Quiddly Developer Portal

Using an AI tool to build the integration?

Point it at llms.txt on this site. It lists this documentation as plain markdown, one file per section, for the version of the API you are calling. An assistant connected through the MCP server is told about it on connection.

Authenticate

Service accounts, JWT, and the two-flow auth model.

Rights catalogue

Every right that gates an endpoint or UI feature, grouped by domain.

Onboard client

Create a client and configure its products and settings.

Create & book Invoice

Create and activate an invoice to booked - service or factoring.

Create & book Business Loan

Create, decide, and book a business loan.

Create & book Collection Case

Group expired invoices into a collection case to booked.

React to events

Subscribe to webhooks instead of polling.

Export bookkeeping

Generate and retrieve the internal SIE file.

Fetch reports and files

Retrieve distributed reports, transaction reports, payout files and query reports.

Payments and unplaced payments

Register payments in bulk and follow the ones that could not be matched.

Try requests live

The interactive reference targets this tenant.

Developer Mode

Debug API calls, webhooks, and cache from the Operations Portal.

Connect an AI assistant

Let Claude or an IDE agent read your tenant through the MCP server.