> ## Documentation Index > Fetch the complete documentation index at: https://docs.qubesync.com/llms.txt > Use this file to discover all available pages before exploring further. # Get the QWC file > The QuickBooks Web Connector config file for this connection -- give it to the user to add to their Web Connector (see the Onboarding guide for the usual, hosted alternative). The Web Connector lists it under the app's name followed by the connection's `name` in parentheses, and keeps it apart from other connections of the same app. Adding a newer file for the same connection replaces its entry. ## OpenAPI ````yaml /api-reference/v2/openapi.json post /connections/{connection_id}/qwc openapi: 3.1.0 info: contact: email: support@qubesync.com description: > A single generic operation surface for every curated qbXML request QuBe Sync supports, driven directly off the qbXML schema -- see the [MCP server](/mcp-server) to explore available operations interactively. **Every endpoint queues a request and returns it immediately (`201`, a `QueuedRequest`).** QuickBooks Desktop is reached through the customer's Web Connector, which polls QuBe Sync, so the answer arrives seconds to minutes later. **Pass a `webhook_url` with every request**: when QuickBooks has answered, QuBe Sync POSTs the same document to it -- `state` set, `response_json` filled in -- signed with `X-QUBE-Signature` (see the Webhooks guide). `response_json` is the `{status, data}` envelope documented on each operation: `status: "success"` with `data` derived from the qbXML `*Ret` (and `warning`, QuickBooks' code and message, when it carried the request out but warned about it), or `status: "error"` with QuickBooks' own status code and message -- a QuickBooks business error is a *successful* HTTP round trip. `links.self` returns the request on demand (for a dashboard, a retry, a script); it is not the integration path. Send an `Idempotency-Key` header with each request so a call whose answer you never got can be sent again without queueing it twice. Authentication is HTTP Basic with your app's API key as the username and a blank password. Connections themselves (creating one, onboarding, its QWC file and password) are the `/connections` endpoints; every QuickBooks operation is scoped to one of them. title: QuBe Sync API (v2) version: 2.0.0 servers: - description: v2 API url: https://qubesync.com/api/v2 - description: Local development server url: https://dev.qubesync.com/api/v2 security: - apiKey: [] tags: - description: >- Creating and managing the connection (a customer's QuickBooks company file) that every request below is queued against. See the Onboarding guide. name: Connections - description: >- Queueing qbXML you wrote yourself, listing the requests queued on a connection, and discarding one the app no longer wants. A `webhook_url` on each request is the integration path (see the Webhooks guide): the listing is for a dashboard, a script, or catching up after downtime. name: Queued Requests - description: >- Finding the record in a customer's company file that a name means, even written differently: ranked matches from QuBe Sync's index of the file's names, on realtime and simulated connections. See the Matching guide. name: Matching - description: >- Endpoints for publishing workflow definitions, starting runs, and answering a run that is waiting on a decision from your app. A workflow is one JSON statechart document; see the schema at /api/v2/workflows/schema.json. name: Workflows - name: Account Tax Line Infos - name: Accounts - name: Aging Reports - name: Alerts - name: Ar Refund Credit Cards - name: Bar Codes - name: Bill Payment Checks - name: Bill Payment Credit Cards - name: Bill To Pays - name: Billing Rates - name: Bills - name: Budget Summary Reports - name: Build Assemblies - name: Charges - name: Checks - name: Classes - name: Cleared Statuses - name: Companies - name: Company Activities - name: Credit Card Charges - name: Credit Card Credits - name: Credit Memos - name: Currencies - name: Custom Detail Reports - name: Custom Summary Reports - name: Customer Msgs - name: Customer Types - name: Customers - name: Data Event Recovery Infos - name: Data Ext Defs - name: Data Exts - name: Date Driven Terms - name: Deposits - name: Employee Defaults - name: Employees - name: Entities - name: Estimates - name: Form1099 Category Account Mappings - name: General Detail Reports - name: General Summary Reports - name: Hosts - name: Inventory Adjustments - name: Inventory Sites - name: Invoices - name: Item Assemblies Can Builds - name: Item Discounts - name: Item Fixed Assets - name: Item Groups - name: Item Inventories - name: Item Inventory Assemblies - name: Item Non Inventories - name: Item Other Charges - name: Item Payments - name: Item Receipts - name: Item Sales Tax Groups - name: Item Sales Taxes - name: Item Services - name: Item Sites - name: Item Subtotals - name: Items - name: Job Reports - name: Job Types - name: Journal Entries - name: Leads - name: List Deleteds - name: List Displays - name: List Merge - name: Lists - name: Other Names - name: Paychecks - name: Payment Methods - name: Payments - name: Payroll Detail Reports - name: Payroll Item Additions - name: Payroll Item Company Contributions - name: Payroll Item Deductions - name: Payroll Item Direct Deposits - name: Payroll Item Non Wages - name: Payroll Item Taxes - name: Payroll Item Wages - name: Payroll Item Workers Compensations - name: Payroll Items - name: Payroll Last Periods - name: Payroll Liability Adjustments - name: Payroll Liability Checks - name: Payroll Prior Payments - name: Payroll Summary Reports - name: Payroll Year To Date Adjustments - name: Preferences - name: Price Levels - name: Purchase Orders - name: Qb Command Exec - name: Receive Payment To Deposits - name: Receive Payments - name: Sales Orders - name: Sales Receipts - name: Sales Reps - name: Sales Tax Codes - name: Sales Tax Payables - name: Sales Tax Payment Checks - name: Sales Tax Return Lines - name: Sales Tax Returns - name: Ship Methods - name: Special Accounts - name: Special Items - name: Standard Terms - name: Templates - name: Terms - name: Time Reports - name: Time Trackings - name: To Dos - name: Transactions - name: Transfer Inventories - name: Transfers - name: Txn Deleteds - name: Txn Displays - name: Txn Void - name: Txns - name: Unit Of Measure Sets - name: Vehicle Mileages - name: Vehicles - name: Vendor Credits - name: Vendor Types - name: Vendors - name: Workers Comp Codes paths: /connections/{connection_id}/qwc: post: tags: - Connections summary: Get the QWC file description: >- The QuickBooks Web Connector config file for this connection -- give it to the user to add to their Web Connector (see the Onboarding guide for the usual, hosted alternative). The Web Connector lists it under the app's name followed by the connection's `name` in parentheses, and keeps it apart from other connections of the same app. Adding a newer file for the same connection replaces its entry. operationId: getConnectionQwc parameters: - description: The connection to act on. in: path name: connection_id required: true schema: format: uuid type: string responses: '200': content: application/json: schema: properties: qwc: type: string type: object description: The QWC file '400': $ref: '#/components/responses/BadRequest' '401': $ref: '#/components/responses/Unauthorized' '404': $ref: '#/components/responses/NotFound' security: - apiKey: [] components: responses: BadRequest: content: application/json: example: errors: 'unknown parameter: "emial"' schema: $ref: '#/components/schemas/Error' description: >- A parameter the operation does not take, or a value it cannot use. Nothing was queued. Unauthorized: content: text/plain: example: Unauthorized schema: type: string description: >- No usable API key. The key is Basic auth, so the answer is the challenge, with the plain-text body Unauthorized rather than JSON. headers: WWW-Authenticate: schema: example: Basic realm="Application" type: string NotFound: content: application/json: example: errors: detail: Not Found schema: $ref: '#/components/schemas/Error' description: Nothing by that id, or it belongs to another app. schemas: Error: description: >- What a refused request answers with. The one key is errors, and its shape says what went wrong: a sentence when the endpoint explains the refusal in words (a parameter the operation does not take, a key already taken, a run that has already ended); an object with detail, and a code when there is one, when the request named nothing that exists or may not do what it asked (402, 403, 404, and a CLI session's 401), or an answer to a run's question was refused (the decisions endpoint's 400, 409 and 422, which always carry a code to branch on); an object of fields, each a list of messages, when a record failed validation and nothing was saved; a list of {path, message} problems when a submitted document or input fails validation. A request without a usable API key gets a 401 Basic challenge with the plain-text body Unauthorized, not JSON. properties: errors: oneOf: - example: 'unknown parameter: "emial"' title: A sentence type: string - properties: code: example: read_only_session type: string detail: example: Not Found type: string required: - detail title: Detail and code type: object - additionalProperties: items: type: string type: array example: webhook_url: - may not contain a username or password title: Field by field type: object - items: properties: message: example: is required type: string path: example: input.customer type: string required: - path - message type: object title: Located problems type: array required: - errors type: object securitySchemes: apiKey: description: Use your app's API key as the username, and leave the password blank scheme: basic type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.