> ## Documentation Index > Fetch the complete documentation index at: https://docs.neuralverge.ai/llms.txt > Use this file to discover all available pages before exploring further. # LEI Lookup company subsidiaries > Subsidiaries of one legal entity in the LEI register (direct and ultimate children): LEI, name, type of relationship and link. 1 point per returned record. ## OpenAPI ````yaml /openapi.json post /functions/v1/run-lei-lookup-company-relationships openapi: 3.0.0 info: title: NeuralVerge API version: 1.0.0 description: >- NeuralVerge API for AI research workflows, search, extraction, and structured data source execution. servers: - url: https://api.neuralverge.ai description: NeuralVerge API security: - BearerAuth: [] tags: - name: AI Research description: Research workflows and session tracking. - name: AI Extract description: Schema-driven extraction workflows. - name: AI Agents description: Reusable saved agents executed through the API. - name: Search description: Fast, synchronous web search with no session or polling. - name: Company intelligence description: Company profile lookups from company databases. - name: E-commerce & Marketplaces description: >- Product, seller, and review lookups on Amazon, eBay, Walmart, AliExpress, and Alibaba. - name: Enrichment description: Email and phone enrichment, validation, and discovery. - name: Product reviews description: >- Software and business reviews from Capterra, Gartner Peer Insights, and Trustpilot. - name: Social media description: LinkedIn profile, company, and people lookups. - name: Company Registries description: Company Registries data sources. paths: /functions/v1/run-lei-lookup-company-relationships: post: tags: - Company Registries summary: LEI Lookup company subsidiaries description: >- Subsidiaries of one legal entity in the LEI register (direct and ultimate children): LEI, name, type of relationship and link. 1 point per returned record. requestBody: required: true content: application/json: schema: type: object properties: company: description: LEI or lei-lookup.com link. e.g. 7LTWFZYICNSX8D621K86 type: string max_items: description: Max items (up to 250) type: integer minimum: 1 maximum: 250 default: 25 start_page: description: Starting page type: integer minimum: 1 required: - company example: company: 7LTWFZYICNSX8D621K86 max_items: 2 responses: '200': description: Run completed. content: application/json: schema: type: object properties: session_id: type: string description: Session identifier for this run. kind: type: string description: Data source identifier for this endpoint. company: type: string company_id: type: string max_items: type: integer start_page: type: integer partial: type: boolean description: >- True when the scrape stopped early and returned the records collected so far. human: type: string description: Markdown summary of the result, for display. machine: type: object properties: total_items: type: integer first_item: type: object properties: id: type: string registration_number: type: string lei: type: string name: type: string relation: type: string direct_child: type: boolean ultimate_child: type: boolean parent_lei: type: string url: type: string items: type: array items: type: object properties: id: type: string registration_number: type: string lei: type: string name: type: string relation: type: string direct_child: type: boolean ultimate_child: type: boolean parent_lei: type: string url: type: string total_found: type: integer page_count: type: integer blocked: type: boolean proxy_traffic_bytes: type: integer description: Structured result payload. total_points: type: integer description: Points charged for this run. example: session_id: 11111111-1111-1111-1111-111111111111 kind: lei_lookup_company_relationships company: 7LTWFZYICNSX8D621K86 company_id: 7LTWFZYICNSX8D621K86 max_items: 2 start_page: 1 partial: false human: |- # LEI Lookup (lei-lookup.com) — company relationships - **Company:** 7LTWFZYICNSX8D621K86 - **Results:** 2 of 479 found - **Proxy traffic:** 191.0 KB machine: total_items: 2 first_item: id: 7LTWFZYICNSX8D621K86-2138003FL72FCO53LM68 registration_number: 2138003FL72FCO53LM68 lei: 2138003FL72FCO53LM68 name: HISTRIA INVERSIONES DESIGNATED ACTIVITY COMPANY relation: direct_and_ultimate_child direct_child: true ultimate_child: true parent_lei: 7LTWFZYICNSX8D621K86 url: https://www.lei-lookup.com/record/2138003FL72FCO53LM68/ items: - id: 7LTWFZYICNSX8D621K86-2138003FL72FCO53LM68 registration_number: 2138003FL72FCO53LM68 lei: 2138003FL72FCO53LM68 name: HISTRIA INVERSIONES DESIGNATED ACTIVITY COMPANY relation: direct_and_ultimate_child direct_child: true ultimate_child: true parent_lei: 7LTWFZYICNSX8D621K86 url: https://www.lei-lookup.com/record/2138003FL72FCO53LM68/ - id: 7LTWFZYICNSX8D621K86-213800D3OXAL3N7T1S19 registration_number: 213800D3OXAL3N7T1S19 lei: 213800D3OXAL3N7T1S19 name: Tagus - Sociedade de Titularização de Créditos, S.A. relation: direct_and_ultimate_child direct_child: true ultimate_child: true parent_lei: 7LTWFZYICNSX8D621K86 url: https://www.lei-lookup.com/record/213800D3OXAL3N7T1S19/ total_found: 479 page_count: 1 blocked: false proxy_traffic_bytes: 195573 total_points: 2 '400': description: Bad Request '401': description: Unauthorized '402': description: Payment Required '500': description: Internal Error components: securitySchemes: BearerAuth: type: http scheme: bearer bearerFormat: API Key ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.