> ## 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. # Initiate or Verify micro-deposits > Handles micro-deposit bank verification process. Make a request without a request body to initiate two small deposits to the customer's bank account. Include deposit amounts to verify the received values and complete verification. ## OpenAPI ````yaml post /funding-sources/{id}/micro-deposits 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: /funding-sources/{id}/micro-deposits: post: tags: - funding sources summary: Initiate or Verify micro-deposits description: >- Handles micro-deposit bank verification process. Make a request without a request body to initiate two small deposits to the customer's bank account. Include deposit amounts to verify the received values and complete verification. operationId: initiateOrVerifyMicroDeposits parameters: - name: id in: path description: The ID of the FS to initiate or verify micro-deposit required: true schema: type: string - $ref: '#/components/parameters/Accept' requestBody: required: false description: | Optional request body for verifying micro-deposits. - If omitted: Endpoint will initiate micro-deposits - If provided: Must contain micro-deposit amounts for verification content: application/json: schema: oneOf: - type: - object - 'null' title: InitiateMicroDeposits description: No request body is required for initiating micro-deposits. - $ref: '#/components/schemas/VerifyMicroDeposits' description: Required request body for verifying micro-deposits responses: '200': description: successful operation headers: {} content: application/vnd.dwolla.v1.hal+json: schema: type: object description: >- Response for microdeposits operations (initiation and verification) properties: _links: type: object properties: self: type: object properties: href: type: string format: uri example: >- https://api-sandbox.dwolla.com/funding-sources/2e446d1b-fb3c-42a0-9691-5d1d6a4dbbf0/micro-deposits type: type: string example: application/vnd.dwolla.v1.hal+json resource-type: type: string example: micro-deposits '201': description: created headers: Location: $ref: '#/components/headers/Location' '403': description: forbidden headers: {} content: application/vnd.dwolla.v1.hal+json: schema: type: object properties: code: type: string example: InvalidResourceState message: type: string example: Bank already verified. '404': description: not found headers: {} content: application/vnd.dwolla.v1.hal+json: schema: type: object properties: code: type: string example: NotFound message: type: string example: The requested resource was not found. x-codeSamples: - lang: bash source: > POST https://api-sandbox.dwolla.com/funding-sources/e52006c3-7560-4ff1-99d5-b0f3a6f4f909/micro-deposits Authorization: Bearer 8tJjM7iTjujLthkbVPMUcHLqMNw4uv5kG712g9j1RRBHplGpwo Content-Type: application/vnd.dwolla.v1.hal+json Accept: application/vnd.dwolla.v1.hal+json - lang: javascript source: | var fundingSourceUrl = "https://api-sandbox.dwolla.com/funding-sources/e52006c3-7560-4ff1-99d5-b0f3a6f4f909"; dwolla.post(`${fundingSourceUrl}/micro-deposits`); - lang: python source: > # Using dwollav2 - https://github.com/Dwolla/dwolla-v2-python funding_source_url = 'https://api-sandbox.dwolla.com/funding-sources/e52006c3-7560-4ff1-99d5-b0f3a6f4f909' app_token.post('%s/micro-deposits' % funding_source_url) - lang: php source: > microDeposits(null, $fundingSourceUrl); ?> - lang: ruby source: > # Using dwolla_v2 - https://github.com/Dwolla/dwolla-v2-ruby funding_source_url = 'https://api-sandbox.dwolla.com/funding-sources/e52006c3-7560-4ff1-99d5-b0f3a6f4f909' app_token.post "#{funding_source_url}/micro-deposits" 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: VerifyMicroDeposits: title: VerifyMicroDeposits description: Request body for verifying micro-deposits type: object required: - amount1 - amount2 properties: amount1: type: object required: - value - currency properties: value: type: string example: '0.02' currency: type: string example: USD amount2: type: object required: - value - currency properties: value: type: string example: '0.03' currency: type: string example: USD headers: Location: description: The location of the created resource schema: type: string securitySchemes: clientCredentials: type: oauth2 flows: clientCredentials: tokenUrl: /token x-speakeasy-token-endpoint-authentication: client_secret_basic scopes: {} ````