From a7ad089dfeb30a9795f8b5ee98905ea8b2e9768f Mon Sep 17 00:00:00 2001
From: Abdelrahman Essawy <abdelrahman.mo.essawy@gmail.com>
Date: Sun, 28 Jun 2026 04:13:46 +0300
Subject: [PATCH] docs(sdk): document billing.usageByClient

---
 sdk.mdx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sdk.mdx b/sdk.mdx
index d8974df..35625d4 100644
--- a/sdk.mdx
+++ b/sdk.mdx
@@ -133,7 +133,7 @@ await client.jobs.create({
 
 **Batches.** `batches.create({ jobs: [...] })` submits many jobs at once and returns `batchId`, `jobCount`, and `jobIds`. Wait on each id.
 
-**Billing.** `billing.state()` for balance and plan, `billing.usage({ start, end })` for spend, `billing.transactions({ page, limit })` for the ledger.
+**Billing.** `billing.state()` for balance and plan, `billing.usage({ start, end })` for spend, `billing.usageByClient({ days })` for spend grouped by the client that ran each job (dashboard, sdk, cli, mcp, n8n, or api), `billing.transactions({ page, limit })` for the ledger.
 
 **Webhooks.** `webhooks.create({ name, url, subscribedEvents })` registers an endpoint. Verify every delivery with the zero-dependency `verifyWebhookSignature` from `@rendobar/sdk/webhooks` (reads the `X-Rendobar-Signature` header, returns `Promise<boolean>`).