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InvoiceXpress (BYOK)

Read your InvoiceXpress invoices, estimates, clients, items and taxes with your own account API key

Unify Dynamics LLC

Tools10read-only
Sign-inBYOKbring your own key
Key keptNeverused for one call only
PriceFreeoptional Pro limits
ProviderInvoiceXpressunofficial, not affiliated
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

Which InvoiceXpress invoices have been sent and are still open?
Tools called
list_invoices
Show InvoiceXpress invoice 2137287
Tools called
get_invoice
Which InvoiceXpress quotes were accepted?
Tools called
list_estimates
Show InvoiceXpress quote 541791
Tools called
get_quote
Who are my InvoiceXpress clients?
Tools called
list_clients
Show InvoiceXpress client 1
Tools called
get_client

About

InvoiceXpress (BYOK) lets an AI assistant read your own InvoiceXpress data through the InvoiceXpress API with a key you supply (InvoiceXpress API key). Read-only: 10 tools (list_invoices, get_invoice, list_estimates, get_quote, list_clients, get_client, list_items, list_taxes, list_sequences, list_guides). The BYOK key travels with each request, is used for that one call only and is never stored, logged or cached; it is only ever sent to *.app.invoicexpress.com. Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by InvoiceXpress. InvoiceXpress and its logos are trademarks of their owners and are used only to say which service the connector works with.

Sources: Live from the InvoiceXpress API (*.app.invoicexpress.com) with a BYOK key; documentation: https://invoicexpress.com/api-v2/documentation/getting-started/. Endpoints checked against that documentation on 2026-10-16.

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.

What it can do

10 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Read your data10 tools
  • List invoicesList invoices of one type and status with number, dates, totals, currency and client.
  • Get invoiceGet one invoice by id with number, status, dates, totals, client, line items (name, price, quantity, tax) and payment reference.
  • List estimatesList quotes, proformas or fees notes with number, status, dates, totals and client.
  • Get quoteGet one quote by id with number, status, dates, totals, client and line items.
  • List clientsList clients with name, code, e-mail, address, country, phone and preferred contact.
  • Get clientGet one client by id with contact details, payment days and observations.
  • List itemsList the saved items (products and services) with name, description, unit price, unit and tax.
  • List taxesList the tax rates defined in the account with name, region, percentage and default flag.
  • List sequencesList the document sequences (series) with id, series name and whether it is the default.
  • List guidesList delivery guides (Shipping, Transport or Devolution) with number, status, dates, addresses and client.

Information

PublisherUnify Dynamics LLC
CategoryMoney & business
LanguagesEnglish
Built forWorldwide
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://byok-invoicexpress.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide
FunctionOther
LayerDeep connectors

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Get InvoiceXpress (BYOK)

Free · BYOK · Read-only

BYOK: bring your own keyThis connector uses your own InvoiceXpress InvoiceXpress API key. Create one at https://www.app.invoicexpress.com/users/api, with the fewest permissions it needs (read-only if the provider offers it). Your assistant sends it in the X-Upstream-Key header with every request. It is used for that one call only: never stored, logged or cached, and only ever sent to InvoiceXpress. Revoke it at the provider whenever you like. Unofficial connector: not affiliated with InvoiceXpress.