diff --git a/backend/src/auth/INALIENABLE_RIGHTS.ts b/backend/src/auth/INALIENABLE_RIGHTS.ts
index 10d745806..fa9ea2224 100644
--- a/backend/src/auth/INALIENABLE_RIGHTS.ts
+++ b/backend/src/auth/INALIENABLE_RIGHTS.ts
@@ -7,4 +7,5 @@ export const INALIENABLE_RIGHTS = [
   RIGHTS.CREATE_USER,
   RIGHTS.SEND_RESET_PASSWORD_EMAIL,
   RIGHTS.SET_PASSWORD,
+  RIGHTS.QUERY_TRANSACTION_LINK,
 ]
diff --git a/backend/src/auth/RIGHTS.ts b/backend/src/auth/RIGHTS.ts
index a18f0132a..df4d4a2c1 100644
--- a/backend/src/auth/RIGHTS.ts
+++ b/backend/src/auth/RIGHTS.ts
@@ -19,6 +19,8 @@ export enum RIGHTS {
   UPDATE_USER_INFOS = 'UPDATE_USER_INFOS',
   HAS_ELOPAGE = 'HAS_ELOPAGE',
   CREATE_TRANSACTION_LINK = 'CREATE_TRANSACTION_LINK',
+  QUERY_TRANSACTION_LINK = 'QUERY_TRANSACTION_LINK',
+
   // Admin
   SEARCH_USERS = 'SEARCH_USERS',
   CREATE_PENDING_CREATION = 'CREATE_PENDING_CREATION',
diff --git a/backend/src/graphql/arg/QueryTransactionLinkArgs.ts b/backend/src/graphql/arg/QueryTransactionLinkArgs.ts
new file mode 100644
index 000000000..2dcd29572
--- /dev/null
+++ b/backend/src/graphql/arg/QueryTransactionLinkArgs.ts
@@ -0,0 +1,10 @@
+import { ArgsType, Field, Int } from 'type-graphql'
+
+@ArgsType()
+export default class QueryTransactionLinkArgs {
+  @Field(() => String)
+  code: string
+
+  @Field(() => Int, { nullable: true })
+  redeemUserId?: number
+}
diff --git a/backend/src/graphql/resolver/TransactionLinkResolver.ts b/backend/src/graphql/resolver/TransactionLinkResolver.ts
index 8be9bfae0..b6edc271d 100644
--- a/backend/src/graphql/resolver/TransactionLinkResolver.ts
+++ b/backend/src/graphql/resolver/TransactionLinkResolver.ts
@@ -1,11 +1,12 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable @typescript-eslint/explicit-module-boundary-types */
 
-import { Resolver, Args, Authorized, Ctx, Mutation } from 'type-graphql'
+import { Resolver, Args, Authorized, Ctx, Mutation, Query } from 'type-graphql'
 import { getCustomRepository } from '@dbTools/typeorm'
 import { TransactionLink } from '@model/TransactionLink'
 import { TransactionLink as dbTransactionLink } from '@entity/TransactionLink'
 import TransactionLinkArgs from '@arg/TransactionLinkArgs'
+import QueryTransactionLinkArgs from '@arg/QueryTransactionLinkArgs'
 import { UserRepository } from '@repository/User'
 import { calculateBalance } from '@/util/validate'
 import { RIGHTS } from '@/auth/RIGHTS'
@@ -66,4 +67,33 @@ export class TransactionLinkResolver {
 
     return new TransactionLink(transactionLink, new User(user))
   }
+
+  @Authorized([RIGHTS.QUERY_TRANSACTION_LINK])
+  @Query(() => TransactionLink)
+  async queryTransactionLink(
+    @Args() { code, redeemUserId }: QueryTransactionLinkArgs,
+  ): Promise<TransactionLink> {
+    const transactionLink = await dbTransactionLink.findOneOrFail({ code })
+    const userRepository = getCustomRepository(UserRepository)
+    const user = await userRepository.findOneOrFail({ id: transactionLink.userId })
+    let userRedeem = null
+    if (redeemUserId && !transactionLink.redeemedBy) {
+      const redeemedByUser = await userRepository.findOne({ id: redeemUserId })
+      if (!redeemedByUser) {
+        throw new Error('Unable to find user that redeem the link')
+      }
+      userRedeem = new User(redeemedByUser)
+      transactionLink.redeemedBy = userRedeem.id
+      await dbTransactionLink.save(transactionLink).catch(() => {
+        throw new Error('Unable to save transaction link')
+      })
+    } else if (transactionLink.redeemedBy) {
+      const redeemedByUser = await userRepository.findOne({ id: redeemUserId })
+      if (!redeemedByUser) {
+        throw new Error('Unable to find user that has redeemed the link')
+      }
+      userRedeem = new User(redeemedByUser)
+    }
+    return new TransactionLink(transactionLink, new User(user), userRedeem)
+  }
 }