diff --git a/app/db/reset.ts b/app/db/reset.ts
index e85460a0c..3646a03fa 100644
--- a/app/db/reset.ts
+++ b/app/db/reset.ts
@@ -1,6 +1,7 @@
 import { resetFactories } from "~/db/seed/core/defineFactory";
 import { deleteAllRows } from "~/db/wipe";
 import { markDatabaseClean } from "~/db/write-tracker";
+import { clearAllTournamentDataCache } from "~/features/tournament-bracket/core/Tournament.server";
 
 /**
  * Deletes all rows except migration bookkeeping. `app/test-setup.ts` runs it after every writing
@@ -10,6 +11,7 @@ export const dbReset = async () => {
 	await deleteAllRows();
 
 	resetFactories();
+	clearAllTournamentDataCache();
 	// last, because the deletes above are themselves writes
 	markDatabaseClean();
 };
diff --git a/app/features/api-public/api-auth-middleware.server.ts b/app/features/api-public/api-auth-middleware.server.ts
index 76b1ed9a9..1b70535a2 100644
--- a/app/features/api-public/api-auth-middleware.server.ts
+++ b/app/features/api-public/api-auth-middleware.server.ts
@@ -52,13 +52,10 @@ export const apiAuthMiddleware: MiddlewareFn = async ({ request }, next) => {
 		return Response.json({ error: "Write token required" }, { status: 403 });
 	}
 
-	if (request.method === "POST") {
-		const user = await UserRepository.findLeanById(tokenInfo.userId);
-		if (!user) {
-			return Response.json({ error: "User not found" }, { status: 401 });
-		}
-		return userAsyncLocalStorage.run({ user }, () => next());
+	const user = await UserRepository.findLeanById(tokenInfo.userId);
+	if (!user) {
+		return Response.json({ error: "User not found" }, { status: 401 });
 	}
 
-	return next();
+	return userAsyncLocalStorage.run({ user }, () => next());
 };
diff --git a/app/features/api-public/routes/tournament.$id.teams.test.ts b/app/features/api-public/routes/tournament.$id.teams.test.ts
index 93a2b403a..ed91d0b8f 100644
--- a/app/features/api-public/routes/tournament.$id.teams.test.ts
+++ b/app/features/api-public/routes/tournament.$id.teams.test.ts
@@ -2,19 +2,25 @@ import { beforeEach, describe, expect, test } from "vitest";
 import * as TournamentFactory from "~/db/seed/factories/TournamentFactory";
 import * as TournamentTeamFactory from "~/db/seed/factories/TournamentTeamFactory";
 import * as UserFactory from "~/db/seed/factories/UserFactory";
+import { MapPool } from "~/features/map-list-generator/core/map-pool";
 import * as TournamentTeamRepository from "~/features/tournament/TournamentTeamRepository.server";
-import { withUserId, wrappedLoader } from "~/utils/Test";
+import { type TestUser, withUserId, wrappedLoader } from "~/utils/Test";
 import type { GetTournamentTeamsResponse } from "../schema";
 import { loader } from "./tournament.$id.teams";
 
 const TEAM_NAME = "Team Olive";
 
 const users = UserFactory.pool();
+const organizerId = () => users.id(1);
+const captainId = () => users.id(2);
+const outsiderId = () => users.id(3);
 
 const teamsLoader = wrappedLoader<Response>({ loader });
 
-const fetchTeams = async (tournamentId: number) => {
+/** Fetches as the owner of the API token, or anonymously when no user is given. */
+const fetchTeams = async (tournamentId: number, user?: TestUser) => {
 	const response = await teamsLoader({
+		user,
 		params: { id: String(tournamentId) },
 	});
 
@@ -75,6 +81,25 @@ const tournamentWithWalkovers = async () => {
 	return { tournament };
 };
 
+/** A team of the captain with a pickup logo and a map pool, both hidden before the start. */
+const teamWithHiddenInfo = async (tournamentArgs?: { isDraft?: boolean }) => {
+	const tournament = await TournamentFactory.create({
+		authorId: organizerId(),
+		...tournamentArgs,
+	});
+	await TournamentTeamFactory.create(
+		{
+			tournamentId: tournament.id,
+			memberUserIds: [captainId()],
+			hasAvatar: true,
+			mapPool: new MapPool({ TW: [], SZ: [1, 2], TC: [3, 4], RM: [], CB: [] }),
+		},
+		{ isCheckedIn: true },
+	);
+
+	return { tournament };
+};
+
 /** Four one-player teams through a single elimination bracket, the higher seed winning every map. */
 const playedTournament = () =>
 	TournamentFactory.createPlayed(
@@ -87,6 +112,54 @@ describe("GET /api/tournament/:id/teams", () => {
 		await users.create(4);
 	});
 
+	test("responds 404 for a draft tournament to anyone but its organizers", async () => {
+		const { tournament } = await teamWithHiddenInfo({ isDraft: true });
+
+		await expect(fetchTeams(tournament.id, outsiderId())).rejects.toThrow(
+			"404",
+		);
+		expect(await fetchTeams(tournament.id, organizerId())).toHaveLength(1);
+	});
+
+	test("shows friend codes only to the organizers", async () => {
+		const { tournament } = await teamWithHiddenInfo();
+
+		const asOrganizer = await fetchTeams(tournament.id, organizerId());
+		const asOutsider = await fetchTeams(tournament.id, outsiderId());
+
+		expect(asOrganizer[0].members[0].friendCode).toEqual(expect.any(String));
+		expect(asOutsider[0].members[0].friendCode).toBeNull();
+	});
+
+	test("hides map pools and pickup logos before the start from everyone but organizers and the team itself", async () => {
+		const { tournament } = await teamWithHiddenInfo();
+
+		const asOrganizer = await fetchTeams(tournament.id, organizerId());
+		const asCaptain = await fetchTeams(tournament.id, captainId());
+		const asOutsider = await fetchTeams(tournament.id, outsiderId());
+
+		expect(asOrganizer[0].mapPool).toHaveLength(4);
+		expect(asOrganizer[0].logoUrl).toEqual(expect.any(String));
+		expect(asCaptain[0].mapPool).toHaveLength(4);
+		expect(asCaptain[0].logoUrl).toEqual(expect.any(String));
+		expect(asOutsider[0].mapPool).toBeNull();
+		expect(asOutsider[0].logoUrl).toBeNull();
+	});
+
+	test("reveals map pools and pickup logos to everyone once the tournament has started", async () => {
+		const { tournament } = await teamWithHiddenInfo();
+		await TournamentTeamFactory.create(
+			{ tournamentId: tournament.id, memberUserIds: [users.id(4)] },
+			{ isCheckedIn: true },
+		);
+		await TournamentFactory.startBracket(tournament.id);
+
+		const asOutsider = await fetchTeams(tournament.id, outsiderId());
+
+		expect(asOutsider[0].mapPool).toHaveLength(4);
+		expect(asOutsider[0].logoUrl).toEqual(expect.any(String));
+	});
+
 	test("returns the tournament name organizers gave a player instead of their username", async () => {
 		const { organizer, player, tournament, team } = await registeredPlayer();
 
diff --git a/app/features/api-public/routes/tournament.$id.teams.ts b/app/features/api-public/routes/tournament.$id.teams.ts
index 629f1c1dc..ff1081310 100644
--- a/app/features/api-public/routes/tournament.$id.teams.ts
+++ b/app/features/api-public/routes/tournament.$id.teams.ts
@@ -3,6 +3,7 @@ import type { LoaderFunctionArgs } from "react-router";
 import * as v from "valibot";
 import { db } from "~/db/sql";
 import type { TournamentSettings } from "~/db/tables-json";
+import { getUser } from "~/features/auth/core/user.server";
 import { ordinalToSp } from "~/features/mmr/mmr-utils";
 import * as Standings from "~/features/tournament/core/Standings";
 import * as TournamentRepository from "~/features/tournament/TournamentRepository.server";
@@ -11,7 +12,13 @@ import {
 	sortTeamsBySeeding,
 } from "~/features/tournament/tournament-utils";
 import * as Progression from "~/features/tournament-bracket/core/Progression";
-import { tournamentFromDB } from "~/features/tournament-bracket/core/Tournament.server";
+import {
+	canSeeTournamentFriendCodes,
+	isTournamentTeamInfoRevealed,
+	requireTournamentVisible,
+	tournamentDataCached,
+	tournamentFromDB,
+} from "~/features/tournament-bracket/core/Tournament.server";
 import { getFixedTForLanguage } from "~/modules/i18n/i18next.server";
 import { nullifyingAvg } from "~/utils/arrays";
 import { databaseTimestampToDate } from "~/utils/dates";
@@ -38,23 +45,16 @@ const ZERO_STATS: Standings.TeamRecord = {
 
 export const loader = async ({ params }: LoaderFunctionArgs) => {
 	const t = await getFixedTForLanguage("en", ["game-misc"]);
+	const user = getUser();
 	const { id: tournamentId } = parseParams({
 		params,
 		schema: paramsSchema,
 	});
 
-	const tournament = await db
-		.selectFrom("Tournament")
-		.select(({ exists, selectFrom }) => [
-			"Tournament.settings",
-			exists(
-				selectFrom("TournamentStage")
-					.select("TournamentStage.id")
-					.where("TournamentStage.tournamentId", "=", tournamentId),
-			).as("hasStarted"),
-		])
-		.where("Tournament.id", "=", tournamentId)
-		.executeTakeFirst();
+	const tournament = await tournamentDataCached(tournamentId);
+	requireTournamentVisible({ ctx: tournament.ctx, user });
+	const hasStarted = tournament.data.stage.length > 0;
+	const revealInfo = isTournamentTeamInfoRevealed({ tournament, user });
 
 	const teams = await db
 		.selectFrom("TournamentTeam")
@@ -142,15 +142,18 @@ export const loader = async ({ params }: LoaderFunctionArgs) => {
 		.orderBy("TournamentTeam.createdAt", "asc")
 		.execute();
 
-	const friendCodes =
-		await TournamentRepository.findFriendCodesByTournamentId(tournamentId);
+	const friendCodes = canSeeTournamentFriendCodes({
+		ctx: tournament.ctx,
+		user,
+	})
+		? await TournamentRepository.findFriendCodesByTournamentId(tournamentId)
+		: null;
 
-	const seedByTeamId =
-		tournament?.hasStarted && tournament.settings
-			? seedsOfStartedTournament({ teams, settings: tournament.settings })
-			: null;
+	const seedByTeamId = hasStarted
+		? seedsOfStartedTournament({ teams, settings: tournament.ctx.settings })
+		: null;
 
-	const fullTournament = tournament?.hasStarted
+	const fullTournament = hasStarted
 		? await tournamentFromDB(tournamentId)
 		: null;
 	const placementByTeamId = fullTournament
@@ -165,6 +168,10 @@ export const loader = async ({ params }: LoaderFunctionArgs) => {
 		: null;
 
 	const result: GetTournamentTeamsResponse = teams.map((team) => {
+		const isOwnTeam = team.members.some((member) => member.userId === user?.id);
+		const showTeamInfo = revealInfo || isOwnTeam;
+		const pickupAvatarUrl = showTeamInfo ? team.avatarUrl : null;
+
 		return {
 			id: team.id,
 			name: team.name,
@@ -198,13 +205,13 @@ export const loader = async ({ params }: LoaderFunctionArgs) => {
 					captain: member.role === "OWNER",
 					inGameName: member.inGameName,
 					pronouns: member.pronouns,
-					friendCode: friendCodes[member.userId],
+					friendCode: friendCodes?.[member.userId] ?? null,
 					joinedAt: databaseTimestampToDate(member.createdAt).toISOString(),
 				};
 			}),
-			logoUrl: team.team?.logoUrl ?? team.avatarUrl,
+			logoUrl: team.team?.logoUrl ?? pickupAvatarUrl,
 			mapPool:
-				team.mapPool.length > 0
+				showTeamInfo && team.mapPool.length > 0
 					? team.mapPool.map((map) => {
 							return {
 								mode: map.mode,
diff --git a/app/features/api-public/schema.ts b/app/features/api-public/schema.ts
index 9611ee7ad..47d6466ed 100644
--- a/app/features/api-public/schema.ts
+++ b/app/features/api-public/schema.ts
@@ -146,7 +146,7 @@ export type GetTournamentTeamsResponse = Array<{
 	url: string;
 	/** URL for the global team page. @example "https://sendou.ink/t/moonlight" */
 	teamPageUrl: string | null;
-	/** @example "https://sendou.nyc3.cdn.digitaloceanspaces.com/pickup-logo-uReSb1b1XS3TWGLCKMDUD-1719054364813.webp" */
+	/** Pickup team logos are only shown before the tournament starts to organizers and the team's own members. @example "https://sendou.nyc3.cdn.digitaloceanspaces.com/pickup-logo-uReSb1b1XS3TWGLCKMDUD-1719054364813.webp" */
 	logoUrl: string | null;
 	seed: number | null;
 	/** Overall placement in the tournament. Null while the team is still playing. @example 5 */
@@ -158,6 +158,7 @@ export type GetTournamentTeamsResponse = Array<{
 		mapWins: number;
 		mapLosses: number;
 	} | null;
+	/** Only shown before the tournament starts to organizers and the team's own members. */
 	mapPool: Array<StageWithMode> | null;
 	/** Non-resetting MMR used for autoseeding: average of the members' seeding power. Ranked and unranked tournaments feed separate values. */
 	seedingPower: {
@@ -179,8 +180,8 @@ export type GetTournamentTeamsResponse = Array<{
 		inGameName: string | null;
 		/** User's pronouns. @example { "subject": "he", "object": "him" } */
 		pronouns: Pronouns | null;
-		/** Switch friend code used for identification purposes. @example "1234-5678-9101" */
-		friendCode: string;
+		/** Switch friend code used for identification purposes. Only shown to the tournament's organizers and only for 30 days after the start (120 days for leagues). @example "1234-5678-9101" */
+		friendCode: string | null;
 		/** @example "2024-01-12T20:00:00.000Z" */
 		joinedAt: string;
 	}>;
diff --git a/app/features/tournament-bracket/core/Tournament.server.ts b/app/features/tournament-bracket/core/Tournament.server.ts
index 8703e7e16..3b50431af 100644
--- a/app/features/tournament-bracket/core/Tournament.server.ts
+++ b/app/features/tournament-bracket/core/Tournament.server.ts
@@ -1,4 +1,4 @@
-import { sub } from "date-fns";
+import { isAfter, sub, subDays } from "date-fns";
 import { type Params, redirect } from "react-router";
 import { ServerConfig } from "~/config.server";
 import {
@@ -154,6 +154,42 @@ export function requireTournamentVisible({
 	throw new Response(null, { status: 404 });
 }
 
+type TournamentFriendCodeCtx = Pick<
+	TournamentData["ctx"],
+	"permissions" | "settings" | "startsAt"
+>;
+
+/** Organizers see the participants' friend codes only for a while after the start. Leagues run for many weeks, so theirs stay visible for longer. */
+export function canSeeTournamentFriendCodes({
+	ctx,
+	user,
+}: {
+	ctx: TournamentFriendCodeCtx;
+	user: OptionalIdObject;
+}) {
+	const friendCodeVisibilityDays = ctx.settings.isLeague ? 120 : 30;
+	const tournamentStartedRecently = isAfter(
+		databaseTimestampToDate(ctx.startsAt),
+		subDays(new Date(), friendCodeVisibilityDays),
+	);
+
+	return tournamentStartedRecently && hasPermission(ctx, "ORGANIZE", user);
+}
+
+/** Pickup avatars and map pools of teams are only revealed to organizers (and the team itself) before the start. */
+export function isTournamentTeamInfoRevealed({
+	tournament,
+	user,
+}: {
+	tournament: Pick<TournamentData, "ctx" | "data">;
+	user: OptionalIdObject;
+}) {
+	return (
+		tournament.data.stage.length > 0 ||
+		hasPermission(tournament.ctx, "ORGANIZE", user)
+	);
+}
+
 /** Guards a single `_action` branch; whole-route guards use {@link tournamentFromParams} with `for: "organizer"`. */
 export function requireTournamentOrganizer(
 	tournament: Tournament,
@@ -367,9 +403,7 @@ export async function tournamentTeamsFullCached({
 }) {
 	const ctx = notFoundIfNullish(await tournamentDataCached(tournamentId));
 
-	// pickup avatars and map pools are only revealed to organizers before the start
-	const revealInfo =
-		ctx.data.stage.length > 0 || hasPermission(ctx.ctx, "ORGANIZE", user);
+	const revealInfo = isTournamentTeamInfoRevealed({ tournament: ctx, user });
 
 	if (ServerConfig.disableCache) {
 		return censoredTeams({
diff --git a/app/features/tournament/loaders/to.$id.server.ts b/app/features/tournament/loaders/to.$id.server.ts
index 004a37023..2c2c2cd1d 100644
--- a/app/features/tournament/loaders/to.$id.server.ts
+++ b/app/features/tournament/loaders/to.$id.server.ts
@@ -5,6 +5,7 @@ import * as TournamentRepository from "~/features/tournament/TournamentRepositor
 import { TOURNAMENT } from "~/features/tournament/tournament-constants";
 import {
 	bracketsMetaCached,
+	canSeeTournamentFriendCodes,
 	requireTournamentVisible,
 	type TournamentLayoutData,
 	tournamentDataCached,
@@ -41,15 +42,10 @@ export const loader = async ({ params }: LoaderFunctionArgs) => {
 	const tournament = await tournamentDataCached(tournamentId);
 	requireTournamentVisible({ ctx: tournament.ctx, user });
 
-	// leagues run for many weeks, so their friend codes stay visible for longer
-	const friendCodeVisibilityDays = tournament.ctx.settings.isLeague ? 120 : 30;
-	const tournamentStartedRecently = isAfter(
-		databaseTimestampToDate(tournament.ctx.startsAt),
-		subDays(new Date(), friendCodeVisibilityDays),
-	);
-	const showFriendCodes =
-		tournamentStartedRecently &&
-		hasPermission(tournament.ctx, "ORGANIZE", user);
+	const showFriendCodes = canSeeTournamentFriendCodes({
+		ctx: tournament.ctx,
+		user,
+	});
 
 	const showVods =
 		tournament.ctx.isFinalized &&
diff --git a/e2e/api-public.spec.ts b/e2e/api-public.spec.ts
index bcf51035d..df55c54f9 100644
--- a/e2e/api-public.spec.ts
+++ b/e2e/api-public.spec.ts
@@ -1,8 +1,11 @@
 import type { Page } from "@playwright/test";
 import { addHours, subHours } from "date-fns";
 import { ADMIN_ID } from "~/features/admin/admin-constants";
+import type { GetTournamentTeamsResponse } from "~/features/api-public/schema";
+import { MapPool } from "~/features/map-list-generator/core/map-pool";
 import { FULL_GROUP_SIZE } from "~/features/sendouq/q-constants";
 import { dateToDatabaseTimestamp } from "~/utils/dates";
+import { invariant } from "~/utils/invariant";
 import type { Factories } from "./helpers/factories";
 import { expect, impersonate, test } from "./helpers/playwright";
 import { ApiPage } from "./pages/api/api-page";
@@ -147,6 +150,31 @@ test.describe("Public API", () => {
 			mapLosses: 2,
 		});
 	});
+
+	test("hides private team fields from a read token that does not organize the tournament", async ({
+		page,
+		factories,
+	}) => {
+		const { tournamentId, token } = await organizedTournament(factories, {
+			withPrivateTeamInfo: true,
+		});
+		const outsider = await factories.UserFactory.create();
+		const outsiderToken = await readToken(factories, outsider.id);
+
+		// signed in as the outsider, so the fields organizers see can only come from the token
+		await impersonate(page, outsider.id);
+
+		const asOrganizer = await fetchTeams(page, token, tournamentId);
+		const asOutsider = await fetchTeams(page, outsiderToken, tournamentId);
+
+		expect(asOrganizer[0].mapPool).toHaveLength(2);
+		expect(asOrganizer[0].logoUrl).toEqual(expect.any(String));
+		expect(asOrganizer[0].members[0].friendCode).toEqual(expect.any(String));
+
+		expect(asOutsider[0].mapPool).toBeNull();
+		expect(asOutsider[0].logoUrl).toBeNull();
+		expect(asOutsider[0].members[0].friendCode).toBeNull();
+	});
 });
 
 test.describe("Public API - Write endpoints", () => {
@@ -353,7 +381,6 @@ test.describe("Public API - Write endpoints", () => {
 			tournamentId,
 			name: "Api Pickup",
 		});
-		expect(createdTeam).toBeTruthy();
 		expect(createdTeam.members).toHaveLength(ROSTER_SIZE);
 
 		const editResponse = await page.request.fetch(
@@ -459,7 +486,10 @@ test.describe("Public API - Write endpoints", () => {
 /** A tournament the admin organizes, with teams registered and a write token to manage it with. */
 async function organizedTournament(
 	factories: Factories,
-	{ teamCount = 1 }: { teamCount?: number } = {},
+	{
+		teamCount = 1,
+		withPrivateTeamInfo = false,
+	}: { teamCount?: number; withPrivateTeamInfo?: boolean } = {},
 ) {
 	await factories.UserFactory.grant(ADMIN_ID, { roles: ["API_ACCESSER"] });
 
@@ -477,6 +507,10 @@ async function organizedTournament(
 			await factories.TournamentTeamFactory.create({
 				tournamentId: tournament.id,
 				memberUserIds: roster.map((user) => user.id),
+				hasAvatar: withPrivateTeamInfo,
+				mapPool: withPrivateTeamInfo
+					? new MapPool({ TW: [], SZ: [1, 2], TC: [], RM: [], CB: [] })
+					: undefined,
 			}),
 		);
 	}
@@ -494,19 +528,26 @@ async function organizedTournament(
 	};
 }
 
-async function teamByName(
-	page: Page,
-	token: string,
-	{ tournamentId, name }: { tournamentId: number; name: string },
-) {
+async function fetchTeams(page: Page, token: string, tournamentId: number) {
 	const response = await page.request.fetch(
 		`/api/tournament/${tournamentId}/teams`,
 		{ headers: authorized(token) },
 	);
 	expect(response.status()).toBe(200);
-	const teams = await response.json();
 
-	return teams.find((team: { name: string }) => team.name === name);
+	return (await response.json()) as GetTournamentTeamsResponse;
+}
+
+async function teamByName(
+	page: Page,
+	token: string,
+	{ tournamentId, name }: { tournamentId: number; name: string },
+) {
+	const teams = await fetchTeams(page, token, tournamentId);
+	const team = teams.find((candidate) => candidate.name === name);
+	invariant(team, `No team named ${name} in tournament ${tournamentId}`);
+
+	return team;
 }
 
 async function readToken(factories: Factories, userId: number) {