InvoiceXpress Integration

Online invoicing software for invoices, estimates, clients, and payment documents. Sync InvoiceXpress invoices, payments, and financial records with CRM, billing, and operations tools. When Watch Estimates arrives, automatically continue with Create Regularization or Get a Client.

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Supported triggers and actions for InvoiceXpress integration

Triggers can detect changes in InvoiceXpress and run actions that can create, search or modify data inside InvoiceXpress automatically [3] — exactly how you set them.

Watch EstimatesTriggers when a new estimate is created.
Watch GuidesTriggers when a new guide is created.
Watch InvoicesTriggers when a new invoice is created.
Watch ItemsTriggers when a new item is created.
Watch SequencesTriggers when a new sequence is created.
Watch TaxesTriggers when a new taxe is created.
Create RegularizationCreates a regularization entry in the service.
Get a ClientRetrieves a client.
Get a ClientRetrieves a client.
Get a Client by CodeRetrieves a specific client by code.
Get a GuideRetrieves a specific guide.
Get an AccountRetrieves a specific account.
Get an EstimateRetrieves a specific estimate.
Get an InvoiceRetrieves a specific invoice.
Get an ItemRetrieves a specific item.
Get a QR CodeRetrieves a QR code for a given input data.
Get a SequenceRetrieves a specific sequence.
Get a TaxRetrieves a specific tax from the service using its ID.
Get Client BalanceRetrieves the balance of a client.
Get Invoice DocumentsRetrieves a list of all invoice documents.
Get RegularizationRetrieves regularization information from the service.
Get TaxesRetrieves a list of all taxes.
List ClientsRetrieves a list of all clients.
List EstimatesRetrieves a list of all estimates.
List GuidesRetrieves a list of all guides.
List InvoicesRetrieves a list of all invoices.
List InvoicesRetrieves a list of all invoices.
List ItemsRetrieves a list of all items.
List SequencesRetrieves a list of all sequences.
Cancel a PaymentCancels a payment in the system.
Communicate atFacilitates communication within a designated platform or network.
Create a ClientCreates a new client.
Create a DocumentCreates a new invoice, simplified invoice, invoice receipt, credit note, or debit note.
Create an AccountCreates a new account.
Create and Register a SequenceCreates and registers a new sequence.
Create an ItemCreates a new item in a specified collection or database.
Create a Quote, Proforma, or Fees NoteCreates a new quote, proforma, or fees note.
Create a Resource for an Existing UserCreates a resource or entity associated with an existing user.
Create a Shipping GuideCreates a new shipping guide, transport guide, or devolution guide.
Create a TaxCreates a new tax.
Create Treasury MovementCreates a treasury movement in the system.
Delete an ItemDeletes an item from the specified collection or list.
Delete a TaxDeletes a tax from the system.
Delete a Treasure MovementDeletes a specific treasure movement from the system.
Delete RegularizationDeletes regularization settings or data from a service.
Export SAFTExports SAFT data.
Generate a PaymentGenerates a payment in the system.
Generate a PDFGenerates a PDF from the specified input data.
Make an API CallPerforms an arbitrary authorized API call.
Register an Existing SequenceRegisters an existing sequence in the system.
Send a Guide by EmailSends a guide by email.
Send an EstimateEmails an existing estimate to a recipient.
Send an InvoiceSends an invoice to a specified email address.
Set a Default SequenceSets a specific sequence as the default.
Update Account DataUpdates account data for a specific user.
Update a ClientUpdates a client.
Update a GuideUpdates a shipping guide, transport guide, or devolution guide.
Update an Invoice or NoteUpdates an existing InvoiceXpress document (invoice, receipt, credit note, or debit note).
Update an ItemUpdates an item in a specific database or collection.
Update a Quote, Proforma, or Fees NoteUpdates a quote, proforma, or fees note.
Update a TaxUpdates a tax.
Update Guide StatusChanges the state of a shipping guide, transport guide, or devolution guide.
Update Initial BalanceUpdates the initial balance in the system.
Update Invoice StateChanges the state of an invoice, a simplified invoice, an invoice receipt, a credit note, or a debit note.
Update State of Quote, Proforma, or Fees NoteChanges the state of a quote, proforma, or fees note.

How to integrate InvoiceXpress in automation workflow?

3 simple steps to make your InvoiceXpress connected with other apps in automation workflows on WEXTL. Up to 10 minutes integration set up.

STEP 1

Select InvoiceXpress in workflow

Pick InvoiceXpress app in the workflow builder [4] - just one click to select the app.

STEP 2

Connect InvoiceXpress

When prompted, authorize access to InvoiceXpress in WEXTL once. InvoiceXpress credentials are encrypted and never shared with WEXTL. Authorization will be reused in any future API calls [3].

WEXTL wants to integrate with your InvoiceXpress account. Approve?

STEP 3

Build a workflow

Build your workflow with InvoiceXpress yourself or with WEXTL® AI Builder. Connect InvoiceXpress to any available integrations [5], or use HTTP node to go beyond them.

InvoiceXpress

How InvoiceXpress connects and integrates with WEXTL

Save and approve your credentials once — WEXTL® stores authorization information encrypted and reuses the authentication whenever InvoiceXpress app is called in workflows. That allows your finance automations to run without your attention, per defined schedule [7]. Explore documentation [6] for a detailed list of fields that InvoiceXpress supports.

Full InvoiceXpress API documentation

The following table illustrates what fields InvoiceXpress integration require during authorization flow inside our workflow builder [4].

Video slide demonstrates how InvoiceXpress is connected in WEXTL builder [4].

Field	Type	Help
Account NameRequired	text	Enter your account name. For example, if your URL is `https://acme.app.invoicexpress.com`, enter `acme`. You can find your account name by navigating to Users → API in your dashboard.
API KeyRequired	password	Enter your API key. To find your API key, navigate to Users → API in your dashboard. We strongly recommend regenerating your API key periodically to keep your account secure.

Connect InvoiceXpress to popular apps on WEXTL

Enter a name of the other app you want to sync with InvoiceXpress below. Click on selected app to explore integration options with InvoiceXpress. If the app you search for is not available in WEXTL yet, you can use HTTP node [10] instead to integrate it directly.

Example automation with InvoiceXpress integration

Select Watch Invoices trigger from InvoiceXpress - this will be a starting point in your automation. Whenever event happens in InvoiceXpress, workflow will start [7] from Watch Invoices node.

Search for Update an Invoice or Note, connect it as the next step of integration sequence. You can use filters between Watch Invoices and Update an Invoice or Note, so only important data pass from Watch Invoices to the next step. WEXTL gives you full control over the process of InvoiceXpress automation. All parts of workflow are visible on the canvas [4].

InvoiceXpress on WEXTL has 65 modules for building finance automations. Explore InvoiceXpress documentation for more.

Video slide demonstrates how Watch Invoices and Update an Invoice or Note nodes are used in InvoiceXpress workflow.

Video slide demonstrates how Watch Invoices and Update an Invoice or Note [6] nodes are used in InvoiceXpress workflow.

Frequently asked questions

Common questions about automating InvoiceXpress in your workflows.

InvoiceXpress has 6 triggers, including "Watch Estimates", "Watch Guides", and "Watch Invoices", and more. Triggers are start points of the workflow, and automations may start from them.

Integration has 59 actions, including "Create Regularization", "Get a Client", and "Get a Client", and more. Refer to our InvoiceXpress Documentation for detailed inputs and outputs.

No. Most automations are built visually on the canvas by picking triggers, actions, and mapping fields. You can add custom JavaScript with Functions when advanced logic is needed — but our customers do that in rare cases [4].

Yes. Connections are authenticated per account, credentials are encrypted at rest, and you can enforce approvals and team-level access controls on any automation.

The InvoiceXpress integration on WEXTL runs directly on its vendor public API — every field name, authentication method, and rate limit is controlled by InvoiceXpress official API and covered in documentation [3]. WEXTL handles the request signing and pagination for you.

Absolutely. Where InvoiceXpress provides native webhooks, you can use instant triggers to eliminate polling delay. For custom webhooks, WEXTL offers Custom Webhook node, so you can start automation whenever InvoiceXpress or any other service sends event to webhook URL.

WEXTL is an AI-first visual canvas. The platform allows you to describe automation in plain text — and AI will wire nodes for InvoiceXpress inside the workflow builder [4]. You can also use built-in workflow nodes (AI Agent, Human in the Loop, Condition, Aggregate Results) in pair with InvoiceXpress modules to craft complex integration flows with branches, filtering, and conditional logic. There are absolutely no limits of what you can build.

References

List of sources used to gather information about the InvoiceXpress integration.

InvoiceXpress integration source code, module specs and credentials implementation.
Internal InvoiceXpress integration documentation, structured input and output parameters, scopes, and authentication methods.
Official InvoiceXpress vendor API documentation — used to verify field meanings, authentication flows, and anything our own specs don't fully capture.
WEXTL® Visual Workflow Builder, anonymized data from our technical support team.
WEXTL® Apps Library
WEXTL® InvoiceXpress App Documentation
WEXTL® Workflow Scheduler
WEXTL® HTTP node documentation

InvoiceXpress Integration

Supported triggers and actions for InvoiceXpress integration