_duration - mentions_hiring - funding_mentioned createdAt: '2026-10-15T08:00:00.000Z' pagination: currentPage: 1 totalPages: 1 totalCount: 3 hasNextPage: false hasPreviousPage: false meta: endpoint: signals.customDefinitions creditsUsed: 0 '400': description: >- Bad request — unknown query parameter, malformed slug in `type`, or an out-of-range value content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: success: false error: >- Unknown query parameter: types (use "type" (comma-separated definition slugs)). Supported parameters: filter_version, count, page, limit, include_total, dateFrom, dateTo, date_preset, type, keyword, min_confidence, search, countries, exclude_countries, subcategories, company_name, company_domain, company_linkedin_url, sort_by, sort_order. '401': description: Unauthorized - Invalid or missing API key content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: success: false error: Invalid API key '429': description: Rate limit exceeded content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: success: false error: Rate limit exceeded '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: success: false error: Failed to fetch custom signals components: schemas: DefinitionsResponse: type: object properties: success: type: boolean data: type: array items: $ref: '#/components/schemas/Definition' pagination: $ref: '#/components/schemas/Pagination' meta: $ref: '#/components/schemas/Meta' ErrorResponse: type: object properties: success: type: boolean example: false error: type: string Definition: type: object properties: slug: type: string description: >- Pass as `type` on GET /signals/custom, or in a monitor's signal_types. name: type: string description: type: string description: The rule a post must satisfy to count. status: type: string enum: - compiling - testing - ready - active - paused - disabled - failed description: >- Global definitions are active or disabled. Your own walk compiling → testing → ready → active, and can be paused, disabled or failed. scope: type: string enum: - global - team attributes: type: array items: type: string createdAt: type: string format: date-time Pagination: type: object properties: currentPage: type: integer totalPages: type: - integer - 'null' totalCount: type: - integer - 'null' hasNextPage: type: boolean hasPreviousPage: type: boolean Meta: type: object properties: endpoint: type: string creditsUsed: type: integer creditsRemaining: type: integer securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: API key description: API key authentication. Include as Bearer token in Authorization header. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.