> ## Documentation Index > Fetch the complete documentation index at: https://developers.dwolla.com/llms.txt > Use this file to discover all available pages before exploring further. # Verify KBA Questions > Submits customer answers to KBA questions for identity verification. Requires four question-answer pairs with questionId and answerId values. Returns verification status indicating whether the customer passed or failed the KBA authentication. ## OpenAPI ````yaml post /kba/{id} openapi: 3.1.0 info: title: Dwolla API description: Dwolla API Documentation contact: name: Dwolla Developer Relations Team url: https://developers.dwolla.com email: api@dwolla.com version: '2.0' termsOfService: https://www.dwolla.com/legal/tos/ license: name: MIT url: https://github.com/Dwolla/dwolla-openapi/blob/master/LICENSE servers: - url: https://api.dwolla.com description: Production server - url: https://api-sandbox.dwolla.com description: Sandbox server security: - clientCredentials: [] tags: - name: tokens description: Operations related to Application Access Tokens - name: root description: Root API operations - name: accounts description: Operations related to Accounts - name: customers description: Operations related to Customers - name: kba description: Operations related to Knowledge-Based Authentication - name: beneficial owners description: Operations related to Beneficial Owners - name: documents description: Operations related to Documents - name: exchanges description: Operations related to Exchanges - name: exchange sessions description: Operations related to Exchange Sessions - name: funding sources description: Operations related to Funding Sources - name: transfers description: Operations related to Transfers - name: labels description: Operations related to Labels - name: mass payments description: Operations related to Mass Payments - name: events description: Operations related to Events - name: webhook subscriptions description: Operations related to Webhook Subscriptions - name: webhooks description: Operations related to Webhooks - name: client tokens description: Operations related to Client Tokens - name: sandbox simulations description: Sandbox-only operations for simulating processing of bank transfers paths: /kba/{id}: post: tags: - kba summary: Verify KBA Questions description: >- Submits customer answers to KBA questions for identity verification. Requires four question-answer pairs with questionId and answerId values. Returns verification status indicating whether the customer passed or failed the KBA authentication. operationId: verifyKbaQuestions parameters: - name: id in: path description: The id of the KBA session to verify questions for. required: true schema: type: string - $ref: '#/components/parameters/Accept' requestBody: required: true description: Parameters for verifying KBA questions content: application/json: schema: required: - answers type: object properties: answers: type: array items: type: object required: - questionId - answerId properties: questionId: type: string example: '2355953375' answerId: type: string example: '2687969335' responses: '200': description: created headers: {} content: application/vnd.dwolla.v1.hal+json: schema: type: object properties: _links: type: object properties: customer: type: object properties: href: type: string example: >- https://api.dwolla.com/customers/b5fd802d-d8c7-43ce-94a8-7c14485b7042 type: type: string example: application/vnd.dwolla.v1.hal+json resource-type: type: string example: customer verificationStatus: type: string example: verified '403': description: 403 Error headers: {} content: application/vnd.dwolla.v1.hal+json: schema: oneOf: - $ref: '#/components/schemas/ForbiddenError' - $ref: '#/components/schemas/InvalidKbaSessionError' - $ref: '#/components/schemas/ExpiredKbaSessionError' '404': description: 404 Error headers: {} content: application/vnd.dwolla.v1.hal+json: schema: type: object properties: code: type: string example: NotFound message: type: string example: KBA session not found. x-codeSamples: - lang: bash source: > POST https://api.dwolla.com/kba/33aa88b1-97df-424a-9043-d5f85809858b Accept: application/vnd.dwolla.v1.hal+json Authorization: Bearer cRahPzURfaIrTewKL18tmslWPqKdzkLeYJm0oB1hGJ1vMPArft1v { "answers": [ { "questionId": "2355953375", "answerId": "2687969335" }, { "questionId": "2355953385", "answerId": "2687969385" }, { "questionId": "2355953395", "answerId": "2687969435" }, { "questionId": "2355953405", "answerId": "2687969485" } ] } - lang: javascript source: > // Using dwolla-v2 - https://github.com/Dwolla/dwolla-v2-node var kbaUrl = "https://api.dwolla.com/kba/70b0e9cc-020d-4de2-9a82-a2281afa4c31"; var requestBody = { answers: [ { questionId: "2355953375", answerId: "2687969335" }, { questionId: "2355953385", answerId: "2687969385" }, { questionId: "2355953395", answerId: "2687969435" }, { questionId: "2355953405", answerId: "2687969485" }, ], }; dwolla.post(kbaUrl, requestBody); - lang: python source: > # Using dwollav2 - https://github.com/Dwolla/dwolla-v2-python kba_url = 'https://api-sandbox.dwolla.com/kba/70b0e9cc-020d-4de2-9a82-a2281afa4c31' request_body = { 'answers' : [ { 'questionId': "2355953375", 'answerId': "2687969335" }, { 'questionId': "2355953385", 'answerId': "2687969385" }, { 'questionId': "2355953395", 'answerId':"2687969435" }, { 'questionId': "2355953405", 'answerId': "2687969485" } ] } kba_answers = app_token.post (kba_url, request_body) - lang: php source: > answerKbaQuestions([ "answers" => [ [ "questionId" => "2355953375", "answerId" => "2687969335" ], [ "questionId" => "2355953385", "answerId" => "2687969385" ], [ "questionId" => "2355953395", "answerId" => "2687969435" ], [ "questionId" => "2355953405", "answerId" => "2687969485" ] ] ], $kbaUrl); ?> - lang: ruby source: > # Using dwolla_v2 - https://github.com/Dwolla/dwolla-v2-ruby kba_url = 'https://api-sandbox.dwolla.com/kba/70b0e9cc-020d-4de2-9a82-a2281afa4c31' request_body = { :answers => [ { :questionId => "2355953375", :answerId => "2687969335" }, { :questionId => "2355953385", :answerId => "2687969385" }, { :questionId => "2355953395", :answerId => "2687969435" }, { :questionId => "2355953405", :answerId => "2687969485" } ] } kba_answers = app_token.post kba_url, request_body components: parameters: Accept: name: Accept in: header required: true description: >- The media type of the response. Must be application/vnd.dwolla.v1.hal+json schema: type: string enum: - application/vnd.dwolla.v1.hal+json default: application/vnd.dwolla.v1.hal+json schemas: ForbiddenError: title: ForbiddenError description: Error response schema for 403 Forbidden type: object required: - code - message properties: code: type: string example: Forbidden message: type: string example: The supplied credentials are not authorized for this resource. InvalidKbaSessionError: title: InvalidKbaSessionError type: object required: - code - message properties: code: type: string example: InvalidResourceState message: type: string example: The kba session is no longer valid. ExpiredKbaSessionError: title: ExpiredKbaSessionError type: object required: - code - message properties: code: type: string example: InvalidResourceState message: type: string example: The kba session has expired. securitySchemes: clientCredentials: type: oauth2 flows: clientCredentials: tokenUrl: /token x-speakeasy-token-endpoint-authentication: client_secret_basic scopes: {} ````