diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000000000000000000000000000000000000..e14b6a99e7209e7a792eb54731d0a73614ce9d7c
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2022 Das Land Schleswig-Holstein vertreten durch den
+# Ministerpräsidenten des Landes Schleswig-Holstein
+# Staatskanzlei
+# Abteilung Digitalisierung und zentrales IT-Management der Landesregierung
+#
+# Lizenziert unter der EUPL, Version 1.2 oder - sobald
+# diese von der Europäischen Kommission genehmigt wurden -
+# Folgeversionen der EUPL ("Lizenz");
+# Sie dürfen dieses Werk ausschließlich gemäß
+# dieser Lizenz nutzen.
+# Eine Kopie der Lizenz finden Sie hier:
+#
+# https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12
+#
+# Sofern nicht durch anwendbare Rechtsvorschriften
+# gefordert oder in schriftlicher Form vereinbart, wird
+# die unter der Lizenz verbreitete Software "so wie sie
+# ist", OHNE JEGLICHE GEWÄHRLEISTUNG ODER BEDINGUNGEN -
+# ausdrücklich oder stillschweigend - verbreitet.
+# Die sprachspezifischen Genehmigungen und Beschränkungen
+# unter der Lizenz sind dem Lizenztext zu entnehmen.
+#
+
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false
+
+[*.yml]
+indent_size = 2
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..dfef11fec1a6a560e16005d6dab3446ff596505d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,21 @@
+# SERVER
+target/
+.classpath
+.project
+.settings
+
+# IDE
+.project
+.classpath
+.settings/
+.idea
+*.iws
+*.iml
+*.ipr
+
+# Client
+goofy-client/.vscode/
+goofy-client/apps/coverage/
+
+.attach**
+.factorypath
diff --git a/api-lib-core/pom.xml b/api-lib-core/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..cd3f0432cb5d1da8623e27574e79b46dbdb8f0f1
--- /dev/null
+++ b/api-lib-core/pom.xml
@@ -0,0 +1,33 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>de.ozgcloud.api-lib</groupId>
+		<artifactId>api-lib-parent</artifactId>
+		<version>0.1.0-SNAPSHOT</version>
+	</parent>
+
+	<artifactId>api-lib-core</artifactId>
+
+	<dependencies>
+		<!--ozg cloud project -->
+		<dependency>
+			<groupId>de.itvsh.kop.common</groupId>
+			<artifactId>kop-common-lib</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-context</artifactId>
+		</dependency>
+
+		<!--dev-tools -->
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<scope>compile</scope>
+			<optional>true</optional>
+		</dependency>
+	</dependencies>
+</project>
\ No newline at end of file
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/file/FileId.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/file/FileId.java
new file mode 100644
index 0000000000000000000000000000000000000000..6cb26d1f78a73e31b633b73950801b21099ed248
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/file/FileId.java
@@ -0,0 +1,14 @@
+package de.ozgcloud.apilib.file;
+
+import de.itvsh.kop.common.datatype.StringBasedValue;
+
+public class FileId extends StringBasedValue {
+
+	FileId(String id) {
+		super(id);
+	}
+
+	public FileId from(String id) {
+		return new FileId(id);
+	}
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/file/OzgCloudFile.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/file/OzgCloudFile.java
new file mode 100644
index 0000000000000000000000000000000000000000..61f97f6897423cfa5a492ab407b058cb76ad9f19
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/file/OzgCloudFile.java
@@ -0,0 +1,17 @@
+package de.ozgcloud.apilib.file;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.ToString;
+
+@Builder
+@Getter
+@ToString
+public class OzgCloudFile {
+
+	private FileId id;
+
+	private String name;
+	private String contentType;
+	private long size;
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/file/OzgCloudFileGroup.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/file/OzgCloudFileGroup.java
new file mode 100644
index 0000000000000000000000000000000000000000..56847fb26dfc996491e34727aeb53de277044b1e
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/file/OzgCloudFileGroup.java
@@ -0,0 +1,19 @@
+package de.ozgcloud.apilib.file;
+
+import java.util.List;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.Singular;
+import lombok.ToString;
+
+@Builder
+@Getter
+@ToString
+public class OzgCloudFileGroup {
+
+	private String name;
+
+	@Singular
+	private List<OzgCloudFile> files;
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/user/UserId.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/user/UserId.java
new file mode 100644
index 0000000000000000000000000000000000000000..72013e49dbfbc8a3ac7d03d53e84da87c4611da2
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/user/UserId.java
@@ -0,0 +1,10 @@
+package de.ozgcloud.apilib.user;
+
+import de.itvsh.kop.common.datatype.StringBasedValue;
+
+public class UserId extends StringBasedValue {
+
+	UserId(String id) {
+		super(id);
+	}
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudAntragsteller.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudAntragsteller.java
new file mode 100644
index 0000000000000000000000000000000000000000..2e0c91e0cb1ad31532617eb9974b290c14bc82cc
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudAntragsteller.java
@@ -0,0 +1,26 @@
+package de.ozgcloud.apilib.vorgang;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class OzgCloudAntragsteller {
+
+	private String anrede;
+	private String nachname;
+	private String vorname;
+
+	private String geburtsdatum;
+	private String geburtsort;
+	private String geburtsname;
+
+	private String strasse;
+	private String hausnummer;
+	private String plz;
+	private String ort;
+
+	private String email;
+	private String telefon;
+
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudEingang.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudEingang.java
new file mode 100644
index 0000000000000000000000000000000000000000..44a7ef648bcca610b308301db58dbe9afd9b82ad
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudEingang.java
@@ -0,0 +1,26 @@
+package de.ozgcloud.apilib.vorgang;
+
+import java.util.List;
+
+import de.ozgcloud.apilib.file.OzgCloudFile;
+import de.ozgcloud.apilib.file.OzgCloudFileGroup;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.ToString;
+
+@Builder
+@Getter
+@ToString(onlyExplicitlyIncluded = true)
+public class OzgCloudEingang {
+
+	@ToString.Include
+	private OzgCloudEingangHeader header;
+	private OzgCloudAntragsteller antragsteller;
+	@ToString.Include
+	private OzgCloudZustaendigeStelle zustaendigeStelle;
+
+	private List<OzgCloudFormDataEntry> formDataEntrys;
+
+	private List<OzgCloudFileGroup> attachments;
+	private List<OzgCloudFile> representations;
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudEingangHeader.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudEingangHeader.java
new file mode 100644
index 0000000000000000000000000000000000000000..db38759bf5f2521ac972828c7baa5fb6f7b42bf1
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudEingangHeader.java
@@ -0,0 +1,24 @@
+package de.ozgcloud.apilib.vorgang;
+
+import java.time.ZonedDateTime;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.ToString;
+
+@Getter
+@Builder
+@ToString
+public class OzgCloudEingangHeader {
+
+	private String requestId;
+
+	private ZonedDateTime createdAt;
+	private String formId;
+	private String formName;
+	private String formEngineName;
+
+	private String sender;
+	@ToString.Exclude
+	private OzgCloudServiceKonto serviceKonto;
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudFormDataEntry.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudFormDataEntry.java
new file mode 100644
index 0000000000000000000000000000000000000000..bece3c48b29f0561e01c3dea3067930ce29f72f4
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudFormDataEntry.java
@@ -0,0 +1,15 @@
+package de.ozgcloud.apilib.vorgang;
+
+public interface OzgCloudFormDataEntry {
+
+	String getName();
+	String getLabel();
+
+	default boolean isSubForm() {
+		return false;
+	}
+
+	default boolean isFormEntry() {
+		return false;
+	}
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudFormField.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudFormField.java
new file mode 100644
index 0000000000000000000000000000000000000000..4ea42f1e446d803a187cde561984541d3cb53fad
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudFormField.java
@@ -0,0 +1,19 @@
+package de.ozgcloud.apilib.vorgang;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder
+@Getter
+public class OzgCloudFormField implements OzgCloudFormDataEntry {
+
+	private String name;
+	private String label;
+
+	private Object value;
+
+	@Override
+	public boolean isFormEntry() {
+		return true;
+	}
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudPostfachAddress.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudPostfachAddress.java
new file mode 100644
index 0000000000000000000000000000000000000000..caf386b63ef83c01c5aac3e80d66075809fc5bf0
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudPostfachAddress.java
@@ -0,0 +1,15 @@
+package de.ozgcloud.apilib.vorgang;
+
+import java.util.Collection;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class OzgCloudPostfachAddress {
+
+	private String version;
+
+	private Collection<OzgCloudPostfachAddressIdentifier> identifier;
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudPostfachAddressIdentifier.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudPostfachAddressIdentifier.java
new file mode 100644
index 0000000000000000000000000000000000000000..1a706e4cb3f2cbb89e5060a6003573a0fcecdd43
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudPostfachAddressIdentifier.java
@@ -0,0 +1,12 @@
+package de.ozgcloud.apilib.vorgang;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder
+@Getter
+public class OzgCloudPostfachAddressIdentifier {
+
+	private String name;
+	private Object value;
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudServiceKonto.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudServiceKonto.java
new file mode 100644
index 0000000000000000000000000000000000000000..6dff9e12ddeb005dd2ecf629748bff96308523f0
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudServiceKonto.java
@@ -0,0 +1,13 @@
+package de.ozgcloud.apilib.vorgang;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder
+@Getter
+public class OzgCloudServiceKonto {
+
+	private OzgCloudServiceKontoType type;
+
+	private OzgCloudPostfachAddress address;
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudServiceKontoType.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudServiceKontoType.java
new file mode 100644
index 0000000000000000000000000000000000000000..f81c4bca58dafe737031c21db6da1460b35e6112
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudServiceKontoType.java
@@ -0,0 +1,7 @@
+package de.ozgcloud.apilib.vorgang;
+
+import de.itvsh.kop.common.datatype.StringBasedValue;
+
+public class OzgCloudServiceKontoType extends StringBasedValue {
+
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudSubForm.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudSubForm.java
new file mode 100644
index 0000000000000000000000000000000000000000..7e3a86a8462e47ddf6f4862f892e43d18d934aae
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudSubForm.java
@@ -0,0 +1,17 @@
+package de.ozgcloud.apilib.vorgang;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class OzgCloudSubForm implements OzgCloudFormDataEntry {
+
+	private String name;
+	private String label;
+
+	@Override
+	public boolean isSubForm() {
+		return true;
+	}
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudVorgang.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudVorgang.java
new file mode 100644
index 0000000000000000000000000000000000000000..3007b445fa4963203baa26a909a4aa40d8b933a7
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudVorgang.java
@@ -0,0 +1,21 @@
+package de.ozgcloud.apilib.vorgang;
+
+import java.util.List;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder
+@Getter
+public class OzgCloudVorgang {
+
+	private VorgangId id;
+	private long version;
+
+	private String vorgangName;
+	private String vorgangNummer;
+
+	private OzgCloudVorgangHeader header;
+
+	private List<OzgCloudEingang> eingangs;
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudVorgangHeader.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudVorgangHeader.java
new file mode 100644
index 0000000000000000000000000000000000000000..beda8ed89ee1020c56c09ed27bad2f30b377c156
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudVorgangHeader.java
@@ -0,0 +1,20 @@
+package de.ozgcloud.apilib.vorgang;
+
+import java.time.ZonedDateTime;
+
+import de.ozgcloud.apilib.user.UserId;
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder
+@Getter
+public class OzgCloudVorgangHeader {
+
+	private VorgangStatus status;
+
+	private ZonedDateTime createdAt;
+
+	private UserId assigendTo;
+
+	private String aktenzeichen;
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudVorgangService.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudVorgangService.java
new file mode 100644
index 0000000000000000000000000000000000000000..ca44d110e55fffb498dbc527291dbf6d9131efe8
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudVorgangService.java
@@ -0,0 +1,8 @@
+package de.ozgcloud.apilib.vorgang;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class OzgCloudVorgangService {
+
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudZustaendigeStelle.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudZustaendigeStelle.java
new file mode 100644
index 0000000000000000000000000000000000000000..35d8014155cdc66e11ee0d26cf8143906b74d515
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudZustaendigeStelle.java
@@ -0,0 +1,5 @@
+package de.ozgcloud.apilib.vorgang;
+
+public class OzgCloudZustaendigeStelle {
+
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/VorgangId.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/VorgangId.java
new file mode 100644
index 0000000000000000000000000000000000000000..2ab37da389cae57c2023c88d1b21a9b72957d1ad
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/VorgangId.java
@@ -0,0 +1,14 @@
+package de.ozgcloud.apilib.vorgang;
+
+import de.itvsh.kop.common.datatype.StringBasedValue;
+
+public class VorgangId extends StringBasedValue {
+
+	VorgangId(String vorgangId) {
+		super(vorgangId);
+	}
+
+	public static VorgangId from(String id) {
+		return new VorgangId(id);
+	}
+}
diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/VorgangStatus.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/VorgangStatus.java
new file mode 100644
index 0000000000000000000000000000000000000000..fb116d8d539c7fc6345ea6568fcb19db3fd7242d
--- /dev/null
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/VorgangStatus.java
@@ -0,0 +1,10 @@
+package de.ozgcloud.apilib.vorgang;
+
+import de.itvsh.kop.common.datatype.StringBasedValue;
+
+public class VorgangStatus extends StringBasedValue {
+
+	VorgangStatus(String status) {
+		super(status);
+	}
+}
diff --git a/lombok.config b/lombok.config
new file mode 100644
index 0000000000000000000000000000000000000000..d07dd9b0e2b0281fbf514a968b9451cb6af62f93
--- /dev/null
+++ b/lombok.config
@@ -0,0 +1,30 @@
+#
+# Copyright (C) 2022 Das Land Schleswig-Holstein vertreten durch den
+# Ministerpräsidenten des Landes Schleswig-Holstein
+# Staatskanzlei
+# Abteilung Digitalisierung und zentrales IT-Management der Landesregierung
+#
+# Lizenziert unter der EUPL, Version 1.2 oder - sobald
+# diese von der Europäischen Kommission genehmigt wurden -
+# Folgeversionen der EUPL ("Lizenz");
+# Sie dürfen dieses Werk ausschließlich gemäß
+# dieser Lizenz nutzen.
+# Eine Kopie der Lizenz finden Sie hier:
+#
+# https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12
+#
+# Sofern nicht durch anwendbare Rechtsvorschriften
+# gefordert oder in schriftlicher Form vereinbart, wird
+# die unter der Lizenz verbreitete Software "so wie sie
+# ist", OHNE JEGLICHE GEWÄHRLEISTUNG ODER BEDINGUNGEN -
+# ausdrücklich oder stillschweigend - verbreitet.
+# Die sprachspezifischen Genehmigungen und Beschränkungen
+# unter der Lizenz sind dem Lizenztext zu entnehmen.
+#
+
+lombok.log.fieldName=LOG
+lombok.log.slf4j.flagUsage = ERROR
+lombok.log.log4j.flagUsage = ERROR
+lombok.data.flagUsage = ERROR
+lombok.nonNull.exceptionType = IllegalArgumentException
+lombok.addLombokGeneratedAnnotation = true
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..f31c79260d2083e718a0afde22b8aae0a3ee38ae
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,24 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>de.itvsh.kop.common</groupId>
+		<artifactId>kop-common-dependencies</artifactId>
+		<version>2.3.0-SNAPSHOT</version>
+		<relativePath /> <!-- lookup parent from repository -->
+	</parent>
+
+	<groupId>de.ozgcloud.api-lib</groupId>
+	<artifactId>api-lib-parent</artifactId>
+	<version>0.1.0-SNAPSHOT</version>
+	<description>Library project to use the OZG-Cloud API</description>
+
+	<packaging>pom</packaging>
+	<modules>
+		<module>api-lib-core</module>
+	</modules>
+		
+</project>
\ No newline at end of file