Retrieve Open Order Documents (FnB)

IMPACT DEMO API

https://einvoiceapiuat.impact.gr

GET

https://einvoiceapiuat.impact.gr/FnBDocuments/{issuerVatNumber}/open/

This API call returns all open Delivery Orders (FnB) for a given issuer VAT number (issuerVat) within the specified date range.
The purpose is to identify documents that remain open and have not yet been finalized.

📌 Important Notes

Date format must be in YYYY-MM-DD.
The date range (dateTo - dateFrom) must not exceed 48 hours.
Date calculations start from 00:00:00 (Greece time) on the dateFrom day.
If the range exceeds 48 hours or the format is invalid, the API will return a 400 Bad Request with a validation error.

Request

Path Params

issuerVatNumber

string

required

Example:

EL000000000

Query Params

dateFrom

string

optional

Example:

2025-05-11

dateTo

string

optional

Example:

2025-05-13

Header Params

apiKey

string

optional

Request samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request GET 'https://einvoiceapiuat.impact.gr/FnBDocuments/ EL000000000/open/?dateFrom=2025-05-11&dateTo=2025-05-13' \
--header 'apiKey;'

Responses

🟢200Success

application/json

Body

object {0}

Example

{}

Modified at 2025-06-12 10:05:33

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