diff --git a/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/controllers/InviteController.java b/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/controllers/InviteController.java
index 9d0d81d..5abdf85 100644
--- a/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/controllers/InviteController.java
+++ b/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/controllers/InviteController.java
@@ -1,9 +1,14 @@
 package fr.iut.sciencequest.sae.controllers;
 
+import fr.iut.sciencequest.sae.dto.invite.InviteDTO;
+import fr.iut.sciencequest.sae.dto.invite.InviteSimpleDTO;
 import fr.iut.sciencequest.sae.dto.invite.InviteWithPseudoOnlyDTO;
+import fr.iut.sciencequest.sae.entities.Invite;
 import fr.iut.sciencequest.sae.services.InviteService;
 import jakarta.validation.Valid;
 import lombok.AllArgsConstructor;
+import org.modelmapper.ModelMapper;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.web.bind.annotation.*;
 
@@ -14,4 +19,12 @@ import java.util.HashMap;
 @RequestMapping("/api/v1/invite")
 public class InviteController {
     private final InviteService inviteService;
+    private final ModelMapper modelMapper;
+
+    @PostMapping(consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    @ResponseStatus(HttpStatus.CREATED)
+    public InviteSimpleDTO createInvite(@RequestBody @Valid InviteWithPseudoOnlyDTO inviteRequest){
+        Invite invite = this.modelMapper.map(inviteRequest, Invite.class);
+        return this.modelMapper.map(this.inviteService.create(invite), InviteSimpleDTO.class);
+    }
 }
diff --git a/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/dto/invite/InviteSimpleDTO.java b/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/dto/invite/InviteSimpleDTO.java
new file mode 100644
index 0000000..ddb6731
--- /dev/null
+++ b/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/dto/invite/InviteSimpleDTO.java
@@ -0,0 +1,23 @@
+package fr.iut.sciencequest.sae.dto.invite;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import fr.iut.sciencequest.sae.dto.partie.PartieDTO;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import lombok.*;
+import org.springframework.hateoas.RepresentationModel;
+
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@EqualsAndHashCode(callSuper = false)
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public class InviteSimpleDTO extends RepresentationModel<InviteSimpleDTO> {
+    @NotNull
+    private Integer id;
+
+    @NotBlank
+    private String pseudo;
+}
diff --git a/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/exceptions/notFound/InviteNotFoundException.java b/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/exceptions/notFound/InviteNotFoundException.java
index 435be02..b036d48 100644
--- a/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/exceptions/notFound/InviteNotFoundException.java
+++ b/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/exceptions/notFound/InviteNotFoundException.java
@@ -5,7 +5,7 @@ import org.springframework.web.bind.annotation.ResponseStatus;
 
 @ResponseStatus(HttpStatus.NOT_FOUND)
 public class InviteNotFoundException extends EntityNotFoundException{
-    public InviteNotFoundException(String id) {
+    public InviteNotFoundException(int id) {
         super("Invite", id);
     }
 }
diff --git a/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/repositories/JoueurRepository.java b/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/repositories/JoueurRepository.java
index 61ae108..9fe0e72 100644
--- a/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/repositories/JoueurRepository.java
+++ b/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/repositories/JoueurRepository.java
@@ -5,4 +5,6 @@ import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
-public interface JoueurRepository extends CrudRepository<Joueur, Integer> {}
+public interface JoueurRepository extends CrudRepository<Joueur, Integer> {
+    boolean existsByPseudo(String pseudo);
+}
diff --git a/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/services/InviteService.java b/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/services/InviteService.java
index 38bfdc5..1858398 100644
--- a/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/services/InviteService.java
+++ b/SpringBootProject/src/main/java/fr/iut/sciencequest/sae/services/InviteService.java
@@ -1,20 +1,43 @@
 package fr.iut.sciencequest.sae.services;
 
-import fr.iut.sciencequest.sae.entities.Joueur;
-import fr.iut.sciencequest.sae.entities.Partie;
-import fr.iut.sciencequest.sae.exceptions.partie.PartyAlreadyStartedException;
+import fr.iut.sciencequest.sae.entities.Invite;
+import fr.iut.sciencequest.sae.entities.Thematique;
+import fr.iut.sciencequest.sae.exceptions.DuplicatedFieldException;
+import fr.iut.sciencequest.sae.exceptions.DuplicatedIdException;
 import fr.iut.sciencequest.sae.exceptions.notFound.InviteNotFoundException;
+import fr.iut.sciencequest.sae.exceptions.notFound.ThematiqueNotFoundException;
+import fr.iut.sciencequest.sae.repositories.InviteRepository;
 import fr.iut.sciencequest.sae.repositories.JoueurRepository;
-import fr.iut.sciencequest.sae.repositories.PartieRepository;
-import jakarta.persistence.EntityManager;
-import jakarta.persistence.PersistenceContext;
+import fr.iut.sciencequest.sae.repositories.ThematiqueRepository;
 import lombok.AllArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-
-import java.util.HashMap;
 
 @AllArgsConstructor
 @Service
 public class InviteService {
+    private final InviteRepository inviteRepository;
+    private final JoueurRepository joueurRepository;
+
+    private void checkFieldsConstraints(Invite invite){
+        if(this.joueurRepository.existsByPseudo(invite.getPseudo())){
+            throw new DuplicatedFieldException("pseudo");
+        }
+    }
+    public Invite update(Invite invite){
+        if(!this.joueurRepository.existsById(invite.getId())){
+            throw new InviteNotFoundException(invite.getId());
+        }
+        this.checkFieldsConstraints(invite);
+        return this.inviteRepository.save(invite);
+    }
+
+    public Invite create(Invite invite){
+        if(invite.getId() != null && this.joueurRepository.existsById(invite.getId())){
+            throw new DuplicatedIdException();
+        }
+        this.checkFieldsConstraints(invite);
+        return this.inviteRepository.save(invite);
+    }
 }