> ## Documentation Index > Fetch the complete documentation index at: https://developer.sandbox.co.in/llms.txt > Use this file to discover all available pages before exploring further. # Penny Drop > Verify a bank account by dropping a penny into the beneficiary account. ## OpenAPI ````yaml api-reference/kyc/openapi.json GET /bank/{ifsc}/accounts/{account_number}/verify openapi: 3.1.0 info: title: in-co-sandbox-kyc description: '' version: 1.0.0 servers: - url: https://test-api.sandbox.co.in description: test - url: https://api.sandbox.co.in description: prod security: [] tags: - name: kyc - name: digilocker-sdk - name: digilocker - name: aadhaar - name: bank - name: pan - name: mca - name: entitylocker - name: entitylocker-sdk paths: /bank/{ifsc}/accounts/{account_number}/verify: get: tags: - kyc - bank summary: Bank Account Verification [Penny-Drop] operationId: verifyBankUsingPennyDrop parameters: - name: ifsc in: path description: 11-digit alpha-numeric code used to identify the bank branches required: true example: SBIN0061411 schema: type: string pattern: ^[A-Za-z]{4}[a-zA-Z0-9]{7}$ - name: account_number in: path description: 'Bank account number. Max length: 40 characters' required: true example: '42090969996' schema: type: string - name: name in: query description: '`optional` Name. Max length: 100 characters' required: false example: '' schema: type: string - name: mobile in: query description: '`optional` Mobile. Length: 10 digits' required: false example: '' schema: type: string pattern: ^[6-9]\d{9}$ - name: Authorization in: header description: >- JWT access token. For token-generation steps, refer to the [Quickstart Guide](https://developer.sandbox.co.in/guides/get-started/quickstart). required: true example: '{{access_token}}' schema: type: string - name: x-accept-cache in: header description: |- Controls cache behavior for the request: true — Return cached response if available false — Bypass cache and fetch fresh data from origin Default: If omitted, returns fresh data from origin required: false example: 'false' schema: type: boolean - name: x-api-key in: header description: API key used to identify and authenticate the client. required: true example: '{{api_key}}' schema: type: string - name: x-api-version in: header description: Specifies the API version for the request. required: false example: 1.0.0 schema: type: string responses: '200': description: '' content: application/json: schema: type: object properties: code: type: integer timestamp: type: integer transaction_id: type: string data: type: object properties: '@entity': type: string const: >- @in.co.sandbox.bank.account.penny_drop_verification_response message: type: string account_exists: type: boolean name_at_bank: type: string utr: type: string pattern: '[0-9]' minLength: 12 maxLength: 22 amount_deposited: type: string required: - '@entity' - message - account_exists - name_at_bank - utr - amount_deposited required: - code - timestamp - transaction_id - data examples: 200 - Success: summary: 200 - Success value: code: 200 timestamp: 1000000000000 transaction_id: 46e33c70-e192-49cb-8d0f-e0c4489d0958 data: '@entity': >- @in.co.sandbox.bank.account.penny_drop_verification_response message: Bank Account details verified successfully. account_exists: true name_at_bank: John Doe utr: '329613870973' amount_deposited: '1' 200 - Invalid account number or ifsc provided: summary: 200 - Invalid account number or ifsc provided value: code: 200 timestamp: 1000000000000 transaction_id: d3ae9904-3c19-4123-b360-6c2d060a3cab data: '@entity': >- @in.co.sandbox.bank.account.penny_drop_verification_response message: Invalid account number or ifsc provided account_exists: false 200 - Given account is an NRE account: summary: 200 - Given account is an NRE account value: code: 200 timestamp: 1698047469406 transaction_id: 33f8ce3e-ca54-4364-ae85-2f54bae21610 data: '@entity': >- @in.co.sandbox.bank.account.penny_drop_verification_response message: Given account is an NRE account account_exists: true 200 - Account is blocked: summary: 200 - Account is blocked value: code: 200 timestamp: 1000000000000 transaction_id: 85ff18b4-d955-414c-b078-617a6f545311 data: '@entity': >- @in.co.sandbox.bank.account.penny_drop_verification_response message: Account is blocked account_exists: true 200 - IFSC is invalid: summary: 200 - IFSC is invalid value: code: 200 timestamp: 1000000000000 transaction_id: 15870757-53ea-4121-8037-b7cf1e9b7e92 data: '@entity': >- @in.co.sandbox.bank.account.penny_drop_verification_response message: IFSC is invalid 200 - Source bank declined: summary: 200 - Source bank declined value: code: 200 timestamp: 1000000000000 transaction_id: 6391647d-3dae-41ab-a59d-607202c8800e data: '@entity': >- @in.co.sandbox.bank.account.penny_drop_verification_response message: Source bank declined 200 - Beneficiary bank offline: summary: 200 - Beneficiary bank offline value: code: 200 timestamp: 1000000000000 transaction_id: a470d6c2-0589-4bf1-a46e-c11c347a9fba data: '@entity': >- @in.co.sandbox.bank.account.penny_drop_verification_response message: Beneficiary bank offline 200 - NPCI Unavailable: summary: 200 - NPCI Unavailable value: code: 200 timestamp: 1000000000000 transaction_id: a3083c7e-a879-402c-a8db-506d14f9f694 data: '@entity': >- @in.co.sandbox.bank.account.penny_drop_verification_response message: NPCI Unavailable 200 - IMPS Mode fail: summary: 200 - IMPS Mode fail value: code: 200 timestamp: 1000000000000 transaction_id: 7bd3baa3-13ac-49f5-acd9-1d7fb9dea291 data: '@entity': >- @in.co.sandbox.bank.account.penny_drop_verification_response message: IMPS Mode fail headers: {} '422': description: '' content: application/json: schema: type: object properties: code: type: integer timestamp: type: integer transaction_id: type: string message: type: string required: - code - timestamp - transaction_id - message examples: 422 - Invalid IFSC pattern: summary: 422 - Invalid IFSC pattern value: code: 422 timestamp: 1000000000000 transaction_id: 69ab2c4e-b157-405c-9c9c-37b6aa7f319f message: Invalid IFSC pattern 422 - Please provide a valid bank account: summary: 422 - Please provide a valid bank account value: code: 422 timestamp: 1000000000000 transaction_id: d2167bd1-8481-4a37-8912-8aca82a7e02a message: Please provide a valid bank account 422 - Invalid IFSC provided: summary: 422 - Invalid IFSC provided value: code: 422 timestamp: 1000000000000 transaction_id: 9ea80340-0833-4c62-9615-92978a1f266c message: Invalid IFSC provided headers: {} '500': description: '' content: application/json: schema: type: object properties: code: type: integer timestamp: type: integer transaction_id: type: string message: type: string required: - code - timestamp - transaction_id - message examples: 500 - Failed at bank: summary: 500 - Failed at bank value: code: 500 timestamp: 1000000000000 transaction_id: 3675d6b1-5852-4215-94bf-b24f9efaf3dd message: Failed at bank 500 - Transaction failed: summary: 500 - Transaction failed value: code: 500 timestamp: 1000000000000 transaction_id: b27c715f-6e3a-47ad-9dd5-85c6f43268d2 message: Transaction failed 500 - IMPS not supported on Beneficiary account: summary: 500 - IMPS not supported on Beneficiary account value: code: 500 timestamp: 1000000000000 transaction_id: 52e751ec-845c-4f68-8fe4-5a5e4dcdde70 message: IMPS not supported on Beneficiary account headers: {} '503': description: '' content: application/json: schema: type: object properties: code: type: integer timestamp: type: integer transaction_id: type: string message: type: string required: - code - timestamp - transaction_id - message examples: 503 - Source Unavailable: summary: 503 - Source Unavailable value: code: 503 timestamp: 1000000000000 transaction_id: 2f67b66e-7202-4319-8fc3-12eb99a91d21 message: Source Unavailable headers: {} deprecated: false security: [] ````