diff --git a/api_de.md b/api_de.md
index 0f8182e..3fed5d2 100644
--- a/api_de.md
+++ b/api_de.md
@@ -1,5 +1,5 @@
 # API
-## Erste Schritte und Grundlagen
+## Vorbereitung
 1. Nutzer muss mindestens der Nutzergruppe `Standard` angehören
     1. Eigene/Freigegebene Daten können eingesehen werden (`GET`)
     2. Neue Daten können angelegt (`POST`) und bestehende bearbeitet werden (`PUT`)
@@ -9,3 +9,334 @@
 1. Nutzer muss sich einen API Token im KSP-Profil generieren
     1. Generierte Token müssen erst von Administratoren bestätigt werden. Vorher sind sie nicht gültig und können nicht verwendet werden. Administratoren werden automatisch nach Generierung eines neuen Token per Mail informiert.
     1. Token können von Administratoren zeitlich begrenzt werden. Ist das Datum der Gültigkeit abgelaufen, können die Token nicht länger verwendet werden
+    1. Token werden in jedem Request Header als `Ksptoken` angegeben
+
+## Spezifikation
+### Eingriff
+#### GET alle
+`/api/v1/intervention`
+
+**Beispiel Response:**
+<details>
+    <summary>Aufklappen</summary>
+    
+```json
+{
+    "bd7673cb-aac1-42ba-9521-4e8143a82bb3": {
+        "type": "MultiPolygon",
+        "coordinates": [
+            [
+                [
+                    [
+                        7.593955993652341,
+                        50.36244809879689
+                    ],
+                    [
+                        7.592582702636717,
+                        50.36023051515941
+                    ],
+                    [
+                        7.601766586303708,
+                        50.35823186336356
+                    ],
+                    [
+                        7.603225708007811,
+                        50.3628587510637
+                    ],
+                    [
+                        7.599148750305174,
+                        50.362557606415464
+                    ],
+                    [
+                        7.596273422241207,
+                        50.362612360130036
+                    ],
+                    [
+                        7.593955993652341,
+                        50.36244809879689
+                    ]
+                ]
+            ]
+        ],
+        "properties": {
+            "id": "bd7673cb-aac1-42ba-9521-4e8143a82bb3",
+            "identifier": "EIV-012022-B9E08J",
+            "title": "Tolles Baugebiet",
+            "created_on": "2022-01-24T15:18:00.258Z",
+            "modified_on": "2022-01-27T14:18:43.221Z",
+            "responsible": {
+                "registration_office": {
+                    "atom_id": 1764986,
+                    "long_name": "Stadt Koblenz",
+                    "short_name": null
+                },
+                "registration_file_number": "123",
+                "conservation_office": {
+                    "atom_id": 710138,
+                    "long_name": "ST Koblenz",
+                    "short_name": "25"
+                },
+                "conservation_file_number": "5664",
+                "handler": "Stadt Koblenz"
+            },
+            "legal": {
+                "registration_date": "2021-12-27",
+                "binding_date": "2022-01-21",
+                "process_type": {
+                    "atom_id": 626841266,
+                    "long_name": "Bebauungsplan",
+                    "short_name": null
+                },
+                "laws": [
+                    {
+                        "atom_id": 710067,
+                        "long_name": "Bauordnung von Rheinland-Pfalz",
+                        "short_name": "LBauO"
+                    }
+                ]
+            },
+            "compensations": [],
+            "payments": [
+                {
+                    "amount": 1.0,
+                    "due_on": "2022-01-04",
+                    "comment": ""
+                }
+            ],
+            "deductions": []
+        }
+    },
+    "e4e5197f-fe6c-49f6-93d0-8034d0592c1f": {
+        "type": "MultiPolygon",
+        "coordinates": [
+            [
+                [
+                    [
+                        7.593955993652341,
+                        50.36244809879689
+                    ],
+                    [
+                        7.592582702636717,
+                        50.36023051515941
+                    ],
+                    [
+                        7.601766586303708,
+                        50.35823186336356
+                    ],
+                    [
+                        7.603225708007811,
+                        50.3628587510637
+                    ],
+                    [
+                        7.599148750305174,
+                        50.362557606415464
+                    ],
+                    [
+                        7.596273422241207,
+                        50.362612360130036
+                    ],
+                    [
+                        7.593955993652341,
+                        50.36244809879689
+                    ]
+                ]
+            ]
+        ],
+        "properties": {
+            "id": "e4e5197f-fe6c-49f6-93d0-8034d0592c1f",
+            "identifier": "EIV-012022-GPFPQF",
+            "title": "Tolles Baugebiet",
+            "created_on": "2022-01-24T16:04:34.891Z",
+            "modified_on": "2022-01-24T16:04:34.891Z",
+            "responsible": {
+                "registration_office": {
+                    "atom_id": 1764986,
+                    "long_name": "Stadt Koblenz",
+                    "short_name": null
+                },
+                "registration_file_number": "123",
+                "conservation_office": {
+                    "atom_id": 710138,
+                    "long_name": "ST Koblenz",
+                    "short_name": "25"
+                },
+                "conservation_file_number": "5664",
+                "handler": "Stadt Koblenz"
+            },
+            "legal": {
+                "registration_date": "2021-12-27",
+                "binding_date": "2022-01-21",
+                "process_type": {
+                    "atom_id": 626841266,
+                    "long_name": "Bebauungsplan",
+                    "short_name": null
+                },
+                "laws": [
+                    {
+                        "atom_id": 710067,
+                        "long_name": "Bauordnung von Rheinland-Pfalz",
+                        "short_name": "LBauO"
+                    }
+                ]
+            },
+            "compensations": [],
+            "payments": [],
+            "deductions": []
+        }
+    },
+    ...
+}
+    
+```
+    
+</details>
+
+
+#### GET einzeln
+`/api/v1/intervention/<uuid>`
+
+**Beispiel Response:**
+<details>
+    <summary>Aufklappen</summary>
+    
+```json
+{
+    "97d7cce8-83e9-4043-bc76-317caf983a41": {
+        "type": "MultiPolygon",
+        "coordinates": [
+            [
+                [
+                    [
+                        7.593955993652341,
+                        50.36244809879689
+                    ],
+                    [
+                        7.592582702636717,
+                        50.36023051515941
+                    ],
+                    [
+                        7.601766586303708,
+                        50.35823186336356
+                    ],
+                    [
+                        7.603225708007811,
+                        50.3628587510637
+                    ],
+                    [
+                        7.599148750305174,
+                        50.362557606415464
+                    ],
+                    [
+                        7.596273422241207,
+                        50.362612360130036
+                    ],
+                    [
+                        7.593955993652341,
+                        50.36244809879689
+                    ]
+                ]
+            ]
+        ],
+        "properties": {
+            "id": "97d7cce8-83e9-4043-bc76-317caf983a41",
+            "identifier": "EIV-12022-B6XGM9",
+            "title": "Tolles Baugebiet GEÄNDERT1",
+            "created_on": "2022-01-12T11:37:31.580Z",
+            "modified_on": "2022-01-27T10:36:40.324Z",
+            "responsible": {
+                "registration_office": {
+                    "atom_id": 1764986,
+                    "long_name": "Stadt Koblenz",
+                    "short_name": null
+                },
+                "registration_file_number": "123",
+                "conservation_office": {
+                    "atom_id": 710138,
+                    "long_name": "ST Koblenz",
+                    "short_name": "25"
+                },
+                "conservation_file_number": "5664",
+                "handler": "Stadt Koblenz ODERSO"
+            },
+            "legal": {
+                "registration_date": "2022-01-11",
+                "binding_date": "2022-01-28",
+                "process_type": {
+                    "atom_id": 798693007,
+                    "long_name": "Abstimmung",
+                    "short_name": null
+                },
+                "laws": [
+                    {
+                        "atom_id": 710067,
+                        "long_name": "Bauordnung von Rheinland-Pfalz",
+                        "short_name": "LBauO"
+                    }
+                ]
+            },
+            "compensations": [
+                {
+                    "id": "71a0d04e-8d6a-4d95-845a-6889d920b5f6",
+                    "identifier": "KOM-012022-2OOT0W",
+                    "title": "Tolle Kompensation"
+                },
+                {
+                    "id": "7303afbb-693c-4623-adb0-8ab115d6bacc",
+                    "identifier": "KOM-012022-EG28XU",
+                    "title": "Tolle Kompensation"
+                },
+                {
+                    "id": "d0ef1ef2-0bfd-4162-b8ac-15a560a2346f",
+                    "identifier": "KOM-012022-13A8HK",
+                    "title": "Tolle Kompensation"
+                },
+                {
+                    "id": "a57ed186-7a64-4b25-bbae-185fb96a132d",
+                    "identifier": "KOM-012022-NN28UL",
+                    "title": "Tolle Kompensation"
+                },
+                {
+                    "id": "128d387d-9ef5-499c-a33f-9aa0ff4ea731",
+                    "identifier": "KOM-012022-UL356G",
+                    "title": "Tolle Kompensation1234"
+                },
+                {
+                    "id": "d68e9874-70c0-41c5-bd05-9dda97d70ac0",
+                    "identifier": "KOM-12022-W3VTY1",
+                    "title": "Tolle Kompensation"
+                }
+            ],
+            "payments": [
+                {
+                    "amount": 100.0,
+                    "due_on": "2022-01-12",
+                    "comment": ""
+                }
+            ],
+            "deductions": [
+                {
+                    "id": "f784e131-afb7-4e15-ad57-0b2469f5e967",
+                    "eco_account": {
+                        "id": "3e7acd84-bb67-408d-886e-91004c319f38",
+                        "identifier": "OEK-12022-TW4ECJ",
+                        "title": "Tolles Ökokonto"
+                    },
+                    "surface": 1000.0,
+                    "intervention": {
+                        "id": "97d7cce8-83e9-4043-bc76-317caf983a41",
+                        "identifier": "EIV-12022-B6XGM9",
+                        "title": "Tolles Baugebiet GEÄNDERT1"
+                    }
+                }
+            ]
+        }
+    }
+}
+```
+</details>
+
+
+
+<details>
+    <summary>Click to expand</summary>
+</details>
\ No newline at end of file