diff --git a/src/core/jobs.ts b/src/core/jobs.ts
index 4a57361..0d433ac 100644
--- a/src/core/jobs.ts
+++ b/src/core/jobs.ts
@@ -814,7 +814,7 @@ export async function editJob(pool: pg.Pool, id: string, input: JobInput): Promi
             salary_period = $12, salary_equity = $13, salary_unpaid = $14,
             tags = $15, stack = $16, requirements = $17, responsibilities = $18,
             agent_policy = $19, expires_at = $20, pay_lines = $21, pay_method = $22,
-            updated_at = now()
+            apply_schema = $23, updated_at = now()
       where id = $1`,
     [
       id,
@@ -839,6 +839,7 @@ export async function editJob(pool: pg.Pool, id: string, input: JobInput): Promi
       input.expiresAt,
       JSON.stringify(input.pay.lines),
       input.pay.method,
+      JSON.stringify(input.apply.schema),
     ],
   );
   return getJobById(pool, id);
@@ -911,6 +912,7 @@ export async function patchJob(
   if (fields.has('requirements')) set('requirements', input.requirements);
   if (fields.has('responsibilities')) set('responsibilities', input.responsibilities);
   if (fields.has('agentPolicy')) set('agent_policy', input.agentPolicy);
+  if (fields.has('applySchema')) set('apply_schema', JSON.stringify(input.apply.schema));
   if (fields.has('expiresAt')) set('expires_at', input.expiresAt);
   if (fields.has('pay')) {
     const salary = salaryFromPay(input.pay);
diff --git a/src/server/routes/api.ts b/src/server/routes/api.ts
index b6f9a1f..531c785 100644
--- a/src/server/routes/api.ts
+++ b/src/server/routes/api.ts
@@ -270,6 +270,7 @@ const JOB_PATCH_FIELDS: Record<string, string> = {
   requirements: 'requirements',
   responsibilities: 'responsibilities',
   agentPolicy: 'agentPolicy',
+  applySchema: 'applySchema',
   expiresAt: 'expiresAt',
 };
 
diff --git a/test/api.test.ts b/test/api.test.ts
index 3de094e..0401190 100644
--- a/test/api.test.ts
+++ b/test/api.test.ts
@@ -3197,6 +3197,19 @@ describe('the API', { skip: reason === '' ? false : `no database: ${reason}` },
       assert.deepEqual(edited.job.apply.schema.fields, [
         { name: 'portfolio', label: 'Portfolio link', type: 'url', required: true, maxLength: 500 },
       ]);
+
+      // Sending applySchema replaces it; it used to be validated and dropped.
+      const rescoped = (await (
+        await patch(
+          `/api/v1/jobs/${created.job.slug}`,
+          { applySchema: { fields: [{ name: 'github', label: 'GitHub', type: 'url', required: true }] } },
+          auth,
+        )
+      ).json()) as { job: { apply: { schema: { fields: { name: string }[] } } } };
+      assert.deepEqual(
+        rescoped.job.apply.schema.fields.map((field) => field.name),
+        ['github'],
+      );
     });
 
     test("editing someone else's listing is refused", async () => {
diff --git a/test/job-patch-fields.test.ts b/test/job-patch-fields.test.ts
index 5fa752a..248f7bb 100644
--- a/test/job-patch-fields.test.ts
+++ b/test/job-patch-fields.test.ts
@@ -180,3 +180,20 @@ test('a patch with no recognised fields issues no update', async () => {
   assert.ok(!queries.some((sql) => sql.trim().startsWith('update jobs')));
   assert.equal(result?.title, 'Backend Engineer');
 });
+
+test('a patch that sends applySchema writes it', async () => {
+  const job = jobRow();
+  const queries: string[] = [];
+  const schema = { fields: [{ name: 'portfolio', label: 'Portfolio', type: 'url' as const, required: true }] };
+  await patchJob(
+    fakePool(job, queries) as never,
+    'job-1',
+    input({ apply: { via: 'board', schema } as JobInput['apply'] }),
+    new Set(['applySchema']),
+  );
+
+  const sql = updateSql(queries);
+  assert.match(sql, /apply_schema = \$\d+/);
+  assert.ok(!sql.includes('title ='), 'an applySchema patch must not rewrite the title');
+  assert.deepEqual(JSON.parse(job['apply_schema'] as string), schema);
+});