> ## Documentation Index > Fetch the complete documentation index at: https://ramps-docs-sync-20260321.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # Get a beneficial owner > Retrieve details of a specific beneficial owner by ID. ## OpenAPI ````yaml https://app.stainless.com/api/spec/documented/grid/openapi.documented.yml get /beneficial-owners/{beneficialOwnerId} openapi: 3.1.0 info: title: Grid API description: > API for managing global payments on the open Money Grid. Built by Lightspark. See the full documentation at https://grid.lightspark.com/. version: '2025-10-13' contact: name: Lightspark Support email: support@lightspark.com license: name: Proprietary url: https://lightspark.com/terms servers: - url: https://api.lightspark.com/grid/2025-10-13 description: Production server security: - BasicAuth: [] tags: - name: Platform Configuration description: >- Platform configuration endpoints for managing global settings. You can also configure these settings in the Grid dashboard. - name: Customers description: >- Customer management endpoints for creating and updating customer information - name: KYC/KYB Verifications description: >- Endpoints for Know Your Customer (KYC) and Know Your Business (KYB) verification, including managing beneficial owners and triggering verification for customers. - name: Documents description: >- Endpoints for uploading and managing verification documents for customers and beneficial owners. Supports KYC and KYB document requirements. - name: Internal Accounts description: >- Internal account management endpoints for creating and managing internal accounts - name: External Accounts description: >- External account management endpoints for creating and managing external bank accounts - name: Same-Currency Transfers description: >- Endpoints for transferring funds between internal and external accounts with the same currency - name: Cross-Currency Transfers description: Endpoints for creating and confirming quotes for cross-currency transfers - name: Transactions description: Endpoints for retrieving transaction information - name: Webhooks description: Webhook endpoints and configuration for receiving notifications - name: Invitations description: Endpoints for creating, claiming and managing UMA invitations - name: Sandbox description: Endpoints to trigger test cases in sandbox - name: API Tokens description: Endpoints to programmatically manage API tokens - name: Exchange Rates description: >- Endpoints for retrieving cached foreign exchange rates. Rates are cached for approximately 5 minutes and include platform-specific fees. - name: Discoveries description: >- Endpoints for discovering available payment rails, banks, and providers for a given country and currency corridor. paths: /beneficial-owners/{beneficialOwnerId}: get: tags: - KYC/KYB Verifications summary: Get a beneficial owner description: Retrieve details of a specific beneficial owner by ID. operationId: getBeneficialOwner parameters: - name: beneficialOwnerId in: path description: Beneficial owner ID required: true schema: type: string responses: '200': description: Successful operation content: application/json: schema: $ref: '#/components/schemas/BeneficialOwner' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/Error401' '404': description: Beneficial owner not found content: application/json: schema: $ref: '#/components/schemas/Error404' '500': description: Internal service error content: application/json: schema: $ref: '#/components/schemas/Error500' security: - BasicAuth: [] x-codeSamples: - lang: JavaScript source: >- import LightsparkGrid from '@lightsparkdev/grid'; const client = new LightsparkGrid({ username: process.env['GRID_CLIENT_ID'], // This is the default and can be omitted password: process.env['GRID_CLIENT_SECRET'], // This is the default and can be omitted }); const beneficialOwner = await client.beneficialOwners.retrieve('beneficialOwnerId'); console.log(beneficialOwner.id); - lang: Python source: |- import os from grid import LightsparkGrid client = LightsparkGrid( username=os.environ.get("GRID_CLIENT_ID"), # This is the default and can be omitted password=os.environ.get("GRID_CLIENT_SECRET"), # This is the default and can be omitted ) beneficial_owner = client.beneficial_owners.retrieve( "beneficialOwnerId", ) print(beneficial_owner.id) - lang: Kotlin source: >- package com.lightspark.grid.example import com.lightspark.grid.client.LightsparkGridClient import com.lightspark.grid.client.okhttp.LightsparkGridOkHttpClient import com.lightspark.grid.models.beneficialowners.BeneficialOwnerRetrieveParams import com.lightspark.grid.models.beneficialowners.BeneficialOwnerRetrieveResponse fun main() { val client: LightsparkGridClient = LightsparkGridOkHttpClient.fromEnv() val beneficialOwner: BeneficialOwnerRetrieveResponse = client.beneficialOwners().retrieve("beneficialOwnerId") } components: schemas: BeneficialOwner: type: object required: - id - customerId - roles - ownershipPercentage - personalInfo - kycStatus - createdAt properties: id: type: string description: Unique identifier for this beneficial owner example: BeneficialOwner:019542f5-b3e7-1d02-0000-000000000001 customerId: type: string description: >- The ID of the business customer this beneficial owner is associated with example: Customer:019542f5-b3e7-1d02-0000-000000000001 roles: type: array items: $ref: '#/components/schemas/BeneficialOwnerRole' description: Roles of this person within the business example: - UBO - DIRECTOR ownershipPercentage: type: integer description: Percentage of ownership in the business (0-100) minimum: 0 maximum: 100 example: 51 personalInfo: $ref: '#/components/schemas/BeneficialOwnerPersonalInfo' kycStatus: $ref: '#/components/schemas/KycStatus' createdAt: type: string format: date-time description: When this beneficial owner was created example: '2025-10-03T12:00:00Z' updatedAt: type: string format: date-time description: When this beneficial owner was last updated example: '2025-10-03T12:00:00Z' Error401: type: object required: - message - status - code properties: status: type: integer enum: - 401 description: HTTP status code code: type: string description: | | Error Code | Description | |------------|-------------| | UNAUTHORIZED | Issue with API credentials | | INVALID_SIGNATURE | Signature header is invalid | enum: - UNAUTHORIZED - INVALID_SIGNATURE message: type: string description: Error message details: type: object description: Additional error details additionalProperties: true Error404: type: object required: - message - status - code properties: status: type: integer enum: - 404 description: HTTP status code code: type: string description: | | Error Code | Description | |------------|-------------| | TRANSACTION_NOT_FOUND | Transaction not found | | INVITATION_NOT_FOUND | Invitation not found | | USER_NOT_FOUND | Customer not found | | QUOTE_NOT_FOUND | Quote not found | | LOOKUP_REQUEST_NOT_FOUND | Lookup request not found | | TOKEN_NOT_FOUND | Token not found | | BULK_UPLOAD_JOB_NOT_FOUND | Bulk upload job not found | | REFERENCE_NOT_FOUND | Reference not found | enum: - TRANSACTION_NOT_FOUND - INVITATION_NOT_FOUND - USER_NOT_FOUND - QUOTE_NOT_FOUND - LOOKUP_REQUEST_NOT_FOUND - TOKEN_NOT_FOUND - BULK_UPLOAD_JOB_NOT_FOUND - REFERENCE_NOT_FOUND message: type: string description: Error message details: type: object description: Additional error details additionalProperties: true Error500: type: object required: - message - status - code properties: status: type: integer enum: - 500 description: HTTP status code code: type: string description: | | Error Code | Description | |------------|-------------| | GRID_SWITCH_ERROR | Grid switch error | | INTERNAL_ERROR | Internal server or UMA error | enum: - GRID_SWITCH_ERROR - INTERNAL_ERROR message: type: string description: Error message details: type: object description: Additional error details additionalProperties: true BeneficialOwnerRole: type: string enum: - UBO - DIRECTOR - COMPANY_OFFICER - CONTROL_PERSON - TRUSTEE - GENERAL_PARTNER description: Role of the beneficial owner within the business example: UBO BeneficialOwnerPersonalInfo: type: object required: - firstName - lastName - birthDate - nationality - address - idType - identifier properties: firstName: type: string description: First name of the individual example: Jane middleName: type: string description: Middle name of the individual example: Marie lastName: type: string description: Last name of the individual example: Smith birthDate: type: string format: date description: Date of birth in ISO 8601 format (YYYY-MM-DD) example: '1978-06-15' nationality: type: string description: Country of nationality (ISO 3166-1 alpha-2) example: US email: type: string format: email description: Email address of the individual example: jane.smith@acmecorp.com phoneNumber: type: string description: Phone number in E.164 format example: '+14155550192' pattern: ^\+[1-9]\d{1,14}$ address: $ref: '#/components/schemas/Address' idType: $ref: '#/components/schemas/IdentificationType' identifier: type: string description: The identification number or value example: 123-45-6789 countryOfIssuance: type: string description: Country that issued the identification (ISO 3166-1 alpha-2) example: US KycStatus: type: string enum: - UNVERIFIED - PENDING - APPROVED - REJECTED description: The current KYC status of a customer example: APPROVED Address: type: object required: - line1 - postalCode - country properties: line1: type: string description: Street address line 1 example: 123 Main Street line2: type: string description: Street address line 2 example: Apt 4B city: type: string description: City example: San Francisco state: type: string description: State/Province/Region example: CA postalCode: type: string description: Postal/ZIP code example: '94105' country: type: string description: Country code (ISO 3166-1 alpha-2) example: US IdentificationType: type: string enum: - SSN - ITIN - EIN - NON_US_TAX_ID description: Type of tax identification example: SSN securitySchemes: BasicAuth: type: http scheme: basic description: >- API token authentication using format `:` ````