diff --git a/app/components/AttachmentItem.vue b/app/components/AttachmentItem.vue
index ad47598..7f657c9 100644
--- a/app/components/AttachmentItem.vue
+++ b/app/components/AttachmentItem.vue
@@ -10,7 +10,7 @@ import type { SnAttachment } from '~/types/api'
 
 const props = defineProps<{ item: SnAttachment }>()
 
-const itemType = computed(() => props.item.mime_type.split('/')[0] ?? 'unknown')
+const itemType = computed(() => props.item.mimeType.split('/')[0] ?? 'unknown')
 
 const apiBase = useSolarNetworkUrl();
 const remoteSource = computed(() => `${apiBase}/drive/files/${props.item.id}?original=true`)
diff --git a/app/components/PostHeader.vue b/app/components/PostHeader.vue
index 18608ab..d82d038 100644
--- a/app/components/PostHeader.vue
+++ b/app/components/PostHeader.vue
@@ -7,9 +7,9 @@
         <span class="text-xs">@{{ props.item.publisher.name }}</span>
       </p>
       <p class="text-xs flex gap-1">
-        <span>{{ DateTime.fromISO(props.item.created_at).toRelative() }}</span>
+        <span>{{ DateTime.fromISO(props.item.createdAt).toRelative() }}</span>
         <span class="font-bold">·</span>
-        <span>{{ DateTime.fromISO(props.item.created_at).toLocaleString() }}</span>
+        <span>{{ DateTime.fromISO(props.item.createdAt).toLocaleString() }}</span>
       </p>
     </div>
   </div>
@@ -18,8 +18,9 @@
 <script lang="ts" setup>
 import { computed } from 'vue'
 import { DateTime } from 'luxon'
+import type { SnPost } from '~/types/api';
 
-const props = defineProps<{ item: any }>()
+const props = defineProps<{ item: SnPost }>()
 
 const apiBase = useSolarNetworkUrl();
 const publisherAvatar = computed(() =>
diff --git a/app/composables/useSolarNetwork.ts b/app/composables/useSolarNetwork.ts
index 851d132..7cda834 100644
--- a/app/composables/useSolarNetwork.ts
+++ b/app/composables/useSolarNetwork.ts
@@ -1,10 +1,28 @@
 // Solar Network aka the api client
+import { keysToCamel, keysToSnake } from '~/utils/transformKeys'
+
 export const useSolarNetwork = () => {
   const apiBase = useSolarNetworkUrl();
-  return $fetch.create({ baseURL: apiBase, credentials: 'include' })
+
+  return $fetch.create({
+    baseURL: apiBase,
+    credentials: 'include',
+    // Transform response keys from snake_case to camelCase
+    onResponse: ({ response }) => {
+      if (response._data) {
+        response._data = keysToCamel(response._data)
+      }
+    },
+    // Transform request data from camelCase to snake_case
+    onRequest: ({ options }) => {
+      if (options.body && typeof options.body === 'object') {
+        options.body = keysToSnake(options.body)
+      }
+    }
+  })
 }
 
 export const useSolarNetworkUrl = () => {
   const config = useRuntimeConfig()
   return config.public.apiBase
-}
\ No newline at end of file
+}
diff --git a/app/pages/index.vue b/app/pages/index.vue
index 8c4da15..dc52b1f 100644
--- a/app/pages/index.vue
+++ b/app/pages/index.vue
@@ -73,7 +73,7 @@ async function fetchActivites() {
   const resp = await api(
     activitesLast.value == null
       ? '/sphere/activities'
-      : `/sphere/activities?cursor=${new Date(activitesLast.value.created_at).toISOString()}`,
+      : `/sphere/activities?cursor=${new Date(activitesLast.value.createdAt).toISOString()}`,
   )
   const data = resp as SnActivity[]
   activites.value = [...activites.value, ...data]
diff --git a/app/types/api/activity.ts b/app/types/api/activity.ts
index cf903b2..86b00cc 100644
--- a/app/types/api/activity.ts
+++ b/app/types/api/activity.ts
@@ -4,11 +4,11 @@ import type { SnPost } from './post'
 export interface SnActivity {
   id: string;
   type: string;
-  resource_identifier: string;
+  resourceIdentifier: string;
   meta: Record<string, unknown>;
   data: SnPost;
   visibility: number;
-  created_at: string;
-  updated_at: string;
-  deleted_at: string | null;
+  createdAt: string;
+  updatedAt: string;
+  deletedAt: string | null;
 }
diff --git a/app/types/api/post.ts b/app/types/api/post.ts
index 97d6bc0..ba0dfdb 100644
--- a/app/types/api/post.ts
+++ b/app/types/api/post.ts
@@ -16,26 +16,26 @@ export interface SnFileMeta {
   yoffset?: number;
   filename?: string | null;
   orientation?: number;
-  'vips-loader'?: string;
+  vipsLoader?: string;
   interpretation?: number;
-  'bits-per-sample'?: number;
-  'resolution-unit'?: string;
+  bitsPerSample?: number;
+  resolutionUnit?: string;
 }
 
 // Attachment interface
 export interface SnAttachment {
   id: string;
   name: string;
-  file_meta: SnFileMeta;
-  user_meta: Record<string, unknown> | null;
-  sensitive_marks: string[];
-  mime_type: string;
+  fileMeta: SnFileMeta;
+  userMeta: Record<string, unknown> | null;
+  sensitiveMarks: string[];
+  mimeType: string;
   hash: string;
   size: number;
-  has_compression: boolean;
-  created_at: string;
-  updated_at: string;
-  deleted_at: string | null;
+  hasCompression: boolean;
+  createdAt: string;
+  updatedAt: string;
+  deletedAt: string | null;
 }
 
 // Post interface
@@ -44,40 +44,40 @@ export interface SnPost {
   title: string;
   description: string;
   slug: string | null;
-  edited_at: string | null;
-  published_at: string;
+  editedAt: string | null;
+  publishedAt: string;
   visibility: number;
   content: string;
   type: number;
-  pin_mode: unknown | null;
+  pinMode: unknown | null;
   meta: unknown | null;
-  sensitive_marks: string[];
-  embed_view: unknown | null;
-  views_unique: number;
-  views_total: number;
+  sensitiveMarks: string[];
+  embedView: unknown | null;
+  viewsUnique: number;
+  viewsTotal: number;
   upvotes: number;
   downvotes: number;
-  awarded_score: number;
-  reactions_count: Record<string, number>;
-  replies_count: number;
-  reactions_made: Record<string, unknown>;
-  replied_gone: boolean;
-  forwarded_gone: boolean;
-  replied_post_id: string | null;
-  replied_post: SnPost | null;
-  forwarded_post_id: string | null;
-  forwarded_post: SnPost | null;
-  realm_id: string | null;
+  awardedScore: number;
+  reactionsCount: Record<string, number>;
+  repliesCount: number;
+  reactionsMade: Record<string, unknown>;
+  repliedGone: boolean;
+  forwardedGone: boolean;
+  repliedPostId: string | null;
+  repliedPost: SnPost | null;
+  forwardedPostId: string | null;
+  forwardedPost: SnPost | null;
+  realmId: string | null;
   realm: unknown | null;
   attachments: SnAttachment[];
-  publisher_id: string;
+  publisherId: string;
   publisher: SnPublisher;
   awards: unknown | null;
   tags: string[];
   categories: string[];
-  is_truncated: boolean;
-  resource_identifier: string;
-  created_at: string;
-  updated_at: string;
-  deleted_at: string | null;
+  isTruncated: boolean;
+  resourceIdentifier: string;
+  createdAt: string;
+  updatedAt: string;
+  deletedAt: string | null;
 }
diff --git a/app/types/api/publisher.ts b/app/types/api/publisher.ts
index 8b5f278..30e260c 100644
--- a/app/types/api/publisher.ts
+++ b/app/types/api/publisher.ts
@@ -5,7 +5,7 @@ export interface SnVerification {
   type: number;
   title: string;
   description: string;
-  verified_by: string;
+  verifiedBy: string;
 }
 
 // Publisher interface
@@ -15,16 +15,16 @@ export interface SnPublisher {
   name: string;
   nick: string;
   bio: string;
-  picture_id: string;
-  background_id: string;
+  pictureId: string;
+  backgroundId: string;
   picture: SnAttachment | null;
   background: SnAttachment | null;
   verification: SnVerification | null;
-  account_id: string;
-  realm_id: string | null;
+  accountId: string;
+  realmId: string | null;
   account: unknown | null;
-  resource_identifier: string;
-  created_at: string;
-  updated_at: string;
-  deleted_at: string | null;
+  resourceIdentifier: string;
+  createdAt: string;
+  updatedAt: string;
+  deletedAt: string | null;
 }
diff --git a/app/types/api/user.ts b/app/types/api/user.ts
index 3b24f57..34875c0 100644
--- a/app/types/api/user.ts
+++ b/app/types/api/user.ts
@@ -14,62 +14,62 @@ export interface SnAccountBadge {
   label: string | null;
   caption: string | null;
   meta: Record<string, unknown>;
-  activated_at: string;
-  expired_at: string | null;
-  account_id: string;
-  created_at: string;
-  updated_at: string;
-  deleted_at: string | null;
+  activatedAt: string;
+  expiredAt: string | null;
+  accountId: string;
+  createdAt: string;
+  updatedAt: string;
+  deletedAt: string | null;
 }
 
 // Account perk subscription interface
 export interface SnAccountPerkSubscription {
   id: string;
   identifier: string;
-  begun_at: string;
-  ended_at: string;
-  is_active: boolean;
-  is_available: boolean;
-  is_free_trial: boolean;
+  begunAt: string;
+  endedAt: string;
+  isActive: boolean;
+  isAvailable: boolean;
+  isFreeTrial: boolean;
   status: number;
-  base_price: number;
-  final_price: number;
-  renewal_at: string;
-  account_id: string;
-  display_name: string;
-  created_at: string;
-  updated_at: string;
-  deleted_at: string | null;
+  basePrice: number;
+  finalPrice: number;
+  renewalAt: string;
+  accountId: string;
+  displayName: string;
+  createdAt: string;
+  updatedAt: string;
+  deletedAt: string | null;
 }
 
 // Account profile interface
 export interface SnAccountProfile {
   id: string;
-  first_name: string;
-  middle_name: string;
-  last_name: string;
+  firstName: string;
+  middleName: string;
+  lastName: string;
   bio: string;
   gender: string;
   pronouns: string;
-  time_zone: string;
+  timeZone: string;
   location: string;
   links: SnAccountLink[];
   birthday: string;
-  last_seen_at: string;
+  lastSeenAt: string;
   verification: SnVerification | null;
-  active_badge: unknown | null;
+  activeBadge: unknown | null;
   experience: number;
   level: number;
-  social_credits: number;
-  social_credits_level: number;
-  leveling_progress: number;
+  socialCredits: number;
+  socialCreditsLevel: number;
+  levelingProgress: number;
   picture: SnAttachment | null;
   background: SnAttachment | null;
-  account_id: string;
-  resource_identifier: string;
-  created_at: string;
-  updated_at: string;
-  deleted_at: string | null;
+  accountId: string;
+  resourceIdentifier: string;
+  createdAt: string;
+  updatedAt: string;
+  deletedAt: string | null;
 }
 
 // Account interface
@@ -79,14 +79,14 @@ export interface SnAccount {
   nick: string;
   language: string;
   region: string;
-  activated_at: string;
-  is_superuser: boolean;
-  automated_id: string | null;
+  activatedAt: string;
+  isSuperuser: boolean;
+  automatedId: string | null;
   profile: SnAccountProfile;
   contacts: unknown[];
   badges: SnAccountBadge[];
-  perk_subscription: SnAccountPerkSubscription | null;
-  created_at: string;
-  updated_at: string;
-  deleted_at: string | null;
+  perkSubscription: SnAccountPerkSubscription | null;
+  createdAt: string;
+  updatedAt: string;
+  deletedAt: string | null;
 }
diff --git a/app/utils/transformKeys.ts b/app/utils/transformKeys.ts
new file mode 100644
index 0000000..492e75c
--- /dev/null
+++ b/app/utils/transformKeys.ts
@@ -0,0 +1,57 @@
+/**
+ * Transform object keys between snake_case and camelCase
+ */
+
+type TransformFunction = (key: string) => string
+
+const snakeCase: TransformFunction = (key: string): string => {
+  return key.replace(/[A-Z]/g, (letter) => `_${letter.toLowerCase()}`)
+}
+
+const camelCase: TransformFunction = (key: string): string => {
+  return key.replace(/_([a-z])/g, (_, letter) => letter.toUpperCase())
+}
+
+function transformKeys(obj: unknown, transformFn: TransformFunction): unknown {
+  if (obj === null || obj === undefined) {
+    return obj
+  }
+
+  if (Array.isArray(obj)) {
+    return obj.map(item => transformKeys(item, transformFn))
+  }
+
+  if (typeof obj === 'object' && obj.constructor === Object) {
+    const transformed: Record<string, unknown> = {}
+
+    for (const [key, value] of Object.entries(obj)) {
+      const transformedKey = transformFn(key)
+      transformed[transformedKey] = transformKeys(value, transformFn)
+    }
+
+    return transformed
+  }
+
+  return obj
+}
+
+/**
+ * Convert snake_case keys to camelCase
+ */
+export function keysToCamel<T = unknown>(obj: unknown): T {
+  return transformKeys(obj, camelCase) as T
+}
+
+/**
+ * Convert camelCase keys to snake_case
+ */
+export function keysToSnake<T = unknown>(obj: unknown): T {
+  return transformKeys(obj, snakeCase) as T
+}
+
+/**
+ * Deep clone and transform keys
+ */
+export function deepTransformKeys<T = unknown>(obj: unknown, transformFn: TransformFunction): T {
+  return JSON.parse(JSON.stringify(transformKeys(obj, transformFn))) as T
+}