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mirrored listing x402 eip155:8453

Checks a German invoice (Rechnung) for the ten mandatory details of § 14 (4) UStG, the Ger

Checks a German invoice (Rechnung) for the ten mandatory details of § 14 (4) UStG, the German VAT act, from caller-supplied invoice text. If a total up to 250 EUR is detectable, the small-amount simplifications (Kleinbetragsrechnung, § 33 UStDV) apply and dispensable details come back as not_applicable, not as a defect. Also states whether a structured e-invoice format (XRechnung/CII, UBL, ZUGFeRD) is present: a format finding only, no claim about any duty or deadline. No tax advice.

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100000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-16
updated

Provider

api.ozdreamtools.de · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x4Dd5E59475A55f1C2c0816469600663cb74cC1Dc",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "100000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "text": "Muster GmbH, Musterstr. 1, 65812 Bad Soden · Rechnung Nr. 2026-014 vom 23.07.2026 · Leistungsempfänger: Beispiel AG, Beispielweg 2, 60313 Frankfurt · Leistungsdatum: 20.07.2026 · 3 Std. Beratung · Netto 300,00 EUR · 19% USt 57,00 EUR · Gesamt 357,00 EUR · USt-IdNr: DE123456789"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "checked_at": "2026-07-23T09:00:00.000Z",
          "e_invoice": {
            "format_detected": "no_structured_format",
            "note": "…"
          },
          "items": [
            {
              "conditional": false,
              "facts": {},
              "key": "name_address",
              "status": "ok",
              "ustg": "§ 14 Abs. 4 Nr. 1"
            }
          ],
          "legal_basis": {
            "note": "…",
            "sources": [
              "https://www.gesetze-im-internet.de/ustg_1980/__14.html"
            ]
          },
          "not_applicable": [
            "credit_note"
          ],
          "not_decidable": [],
          "score": {
            "hint": "…",
            "max": 16,
            "points": 16
          },
          "small_amount_invoice": {
            "amount_eur": 357,
            "detected": false,
            "note": "…"
          }
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "text": {
                  "description": "Invoice text, HTML or XML of an invoice",
                  "type": "string"
                }
              },
              "required": [
                "text"
              ]
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://api.ozdreamtools.de/api/invoice/check"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api.ozdreamtools.de/api/invoice/check");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://api.ozdreamtools.de/api/invoice/check")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/3606.json, and this resource appears in /discovery/resources and /discovery/search.