diff --git a/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.constants.test.ts b/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.constants.test.ts
new file mode 100644
index 00000000000..862069939ae
--- /dev/null
+++ b/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.constants.test.ts
@@ -0,0 +1,40 @@
+import { describe, expect, it } from 'vitest'
+
+import { INVOCATION_TABS } from './EdgeFunctionDetails.constants'
+
+const curlTab = INVOCATION_TABS.find((tab) => tab.id === 'curl')!
+
+const baseProps = {
+  showKey: true,
+  functionUrl: 'https://project-ref.supabase.co/functions/v1/health',
+  functionName: 'health',
+}
+
+describe('cURL invocation snippet', () => {
+  it('sends a publishable key on the apikey header, not Authorization', () => {
+    const code = curlTab.code({ ...baseProps, apiKey: 'sb_publishable_abc123' })
+
+    expect(code).toContain("-H 'apikey: sb_publishable_abc123'")
+    expect(code).not.toContain('Authorization')
+  })
+
+  it('sends a legacy anon key on the Authorization header, not apikey', () => {
+    const anonJwt = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.anon'
+    const code = curlTab.code({ ...baseProps, apiKey: anonJwt })
+
+    expect(code).toContain(`-H 'Authorization: Bearer ${anonJwt}'`)
+    expect(code).not.toContain('apikey:')
+  })
+
+  it('obfuscates the key name when showKey is false', () => {
+    const publishable = curlTab.code({
+      ...baseProps,
+      showKey: false,
+      apiKey: 'sb_publishable_abc123',
+    })
+    expect(publishable).toContain("-H 'apikey: SUPABASE_PUBLISHABLE_KEY'")
+
+    const anon = curlTab.code({ ...baseProps, showKey: false, apiKey: 'eyJ.anon' })
+    expect(anon).toContain("-H 'Authorization: Bearer SUPABASE_ANON_KEY'")
+  })
+})
diff --git a/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.constants.ts b/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.constants.ts
index 0af0084c088..7822861a76f 100644
--- a/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.constants.ts
+++ b/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.constants.ts
@@ -17,13 +17,19 @@ export const INVOCATION_TABS: InvocationTab[] = [
     label: 'cURL',
     language: 'bash',
     code: ({ showKey, functionUrl, apiKey }) => {
-      const obfuscatedName = apiKey.includes('publishable')
-        ? 'SUPABASE_PUBLISHABLE_KEY'
-        : 'SUPABASE_ANON_KEY'
+      const isPublishableKey = apiKey.includes('publishable')
+      const obfuscatedName = isPublishableKey ? 'SUPABASE_PUBLISHABLE_KEY' : 'SUPABASE_ANON_KEY'
       const keyValue = showKey ? apiKey : obfuscatedName
 
+      // Publishable and secret keys aren't JWTs, so they must be sent on the `apikey`
+      // header. Passing them on `Authorization: Bearer` makes the platform reject the
+      // request with `Invalid JWT`. Legacy `anon` keys are JWTs and use `Authorization`.
+      const authHeader = isPublishableKey
+        ? `-H 'apikey: ${keyValue}'`
+        : `-H 'Authorization: Bearer ${keyValue}'`
+
       return `curl -L -X POST '${functionUrl}' \\
-  -H 'Authorization: Bearer ${keyValue}' \\${apiKey.includes('publishable') ? `\n  -H 'apikey: ${keyValue}' \\` : ''}
+  ${authHeader} \\
   -H 'Content-Type: application/json' \\
   --data '{"name":"Functions"}'`
     },
diff --git a/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.tsx b/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.tsx
index a0feafae502..f56aaa437f5 100644
--- a/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.tsx
+++ b/apps/studio/components/interfaces/Functions/EdgeFunctionDetails/EdgeFunctionDetails.tsx
@@ -101,6 +101,7 @@ export const EdgeFunctionDetails = () => {
 
   const { anonKey, publishableKey } = getKeys(apiKeys)
   const apiKey = publishableKey?.api_key ?? anonKey?.api_key ?? '[YOUR ANON KEY]'
+  const apiKeyLabel = publishableKey?.api_key ? 'publishable key' : 'anon key'
 
   const { managementCommands } = generateCLICommands({
     selectedFunction,
@@ -263,7 +264,7 @@ export const EdgeFunctionDetails = () => {
                       className="ml-auto -translate-y-2 translate-x-3"
                       onClick={() => setShowKey(!showKey)}
                     >
-                      {showKey ? 'Hide' : 'Show'} anon key
+                      {showKey ? 'Hide' : 'Show'} {apiKeyLabel}
                     </Button>
                   )}
                 </TabsList>