> ## Documentation Index > Fetch the complete documentation index at: https://docs.ach.netevia.com/llms.txt > Use this file to discover all available pages before exploring further. # Get User Details by bank account ( STABLE ) > This API will return the details of the user associated with a specific bank account ## OpenAPI ````yaml https://api.grailpay.com/docs?api-docs.json post /3p/api/v1/bank-account/user openapi: 3.0.0 info: title: GrailPay ACH API description: API Documentation for moving funds via ACH using the GrailPay ACH API version: 2025.12.19.2 servers: - url: https://api.grailpay.com description: Production environment - url: https://api-sandbox.grailpay.com description: Sandbox environment security: [] tags: - name: Users description: >- API Endpoints used for the onboarding and managing People, Businesses, and Merchants. - name: Transactions description: API Endpoints used for creating and managing transactions. - name: Payouts description: API Endpoints used for fetching payout information. - name: Refunds description: API Endpoints used for creating and retrieving refunds. - name: Bank Accounts description: API Endpoints used for adding and managing bank accounts. - name: Webhooks description: API Endpoints used for registering and de-registering webhooks. - name: Billing description: API Endpoints used for retrieving billing information. - name: Stable description: Stable, up-to-date APIs that are recommended for current integration. - name: Sunsetting description: Sunsetting APIs that are still supported but scheduled for deprecation. - name: Deprecated description: Deprecated APIs that are no longer supported and should be removed. - name: SUNSETTING description: SUNSETTING paths: /3p/api/v1/bank-account/user: post: tags: - Bank Accounts - Stable summary: Get User Details by bank account ( STABLE ) description: >- This API will return the details of the user associated with a specific bank account operationId: a3584eaea5135ea2a0f3358ed223c861 requestBody: required: true content: application/json: schema: properties: bank_account: $ref: '#/components/schemas/GetUserDetailsRequest' type: object responses: '200': description: Successful response content: application/json: schema: properties: status: type: boolean example: true message: type: string example: '' data: type: object anyOf: - $ref: '#/components/schemas/V1BusinessResponse' - $ref: '#/components/schemas/V1RegisterPersonResponse' errors: type: string example: null error_code: type: string example: null type: object '401': description: Unauthorized content: application/json: schema: oneOf: - $ref: '#/components/schemas/Error401Unauthorized' - $ref: '#/components/schemas/Error401InvalidTokenStructure' - $ref: '#/components/schemas/Error401InvalidTokenData' '403': description: User delete in progress content: application/json: schema: properties: status: type: boolean example: false message: type: string example: >- This user is not available as they have been scheduled for deletion. data: type: string example: null errors: type: string example: null error_code: type: string example: null type: object '404': description: Bank account not found content: application/json: schema: properties: status: type: boolean example: false message: type: string example: No bank account found with given details. data: type: string example: null errors: type: string example: null error_code: properties: type: type: string example: client_error subType: type: string example: account_uuid_not_found type: object type: object security: - ApiToken: [] components: schemas: GetUserDetailsRequest: required: - bank_account properties: bank_account: properties: uuid: type: string format: uuid aggregator_type: type: string enum: - plaid - manual - banklink type: object type: object V1BusinessResponse: properties: client_reference_id: type: string example: '' uuid: type: string example: 401c79dd-d38c-4c3a-8edf-1afac5914d2d first_name: type: string example: John last_name: type: string example: Doe name: type: string example: Jack Inc. tin: type: string example: '961862955' user_status: type: string example: Approved|On Hold|Rejected kyb_status: type: string example: Approved|In Review|Failed|null kyb_rejected_reason: type: string example: null email: type: string example: '' phone: type: string example: '' financing_credit_balance: type: string example: null address: properties: street_address: type: string example: 20 Elmora Ave additional_address: type: string example: '' city: type: string example: Elizabeth state: type: string example: NJ country: type: string example: US zip: type: string example: '07202' type: object business_owners: properties: first_name: type: string example: Olive last_name: type: string example: Vein dob: type: string example: '1996-05-04' ssn9: type: string example: '123456789' address_line_1: type: string example: 778 E Encore Dr city: type: string example: Hanford state: type: string example: CA zip: type: string example: '93230' type: object created_at: type: string format: date-time example: '2024-06-03 15:58:44' updated_at: type: string format: date-time example: '2024-06-04 18:30:30' type: object V1RegisterPersonResponse: properties: client_reference_id: type: string example: '' uuid: type: string example: 401c79dd-d38c-4c3a-8edf-1afac5914d2d first_name: type: string example: John last_name: type: string example: Doe email: type: string example: '' phone: type: string example: '' status: type: string example: Approved|On Hold|Rejected payout_type: type: string example: individual|batch address: properties: street_address: type: string example: 20 Elmora Ave additional_address: type: string example: '' city: type: string example: Elizabeth state: type: string example: NJ country: type: string example: US zip: type: string example: '07202' type: object created_at: type: string format: date-time example: '2024-06-03 15:58:44' updated_at: type: string format: date-time example: '2024-06-04 18:30:30' type: object Error401Unauthorized: properties: status: type: boolean example: false message: type: string example: Invalid Token data: type: string example: null errors: type: string example: null error_code: type: string example: null type: object Error401InvalidTokenStructure: properties: status: type: boolean example: false message: type: string example: >- Invalid token format. The token should be in the following format: ID|TOKEN_VALUE. Example: 12345|abcdefg data: type: string example: null errors: type: string example: null error_code: type: string example: null type: object Error401InvalidTokenData: properties: status: type: boolean example: false message: type: string example: >- Invalid token format. The ID in the token must be an integer. Example: 12345|abcdefg data: type: string example: null errors: type: string example: null error_code: type: string example: null type: object securitySchemes: ApiToken: type: http description: >- Token-based authentication using Authorization: Bearer provided by the GrailPay Support Team. bearerFormat: Token scheme: bearer ````