diff --git a/backend/src/graphql/resolver/ContributionResolver.ts b/backend/src/graphql/resolver/ContributionResolver.ts
new file mode 100644
index 000000000..728ff6a49
--- /dev/null
+++ b/backend/src/graphql/resolver/ContributionResolver.ts
@@ -0,0 +1,45 @@
+import { Context, getUser } from '@/server/context'
+import { backendLogger as logger } from '@/server/logger'
+import { Contribution } from '@entity/Contribution'
+import { Args, Authorized, Ctx, Mutation, Resolver } from 'type-graphql'
+import CreateContributionArgs from '../arg/CreateContributionArgs'
+import { getUserCreation } from './util/getUserCreation'
+import { isContributionValid } from './util/isContributionValid'
+
+@Resolver()
+export class ContributionResolver {
+  @Authorized([])
+  @Mutation(() => Contribution)
+  async createContribution(
+    @Args() { amount, memo, creationDate }: CreateContributionArgs,
+    @Ctx() context: Context,
+  ): Promise<Contribution> {
+    logger.trace('createContribution..')
+    const user = getUser(context)
+    if (!user) {
+      throw new Error(`Could not find user`)
+    }
+    if (user.deletedAt) {
+      throw new Error('This user was deleted. Cannot create a contribution.')
+    }
+    if (!user.emailChecked) {
+      throw new Error('Contribution could not be saved, Email is not activated')
+    }
+    const creations = await getUserCreation(user.id)
+    logger.trace('creations', creations)
+    const creationDateObj = new Date(creationDate)
+    if (!isContributionValid(creations, amount, creationDateObj)) {
+      throw new Error('Contribution is not valid')
+    }
+    const contribution = Contribution.create()
+    contribution.userId = user.id
+    contribution.amount = amount
+    contribution.createdAt = new Date()
+    contribution.contributionDate = creationDateObj
+    contribution.memo = memo
+
+    logger.trace('contribution to save', contribution)
+    await Contribution.save(contribution)
+    return contribution
+  }
+}