diff --git a/apps/sim/blocks/blocks/ashby.test.ts b/apps/sim/blocks/blocks/ashby.test.ts
index 75a26b13b68..748efee159f 100644
--- a/apps/sim/blocks/blocks/ashby.test.ts
+++ b/apps/sim/blocks/blocks/ashby.test.ts
@@ -47,11 +47,22 @@ describe('AshbyBlock', () => {
       expect(result.socialLinks).toEqual([{ type: 'Twitter', url: 'https://twitter.com/jane' }])
     })
 
-    it('omits the field when the JSON is malformed', () => {
-      const result = AshbyBlock.tools.config.params!(
-        buildParams('update_candidate', { socialLinks: 'not json' })
-      )
-      expect(result.socialLinks).toBeUndefined()
+    it('throws instead of silently dropping the field when the JSON is malformed', () => {
+      // A silent [] here would let the Ashby update proceed without applying
+      // the requested links and with no error shown to the workflow author.
+      expect(() =>
+        AshbyBlock.tools.config.params!(
+          buildParams('update_candidate', { socialLinks: 'not json' })
+        )
+      ).toThrow(/Invalid JSON in Ashby social links/)
+    })
+
+    it('throws when the parsed JSON is not an array', () => {
+      expect(() =>
+        AshbyBlock.tools.config.params!(
+          buildParams('update_candidate', { socialLinks: '{"type":"Twitter"}' })
+        )
+      ).toThrow(/expected a JSON array/)
     })
   })
 
diff --git a/apps/sim/blocks/blocks/ashby.ts b/apps/sim/blocks/blocks/ashby.ts
index 78c63efee30..06fcf157524 100644
--- a/apps/sim/blocks/blocks/ashby.ts
+++ b/apps/sim/blocks/blocks/ashby.ts
@@ -1,3 +1,4 @@
+import { getErrorMessage } from '@sim/utils/errors'
 import { AshbyIcon } from '@/components/icons'
 import { AuthMode, type BlockConfig, type BlockMeta, IntegrationType } from '@/blocks/types'
 import { getTrigger } from '@/triggers'
@@ -22,12 +23,20 @@ function parseStringListInput(value: unknown): string[] {
 function parseSocialLinksInput(value: unknown): Array<{ type: string; url: string }> {
   if (Array.isArray(value)) return value as Array<{ type: string; url: string }>
   if (typeof value !== 'string' || !value.trim()) return []
+  let parsed: unknown
   try {
-    const parsed = JSON.parse(value)
-    return Array.isArray(parsed) ? parsed : []
-  } catch {
-    return []
+    parsed = JSON.parse(value)
+  } catch (error) {
+    throw new Error(
+      `Invalid JSON in Ashby social links: ${getErrorMessage(error)}. Expected a JSON array like [{"type":"Twitter","url":"https://twitter.com/x"}].`
+    )
   }
+  if (!Array.isArray(parsed)) {
+    throw new Error(
+      'Invalid Ashby social links: expected a JSON array like [{"type":"Twitter","url":"https://twitter.com/x"}].'
+    )
+  }
+  return parsed
 }
 
 export const AshbyBlock: BlockConfig = {