diff --git a/apps/studio/data/oauth-custom-providers/custom-provider-admin-request.ts b/apps/studio/data/oauth-custom-providers/custom-provider-admin-request.ts
deleted file mode 100644
index 7c2c583c307..00000000000
--- a/apps/studio/data/oauth-custom-providers/custom-provider-admin-request.ts
+++ /dev/null
@@ -1,83 +0,0 @@
-import { getOrRefreshTemporaryApiKey } from '@/data/api-keys/temp-api-keys-utils'
-import { handleError } from '@/data/fetchers'
-
-/**
- * Keeps the structural `custom:` prefix literal while still encoding the
- * user-controlled slug, e.g. `custom:naver` -> `custom:naver`,
- * `custom:my provider` -> `custom:my%20provider`.
- */
-function encodeCustomProviderIdentifier(identifier: string) {
-  const slug = identifier.replace(/^custom:/i, '')
-  return `custom:${encodeURIComponent(slug)}`
-}
-
-function extractErrorMessage(payload: unknown, fallback: string) {
-  if (payload && typeof payload === 'object') {
-    if ('msg' in payload && typeof payload.msg === 'string') return payload.msg
-    if ('message' in payload && typeof payload.message === 'string') return payload.message
-    if ('error_description' in payload && typeof payload.error_description === 'string') {
-      return payload.error_description
-    }
-  }
-  return fallback
-}
-
-/**
- * Performs a raw request against the GoTrue custom-providers admin endpoint.
- *
- * We bypass the auth-js SDK's `customProviders.updateProvider` / `deleteProvider`
- * helpers here because they run the identifier through `encodeURIComponent`
- * (supabase-js#2383), which turns the required `custom:` prefix into `custom%3A`.
- * The GoTrue endpoint does not decode the path segment, so the encoded colon
- * fails its `identifier must start with 'custom:'` validation.
- *
- * TODO: remove this and return to the SDK helpers once GoTrue decodes the
- * custom-provider path segment (supabase-js#2383).
- */
-export async function customProviderAdminRequest({
-  method,
-  projectRef,
-  clientEndpoint,
-  identifier,
-  body,
-}: {
-  method: 'PUT' | 'DELETE'
-  projectRef: string
-  clientEndpoint: string
-  identifier: string
-  body?: unknown
-}) {
-  const { apiKey } = await getOrRefreshTemporaryApiKey(projectRef)
-  const path = encodeCustomProviderIdentifier(identifier)
-
-  const response = await fetch(`${clientEndpoint}/auth/v1/admin/custom-providers/${path}`, {
-    method,
-    headers: {
-      apikey: apiKey,
-      Authorization: `Bearer ${apiKey}`,
-      'Content-Type': 'application/json',
-    },
-    ...(body !== undefined ? { body: JSON.stringify(body) } : {}),
-  })
-
-  if (!response.ok) {
-    let payload: unknown
-    try {
-      payload = await response.json()
-    } catch {
-      // response had no JSON body
-    }
-    handleError({
-      message: extractErrorMessage(payload, `Request failed with status ${response.status}`),
-      code: response.status,
-    })
-  }
-
-  if (method === 'DELETE') return null
-
-  try {
-    return await response.json()
-  } catch {
-    return null
-  }
-}
diff --git a/apps/studio/data/oauth-custom-providers/oauth-custom-provider-delete-mutation.ts b/apps/studio/data/oauth-custom-providers/oauth-custom-provider-delete-mutation.ts
index b3335b6f0ce..384e801151a 100644
--- a/apps/studio/data/oauth-custom-providers/oauth-custom-provider-delete-mutation.ts
+++ b/apps/studio/data/oauth-custom-providers/oauth-custom-provider-delete-mutation.ts
@@ -1,8 +1,9 @@
 import { useMutation, useQueryClient } from '@tanstack/react-query'
 import { toast } from 'sonner'
 
-import { customProviderAdminRequest } from './custom-provider-admin-request'
 import { oAuthCustomProvidersKeys } from './keys'
+import { handleError } from '@/data/fetchers'
+import { createProjectSupabaseClient } from '@/lib/project-supabase-client'
 import type { ResponseError, UseCustomMutationOptions } from '@/types'
 
 export type OAuthCustomProviderDeleteVariables = {
@@ -20,12 +21,10 @@ export async function deleteOAuthCustomProvider({
   if (!clientEndpoint) throw new Error('Client endpoint is required')
   if (!identifier) throw new Error('Provider identifier is required')
 
-  await customProviderAdminRequest({
-    method: 'DELETE',
-    projectRef,
-    clientEndpoint,
-    identifier,
-  })
+  const supabaseClient = await createProjectSupabaseClient(projectRef, clientEndpoint)
+  const { error } = await supabaseClient.auth.admin.customProviders.deleteProvider(identifier)
+
+  if (error) handleError(error)
   return null
 }
 
diff --git a/apps/studio/data/oauth-custom-providers/oauth-custom-provider-update-mutation.ts b/apps/studio/data/oauth-custom-providers/oauth-custom-provider-update-mutation.ts
index 41b892b1f6e..9caf8c212dc 100644
--- a/apps/studio/data/oauth-custom-providers/oauth-custom-provider-update-mutation.ts
+++ b/apps/studio/data/oauth-custom-providers/oauth-custom-provider-update-mutation.ts
@@ -2,8 +2,9 @@ import type { UpdateCustomProviderParams } from '@supabase/auth-js'
 import { useMutation, useQueryClient } from '@tanstack/react-query'
 import { toast } from 'sonner'
 
-import { customProviderAdminRequest } from './custom-provider-admin-request'
 import { oAuthCustomProvidersKeys } from './keys'
+import { handleError } from '@/data/fetchers'
+import { createProjectSupabaseClient } from '@/lib/project-supabase-client'
 import type { ResponseError, UseCustomMutationOptions } from '@/types'
 
 export type OAuthCustomProviderUpdateVariables = UpdateCustomProviderParams & {
@@ -22,13 +23,14 @@ export async function updateOAuthCustomProvider({
   if (!clientEndpoint) throw new Error('Client endpoint is required')
   if (!identifier) throw new Error('Provider identifier is required')
 
-  return customProviderAdminRequest({
-    method: 'PUT',
-    projectRef,
-    clientEndpoint,
+  const supabaseClient = await createProjectSupabaseClient(projectRef, clientEndpoint)
+  const { data, error } = await supabaseClient.auth.admin.customProviders.updateProvider(
     identifier,
-    body: params,
-  })
+    params
+  )
+
+  if (error) handleError(error)
+  return data!
 }
 
 type OAuthCustomProviderUpdateData = Awaited<ReturnType<typeof updateOAuthCustomProvider>>