Provider API

Issue tax documents and transmit them to myDATA (version 2.0.2) of AADE, the Greek tax authority. Every call needs the API-KEY header, except the public document links.

Base URL	Sandbox https://provider-dev.timologisi.online · Production https://provider.timologisi.online
Authentication	Header API-KEY: <your key>, a different key for each environment. See Account & API key.
Format	JSON (Content-Type: application/json), UTF-8. Field names are case-insensitive.
Files	OpenAPI (YAML) · Postman

Endpoints

	Endpoint	What it does
POST	/api/v1/Provider/SendInvoices	Issue and transmit a document. Types 1.1 – 11.5 only; types 12.x – 17.x are not transmitted by a provider.
POST	/api/v1/Provider/SendInvoicesB2G	E-invoice to a public sector body (EN 16931).
GET	/api/v1/Provider/RequestTransmittedDocs	Search the documents you have issued.
POST	/api/v1/Provider/CancelDeliveryNote	Cancel a delivery note (9.x).
POST	/api/v1/Provider/CancelReceivingNote	Cancel a quantitative receiving note (10.x).
GET	/api/v1/Provider/GetCreditsBalance	Your credits balance.
GET	/api/v1/Provider/GetInvoicePdf/{fileName}	The PDF behind invoiceUrl (public).
GET	/api/v1/Provider/GetInvoice/{uid}/{fileType}	The document by UID, as pdf or myDATA (public; this is the downloadingInvoiceUrl).
GET	/api/v1/Provider/GetInvoicePdfByAuthenticationCode/{code}	The PDF by Authentication Code (public).
POST	/api/v1/Provider/CompletionPosInvoices	Completion after the charge on the POS terminal.
POST	/api/v1/Provider/AskSignatureForOldInvoice	Provider signature to pay an already issued document through a POS terminal.
POST	/api/v1/Provider/CompletionAskSignatureForOldInvoice	Completion of that payment.
GET	/api/v1/Provider/GetOpenTables	Tables with open 8.6 order slips.
GET	/api/v1/Provider/GetOpenOrdersForTable	The open order slips of one table.

To add a new customer (VAT number, ΑΦΜ) to your API key, use the Onboarding API.