diff --git a/src/Controllers/participant.controller.ts b/src/Controllers/participant.controller.ts
index 5c7a338..f5dfaa4 100644
--- a/src/Controllers/participant.controller.ts
+++ b/src/Controllers/participant.controller.ts
@@ -18,13 +18,14 @@ import { requireConfiguredAuthentication, requireResponsibleForGroup } from "../
 // REVIEW: All this code should be able to be executed by the teamleader of the team the participant is in AND
 //         an admin the group of whom overlaps with the team AND an elevated admin
 
-const ParticipantBody = z.object({
+const InitialParticipant = z.object({
   firstName: z.string(),
   lastName: z.string(),
-  groupId: z.string().uuid(),
-  //job: z.enum(["TEAMLEADER", "MEMBER"]),
+  groupPid: z.string().uuid(),
 });
 
+const ParticipantBody = InitialParticipant.extend({ teamPid: z.string().uuid() });
+
 const returnedParticipant = {
   pid: true,
   firstName: true,
@@ -45,7 +46,7 @@ const returnedParticipant = {
 } as const;
 
 // at: POST api/teams/:teamPid/participant/
-export const createParticipant = async (req: Request<{ teamPid: string }>, res: Response) => {
+export const createParticipant = async (req: Request, res: Response) => {
   const result = ParticipantBody.safeParse(req.body);
 
   if (result.success === false) {
@@ -54,14 +55,14 @@ export const createParticipant = async (req: Request<{ teamPid: string }>, res:
         {
           firstname: DataType.STRING,
           lastName: DataType.STRING,
-          groupId: DataType.UUID,
+          groupPid: DataType.UUID,
+          teamPid: DataType.UUID,
         },
         result.error
       )
     );
   }
   const body = result.data;
-  const { teamPid } = req.params;
 
   try {
     const participant = await prisma.participant.create({
@@ -69,8 +70,8 @@ export const createParticipant = async (req: Request<{ teamPid: string }>, res:
         firstName: body.firstName,
         lastName: body.lastName,
         relevance: "MEMBER",
-        group: { connect: { pid: body.groupId } },
-        team: { connect: { pid: teamPid } },
+        group: { connect: { pid: body.groupPid } },
+        team: { connect: { pid: body.teamPid } },
       },
       select: returnedParticipant,
     });
@@ -83,7 +84,7 @@ export const createParticipant = async (req: Request<{ teamPid: string }>, res:
     if (e instanceof PrismaClientKnownRequestError && e.code === "P2025") {
       return res
         .status(404)
-        .json(generateError(`Could not link to team with ID '${teamPid}, or group with ID ${body.groupId}'`));
+        .json(generateError(`Could not link to team with ID '${body.teamPid}, or group with ID ${body.groupPid}'`));
     }
     throw e;
   }
@@ -91,7 +92,7 @@ export const createParticipant = async (req: Request<{ teamPid: string }>, res:
 
 // at: PATCH api/participants/:pid/
 export const updateParticipant = async (req: Request<{ pid: string }>, res: Response) => {
-  const result = ParticipantBody.partial().safeParse(req.body);
+  const result = InitialParticipant.partial().safeParse(req.body);
 
   if (result.success === false) {
     return res.status(400).json(
@@ -99,7 +100,7 @@ export const updateParticipant = async (req: Request<{ pid: string }>, res: Resp
         {
           firstname: DataType.STRING,
           lastName: DataType.STRING,
-          groupId: DataType.UUID,
+          groupPid: DataType.UUID,
         },
         result.error
       )
@@ -115,7 +116,7 @@ export const updateParticipant = async (req: Request<{ pid: string }>, res: Resp
       data: {
         firstName: body.firstName,
         lastName: body.lastName,
-        group: { connect: { pid: body.groupId } },
+        group: { connect: { pid: body.groupPid } },
       },
       select: returnedParticipant,
     });
diff --git a/src/Routes/participant.routes.ts b/src/Routes/participant.routes.ts
index fc30af0..7ba300f 100644
--- a/src/Routes/participant.routes.ts
+++ b/src/Routes/participant.routes.ts
@@ -1,28 +1,24 @@
 import express from "express";
-import teamRouter from "./team.routes";
 import { createParticipant, deleteParticipant, updateParticipant } from "../Controllers/participant.controller";
 import { requireAuthentication, requireConfiguredAuthentication } from "../Middleware/auth/auth";
 
 const router = express.Router();
 
-teamRouter.post<"/:teamPid/participants/", { teamPid: string }>(
-  "/:teamPid/participants/",
-  requireAuthentication,
-  requireConfiguredAuthentication({ optional: true, type: { admin: true, teamleader: true } }),
+router.post(
+  "/",
+  requireConfiguredAuthentication({ optional: false, type: { admin: true, teamleader: true } }),
   createParticipant
 );
 
 router.patch<"/:pid/", { pid: string }>(
   "/:pid/",
-  requireAuthentication,
-  requireConfiguredAuthentication({ optional: true, type: { admin: true, teamleader: true } }),
+  requireConfiguredAuthentication({ optional: false, type: { admin: true, teamleader: true } }),
   updateParticipant
 );
 
 router.delete<"/:pid/", { pid: string }>(
   "/:pid/",
-  requireAuthentication,
-  requireConfiguredAuthentication({ optional: true, type: { admin: true, teamleader: true } }),
+  requireConfiguredAuthentication({ optional: false, type: { admin: true, teamleader: true } }),
   deleteParticipant
 );
 
diff --git a/src/Routes/role.routes.ts b/src/Routes/role.routes.ts
index c2bc58f..0ad57ce 100644
--- a/src/Routes/role.routes.ts
+++ b/src/Routes/role.routes.ts
@@ -7,15 +7,13 @@ const router = Express.Router();
 //TO DO: maybe transfer getRolesForTeam to team router -> Seconded
 router.get<"team/:teamPid/", { teamPid: string }>(
   "team/:teamPid/",
-  requireAuthentication,
-  requireConfiguredAuthentication({ optional: true, type: { admin: true, teamleader: true } }),
+  requireConfiguredAuthentication({ optional: false, type: { admin: true, teamleader: true } }),
   getRolesForTeam
 );
 
 router.put<"/:pid/participant", { pid: string }>(
   "/:pid/participant",
-  requireAuthentication,
-  requireConfiguredAuthentication({ optional: true, type: { admin: true, teamleader: true } }),
+  requireConfiguredAuthentication({ optional: false, type: { admin: true, teamleader: true } }),
   assignParticipantToRole
 );
 
diff --git a/src/Routes/team.routes.ts b/src/Routes/team.routes.ts
index ff1ebac..a8ffebe 100644
--- a/src/Routes/team.routes.ts
+++ b/src/Routes/team.routes.ts
@@ -8,16 +8,14 @@ const router = express.Router();
 router.get("/", requireConfiguredAuthentication({ type: "admin", optional: false }), getTeams);
 router.get(
   "/:id",
-  requireAuthentication,
-  requireConfiguredAuthentication({ optional: true, type: { admin: true, teamleader: true } }),
+  requireConfiguredAuthentication({ optional: false, type: { admin: true, teamleader: true } }),
   getTeam
 );
 
 router.put("/", requireTeamleaderAuthentication, updateTeam);
 router.delete<"/:pid/", { pid: string }>(
   "/:pid/",
-  requireAuthentication,
-  requireConfiguredAuthentication({ optional: true, type: { admin: true, teamleader: true } }),
+  requireConfiguredAuthentication({ optional: false, type: { admin: true, teamleader: true } }),
   deleteTeam
 );