diff --git a/apps/frontend/src/pages/hosting/manage/[id]/options/loader.vue b/apps/frontend/src/pages/hosting/manage/[id]/options/loader.vue
index 247ddffd4..e0ddf660b 100644
--- a/apps/frontend/src/pages/hosting/manage/[id]/options/loader.vue
+++ b/apps/frontend/src/pages/hosting/manage/[id]/options/loader.vue
@@ -256,6 +256,26 @@ const purpurBuildsQuery = useQuery({
 	staleTime: 5 * 60 * 1000,
 })
 
+const paperSupportedVersionsQuery = useQuery({
+	queryKey: ['paper-supported-versions'] as const,
+	queryFn: async () => {
+		const project = await client.paper.versions_v3.getProject()
+		return new Set(Object.values(project.versions).flat())
+	},
+	enabled: computed(() => editingPlatform.value === 'paper'),
+	staleTime: 5 * 60 * 1000,
+})
+
+const purpurSupportedVersionsQuery = useQuery({
+	queryKey: ['purpur-supported-versions'] as const,
+	queryFn: async () => {
+		const project = await client.purpur.versions_v2.getProject()
+		return new Set(project.versions)
+	},
+	enabled: computed(() => editingPlatform.value === 'purpur'),
+	staleTime: 5 * 60 * 1000,
+})
+
 type LoaderVersionEntry = LauncherMeta.Manifest.v0.LoaderVersion
 
 function getLoaderVersionsForGameVersion(
@@ -363,18 +383,34 @@ provideInstallationSettings({
 			? tags.gameVersions.value
 			: tags.gameVersions.value.filter((v) => v.version_type === 'release')
 
-		if (loader && loader !== 'vanilla' && !['paper', 'purpur'].includes(loader)) {
-			const manifest = manifestQuery.data.value?.gameVersions
-			if (manifest) {
-				const hasPlaceholder = manifest.some((x) => x.id === '${modrinth.gameVersion}')
-				if (!hasPlaceholder) {
-					const supportedVersions = new Set(
-						manifest.filter((x) => x.loaders.length > 0).map((x) => x.id),
-					)
+		if (loader && loader !== 'vanilla') {
+			if (loader === 'paper') {
+				const supported = paperSupportedVersionsQuery.data.value
+				if (supported) {
 					return versions
-						.filter((v) => supportedVersions.has(v.version))
+						.filter((v) => supported.has(v.version))
 						.map((v) => ({ value: v.version, label: v.version }))
 				}
+			} else if (loader === 'purpur') {
+				const supported = purpurSupportedVersionsQuery.data.value
+				if (supported) {
+					return versions
+						.filter((v) => supported.has(v.version))
+						.map((v) => ({ value: v.version, label: v.version }))
+				}
+			} else {
+				const manifest = manifestQuery.data.value?.gameVersions
+				if (manifest) {
+					const hasPlaceholder = manifest.some((x) => x.id === '${modrinth.gameVersion}')
+					if (!hasPlaceholder) {
+						const supportedVersions = new Set(
+							manifest.filter((x) => x.loaders.length > 0).map((x) => x.id),
+						)
+						return versions
+							.filter((v) => supportedVersions.has(v.version))
+							.map((v) => ({ value: v.version, label: v.version }))
+					}
+				}
 			}
 		}
 
@@ -387,9 +423,23 @@ provideInstallationSettings({
 	},
 
 	resolveHasSnapshots(loader) {
-		if (loader === 'vanilla' || ['paper', 'purpur'].includes(loader)) {
+		if (loader === 'vanilla') {
 			return tags.gameVersions.value.some((v) => v.version_type !== 'release')
 		}
+		if (loader === 'paper') {
+			const supported = paperSupportedVersionsQuery.data.value
+			if (!supported) return false
+			return tags.gameVersions.value.some(
+				(v) => v.version_type !== 'release' && supported.has(v.version),
+			)
+		}
+		if (loader === 'purpur') {
+			const supported = purpurSupportedVersionsQuery.data.value
+			if (!supported) return false
+			return tags.gameVersions.value.some(
+				(v) => v.version_type !== 'release' && supported.has(v.version),
+			)
+		}
 		const manifest = manifestQuery.data.value?.gameVersions
 		if (!manifest) return false
 		const hasPlaceholder = manifest.some((x) => x.id === '${modrinth.gameVersion}')
diff --git a/packages/api-client/src/modules/index.ts b/packages/api-client/src/modules/index.ts
index e0b61dcdb..3312b7388 100644
--- a/packages/api-client/src/modules/index.ts
+++ b/packages/api-client/src/modules/index.ts
@@ -14,18 +14,18 @@ import { LabrinthAffiliateInternalModule } from './labrinth/affiliate/internal'
 import { LabrinthAuthInternalModule } from './labrinth/auth/internal'
 import { LabrinthAuthV2Module } from './labrinth/auth/v2'
 import { LabrinthBillingInternalModule } from './labrinth/billing/internal'
+import { LabrinthCollectionsModule } from './labrinth/collections'
 import { LabrinthGlobalsInternalModule } from './labrinth/globals/internal'
+import { LabrinthLimitsV3Module } from './labrinth/limits/v3'
 import { LabrinthNotificationsV2Module } from './labrinth/notifications/v2'
 import { LabrinthOAuthInternalModule } from './labrinth/oauth/internal'
-import { LabrinthCollectionsModule } from './labrinth/collections'
 import { LabrinthOrganizationsV3Module } from './labrinth/organizations/v3'
 import { LabrinthPatsV2Module } from './labrinth/pats/v2'
-import { LabrinthLimitsV3Module } from './labrinth/limits/v3'
 import { LabrinthPayoutV3Module } from './labrinth/payout/v3'
 import { LabrinthPayoutsV3Module } from './labrinth/payouts/v3'
-import { LabrinthReportsV3Module } from './labrinth/reports/v3'
 import { LabrinthProjectsV2Module } from './labrinth/projects/v2'
 import { LabrinthProjectsV3Module } from './labrinth/projects/v3'
+import { LabrinthReportsV3Module } from './labrinth/reports/v3'
 import { LabrinthServerPingInternalModule } from './labrinth/server-ping/internal'
 import { LabrinthSessionsV2Module } from './labrinth/sessions/v2'
 import { LabrinthStateModule } from './labrinth/state'
diff --git a/packages/api-client/src/modules/labrinth/index.ts b/packages/api-client/src/modules/labrinth/index.ts
index 3beed4d87..a1e25783a 100644
--- a/packages/api-client/src/modules/labrinth/index.ts
+++ b/packages/api-client/src/modules/labrinth/index.ts
@@ -3,11 +3,11 @@ export * from './auth/v2'
 export * from './billing/internal'
 export * from './collections'
 export * from './globals/internal'
+export * from './limits/v3'
 export * from './notifications/v2'
 export * from './oauth/internal'
 export * from './organizations/v3'
 export * from './pats/v2'
-export * from './limits/v3'
 export * from './payout/v3'
 export * from './payouts/v3'
 export * from './projects/v2'
diff --git a/packages/api-client/src/modules/paper/types.ts b/packages/api-client/src/modules/paper/types.ts
index f8febff0c..3e02778ca 100644
--- a/packages/api-client/src/modules/paper/types.ts
+++ b/packages/api-client/src/modules/paper/types.ts
@@ -1,6 +1,11 @@
 export namespace Paper {
 	export namespace Versions {
 		export namespace v3 {
+			export type Project = {
+				project: { id: string; name: string }
+				versions: Record<string, string[]>
+			}
+
 			export type VersionBuilds = {
 				builds: number[]
 			}
diff --git a/packages/api-client/src/modules/paper/v3.ts b/packages/api-client/src/modules/paper/v3.ts
index 83ea2fcad..85353be11 100644
--- a/packages/api-client/src/modules/paper/v3.ts
+++ b/packages/api-client/src/modules/paper/v3.ts
@@ -12,6 +12,13 @@ export class PaperVersionsV3Module extends AbstractModule {
 		return 'paper_versions_v3'
 	}
 
+	/**
+	 * Get the Paper project info including all supported Minecraft versions.
+	 */
+	public async getProject(): Promise<Paper.Versions.v3.Project> {
+		return $fetch<Paper.Versions.v3.Project>(`${BASE_URL}/projects/paper`)
+	}
+
 	/**
 	 * Get available Paper builds for a Minecraft version.
 	 *
diff --git a/packages/api-client/src/modules/purpur/types.ts b/packages/api-client/src/modules/purpur/types.ts
index 998b81809..14e985ad8 100644
--- a/packages/api-client/src/modules/purpur/types.ts
+++ b/packages/api-client/src/modules/purpur/types.ts
@@ -1,6 +1,11 @@
 export namespace Purpur {
 	export namespace Versions {
 		export namespace v2 {
+			export type Project = {
+				project: string
+				versions: string[]
+			}
+
 			export type VersionBuilds = {
 				builds: {
 					all: string[]
diff --git a/packages/api-client/src/modules/purpur/v2.ts b/packages/api-client/src/modules/purpur/v2.ts
index 441be34e0..6efd06443 100644
--- a/packages/api-client/src/modules/purpur/v2.ts
+++ b/packages/api-client/src/modules/purpur/v2.ts
@@ -12,6 +12,13 @@ export class PurpurVersionsV2Module extends AbstractModule {
 		return 'purpur_versions_v2'
 	}
 
+	/**
+	 * Get the Purpur project info including all supported Minecraft versions.
+	 */
+	public async getProject(): Promise<Purpur.Versions.v2.Project> {
+		return $fetch<Purpur.Versions.v2.Project>(`${BASE_URL}/purpur`)
+	}
+
 	/**
 	 * Get available Purpur builds for a Minecraft version.
 	 *
diff --git a/packages/ui/src/components/flows/creation-flow-modal/components/CustomSetupStage.vue b/packages/ui/src/components/flows/creation-flow-modal/components/CustomSetupStage.vue
index 536b3057d..7e11a590a 100644
--- a/packages/ui/src/components/flows/creation-flow-modal/components/CustomSetupStage.vue
+++ b/packages/ui/src/components/flows/creation-flow-modal/components/CustomSetupStage.vue
@@ -104,7 +104,7 @@ import { computed, onMounted, ref, watch } from 'vue'
 
 import { useDebugLogger } from '#ui/composables/debug-logger'
 
-import { injectFilePicker, injectTags } from '../../../../providers'
+import { injectFilePicker, injectModrinthClient, injectTags } from '../../../../providers'
 import Avatar from '../../../base/Avatar.vue'
 import ButtonStyled from '../../../base/ButtonStyled.vue'
 import Chips from '../../../base/Chips.vue'
@@ -116,6 +116,7 @@ import { injectCreationFlowContext } from '../creation-flow-context'
 import { capitalize, formatLoaderLabel } from '../shared'
 
 const debug = useDebugLogger('CustomSetupStage')
+const client = injectModrinthClient()
 const ctx = injectCreationFlowContext()
 const {
 	selectedLoader,
@@ -280,9 +281,8 @@ async function fetchLoaderManifest(loader: string) {
 async function fetchPaperSupportedVersions() {
 	if (paperSupportedVersions.value) return
 	try {
-		const res = await fetch('https://api.papermc.io/v2/projects/paper')
-		const data = (await res.json()) as { versions: string[] }
-		paperSupportedVersions.value = new Set(data.versions)
+		const project = await client.paper.versions_v3.getProject()
+		paperSupportedVersions.value = new Set(Object.values(project.versions).flat())
 	} catch {
 		paperSupportedVersions.value = new Set()
 	}
@@ -291,9 +291,8 @@ async function fetchPaperSupportedVersions() {
 async function fetchPurpurSupportedVersions() {
 	if (purpurSupportedVersions.value) return
 	try {
-		const res = await fetch('https://api.purpurmc.org/v2/purpur')
-		const data = (await res.json()) as { versions: string[] }
-		purpurSupportedVersions.value = new Set(data.versions)
+		const project = await client.purpur.versions_v2.getProject()
+		purpurSupportedVersions.value = new Set(project.versions)
 	} catch {
 		purpurSupportedVersions.value = new Set()
 	}
@@ -302,8 +301,7 @@ async function fetchPurpurSupportedVersions() {
 async function fetchPaperVersions(mcVersion: string) {
 	if (paperVersions.value[mcVersion]) return
 	try {
-		const res = await fetch(`https://fill.papermc.io/v3/projects/paper/versions/${mcVersion}`)
-		const data = (await res.json()) as { builds: number[] }
+		const data = await client.paper.versions_v3.getBuilds(mcVersion)
 		paperVersions.value[mcVersion] = data.builds.sort((a, b) => b - a)
 	} catch {
 		paperVersions.value[mcVersion] = []
@@ -313,8 +311,7 @@ async function fetchPaperVersions(mcVersion: string) {
 async function fetchPurpurVersions(mcVersion: string) {
 	if (purpurVersions.value[mcVersion]) return
 	try {
-		const res = await fetch(`https://api.purpurmc.org/v2/purpur/${mcVersion}`)
-		const data = (await res.json()) as { builds: { all: string[] } }
+		const data = await client.purpur.versions_v2.getBuilds(mcVersion)
 		purpurVersions.value[mcVersion] = data.builds.all.sort((a, b) => parseInt(b) - parseInt(a))
 	} catch {
 		purpurVersions.value[mcVersion] = []