diff --git a/src/ApiResource/Project/RewardClaimApiResource.php b/src/ApiResource/Project/RewardClaimApiResource.php
index 6ddfd97..704f5be 100644
--- a/src/ApiResource/Project/RewardClaimApiResource.php
+++ b/src/ApiResource/Project/RewardClaimApiResource.php
@@ -6,11 +6,11 @@ use ApiPlatform\Doctrine\Orm\State\Options;
 use ApiPlatform\Metadata as API;
 use App\ApiResource\Gateway\ChargeApiResource;
 use App\ApiResource\User\UserApiResource;
+use App\Dto\RewardClaimCreationDto;
 use App\Entity\Project\RewardClaim;
 use App\State\ApiResourceStateProvider;
 use App\State\Project\RewardClaimStateProcessor;
 use App\Validator\AvailableRewardUnits;
-use App\Validator\EnoughRewardCharge;
 use Symfony\Component\Validator\Constraints as Assert;
 
 /**
@@ -22,7 +22,10 @@ use Symfony\Component\Validator\Constraints as Assert;
     provider: ApiResourceStateProvider::class,
     processor: RewardClaimStateProcessor::class
 )]
-#[EnoughRewardCharge()]
+#[API\GetCollection()]
+#[API\Post(input: RewardClaimCreationDto::class)]
+#[API\Get()]
+#[API\Delete()]
 class RewardClaimApiResource
 {
     #[API\ApiProperty(identifier: true, writable: false)]
diff --git a/src/Dto/RewardClaimCreationDto.php b/src/Dto/RewardClaimCreationDto.php
new file mode 100644
index 0000000..b6f5251
--- /dev/null
+++ b/src/Dto/RewardClaimCreationDto.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Dto;
+
+use App\ApiResource\Gateway\ChargeApiResource;
+use App\ApiResource\Project\RewardApiResource;
+use App\Validator\AvailableRewardUnits;
+use App\Validator\EnoughRewardCharge;
+use App\Validator\SameProjectRewardCharge;
+use App\Validator\SingleRewardClaimPerCharge;
+use Symfony\Component\Validator\Constraints as Assert;
+
+#[EnoughRewardCharge()]
+#[SameProjectRewardCharge()]
+#[SingleRewardClaimPerCharge()]
+class RewardClaimCreationDto
+{
+    /**
+     * The GatewayCharge granting access to the ProjectReward.
+     */
+    #[Assert\NotBlank()]
+    public ChargeApiResource $charge;
+
+    /**
+     * The ProjectReward being claimed.
+     */
+    #[Assert\NotBlank()]
+    #[AvailableRewardUnits()]
+    public RewardApiResource $reward;
+}
diff --git a/src/State/Project/RewardClaimStateProcessor.php b/src/State/Project/RewardClaimStateProcessor.php
index d133a86..15ce788 100644
--- a/src/State/Project/RewardClaimStateProcessor.php
+++ b/src/State/Project/RewardClaimStateProcessor.php
@@ -5,6 +5,7 @@ namespace App\State\Project;
 use ApiPlatform\Metadata\Operation;
 use ApiPlatform\State\ProcessorInterface;
 use App\ApiResource\Project\RewardClaimApiResource;
+use App\Dto\RewardClaimCreationDto;
 use App\Entity\Project\RewardClaim;
 use App\Mapping\AutoMapper;
 use App\Service\Auth\AuthService;
@@ -20,7 +21,7 @@ class RewardClaimStateProcessor implements ProcessorInterface
     ) {}
 
     /**
-     * @param RewardClaimApiResource $data
+     * @param RewardClaimApiResource|RewardClaimCreationDto $data
      *
      * @return RewardClaimApiResource|null
      */
@@ -29,7 +30,7 @@ class RewardClaimStateProcessor implements ProcessorInterface
         /** @var RewardClaim */
         $claim = $this->autoMapper->map($data, RewardClaim::class);
 
-        if (!$claim->getId()) {
+        if ($data instanceof RewardClaimCreationDto) {
             $owner = $this->authService->getUser();
 
             if (!$owner) {