diff --git a/test/api/v3/integration/challenges/DELETE-challenges_challengeId.test.js b/test/api/v3/integration/challenges/DELETE-challenges_challengeId.test.js
new file mode 100644
index 0000000000..e8bd7a66d9
--- /dev/null
+++ b/test/api/v3/integration/challenges/DELETE-challenges_challengeId.test.js
@@ -0,0 +1,95 @@
+import {
+  generateUser,
+  generateChallenge,
+  createAndPopulateGroup,
+  sleep,
+  checkExistence,
+  translate as t,
+} from '../../../../helpers/api-v3-integration.helper';
+import { v4 as generateUUID } from 'uuid';
+
+describe('DELETE /challenges/:challengeId', () => {
+  it('returns error when challengeId is not a valid UUID', async () => {
+    let user = await generateUser();
+
+    await expect(user.del(`/challenges/test`)).to.eventually.be.rejected.and.eql({
+      code: 400,
+      error: 'BadRequest',
+      message: t('invalidReqParams'),
+    });
+  });
+
+  it('returns error when challengeId is not for a valid challenge', async () => {
+    let user = await generateUser();
+
+    await expect(user.del(`/challenges/${generateUUID()}`)).to.eventually.be.rejected.and.eql({
+      code: 404,
+      error: 'NotFound',
+      message: t('challengeNotFound'),
+    });
+  });
+
+  context('Deleting a valid challenge', () => {
+    let groupLeader;
+    let group;
+    let challenge;
+    let taskText = 'A challenge task text';
+
+    beforeEach(async () => {
+      let populatedGroup = await createAndPopulateGroup();
+
+      groupLeader = populatedGroup.groupLeader;
+      group = populatedGroup.group;
+
+      challenge = await generateChallenge(groupLeader, group);
+
+      await groupLeader.post(`/tasks/challenge/${challenge._id}`, [
+        {type: 'habit', text: taskText},
+      ]);
+
+      await challenge.sync();
+    });
+
+    it('returns an error when user doesn\'t have permissions to delete the challenge', async () => {
+      let user = await generateUser();
+
+      await expect(user.del(`/challenges/${challenge._id}`)).to.eventually.be.rejected.and.eql({
+        code: 401,
+        error: 'NotAuthorized',
+        message: t('onlyLeaderDeleteChal'),
+      });
+    });
+
+    it('deletes challenge', async () => {
+      await groupLeader.del(`/challenges/${challenge._id}`);
+
+      await sleep(0.5);
+
+      await expect(checkExistence('challenges', challenge._id)).to.eventually.equal(false);
+    });
+
+    it('refunds gems to group leader', async () => {
+      let oldBalance = (await groupLeader.sync()).balance;
+
+      await groupLeader.del(`/challenges/${challenge._id}`);
+
+      await sleep(0.5);
+
+      await expect(groupLeader.sync()).to.eventually.have.property('balance', oldBalance + challenge.prize / 4);
+    });
+
+    it('sets broken and doesn\'t set winner flags for user\'s challenge tasks', async () => {
+      await groupLeader.del(`/challenges/${challenge._id}`);
+
+      await sleep(0.5);
+
+      let tasks = await groupLeader.get('/tasks/user');
+      let testTask = _.find(tasks, (task) => {
+        return task.text === taskText;
+      });
+
+      expect(testTask.challenge.broken).to.eql('CHALLENGE_DELETED');
+      expect(testTask.challenge.winner).to.be.null;
+    });
+  });
+});
diff --git a/website/src/controllers/api-v3/challenges.js b/website/src/controllers/api-v3/challenges.js
index 17bc304d9e..9ac5c4bd51 100644
--- a/website/src/controllers/api-v3/challenges.js
+++ b/website/src/controllers/api-v3/challenges.js
@@ -422,7 +422,7 @@ api.deleteChallenge = {
   async handler (req, res) {
     let user = res.locals.user;
 
-    req.checkParams('challenge', res.t('challengeIdRequired')).notEmpty().isUUID();
+    req.checkParams('challengeId', res.t('challengeIdRequired')).notEmpty().isUUID();
 
     let validationErrors = req.validationErrors();
     if (validationErrors) throw validationErrors;