diff --git a/.claude/rules/openapi.md b/.claude/rules/openapi.md
index 18a6d24..068a0d0 100644
--- a/.claude/rules/openapi.md
+++ b/.claude/rules/openapi.md
@@ -77,8 +77,14 @@ machine-checkable subset.
 
 - `/v1` is a **header selector** (`X-Trace-Version: 1`). It is **never**
   a URL path segment. Do not write paths like `/api/v1/...`.
-- Server URL is per-service: `https://faas.{env}.tracefinance.io/account`,
-  `/payment`, `/webhook`.
+- Server URL is the bare gateway host. Only the sandbox host is
+  published: `https://api.sandbox.tracefinance.com`. The production
+  host is **not** documented publicly — it is shared with the customer
+  at go-live. Do **not** add a production `servers:` entry, a
+  `productionUrl` Mintlify variable, or any production URL in MDX.
+- Do **not** include the internal service segment (`/account`,
+  `/payment`, `/webhook`) — service names are not exposed publicly.
+  Paths begin at the source channel (`/api/...`).
 - Strip `/dashboard` and `/admin` paths — only `/api` channel is
   documented. Public discovery endpoints (e.g.,
   `/references/...`) sit outside `/api` and require no auth — set
diff --git a/apis/fx-account/openapi.yml b/apis/fx-account/openapi.yml
index f4084bd..911b11c 100644
--- a/apis/fx-account/openapi.yml
+++ b/apis/fx-account/openapi.yml
@@ -4,10 +4,8 @@ info:
   version: 1.0.0
   description: API for managing multi-currency accounts on the Trace FX platform.
 servers:
-  - url: https://faas.sandbox.tracefinance.io/account
+  - url: https://api.sandbox.tracefinance.com
     description: Sandbox
-  - url: https://faas.tracefinance.io/account
-    description: Production
 security:
   - bearerAuth: []
 tags:
diff --git a/apis/fx-payment/openapi.yml b/apis/fx-payment/openapi.yml
index 683da86..09f1f39 100644
--- a/apis/fx-payment/openapi.yml
+++ b/apis/fx-payment/openapi.yml
@@ -6,10 +6,8 @@ info:
     API for deposits, withdrawals, swaps, and beneficiary management
     on the Trace FX platform.
 servers:
-  - url: https://faas.sandbox.tracefinance.io/payment
+  - url: https://api.sandbox.tracefinance.com
     description: Sandbox
-  - url: https://faas.tracefinance.io/payment
-    description: Production
 security:
   - bearerAuth: []
 tags:
diff --git a/apis/fx-webhook/openapi.yml b/apis/fx-webhook/openapi.yml
index 9c8e134..97fad92 100644
--- a/apis/fx-webhook/openapi.yml
+++ b/apis/fx-webhook/openapi.yml
@@ -6,10 +6,8 @@ info:
     API for managing webhook subscriptions and inspecting webhook delivery
     history on the Trace FX platform.
 servers:
-  - url: https://faas.sandbox.tracefinance.io/webhook
+  - url: https://api.sandbox.tracefinance.com
     description: Sandbox
-  - url: https://faas.tracefinance.io/webhook
-    description: Production
 security:
   - bearerAuth: []
 tags:
diff --git a/docs.json b/docs.json
index 0545612..a02191f 100644
--- a/docs.json
+++ b/docs.json
@@ -246,18 +246,14 @@
     ]
   },
   "api": {
-    "baseUrl": [
-      "https://faas.sandbox.tracefinance.io",
-      "https://faas.tracefinance.io"
-    ],
+    "baseUrl": "https://api.sandbox.tracefinance.com",
     "auth": {
       "method": "bearer"
     }
   },
   "description": "Explore guides, examples, and API references to build with Trace Finance.",
   "variables": {
-    "sandboxUrl": "https://faas.sandbox.tracefinance.io",
-    "productionUrl": "https://faas.tracefinance.io",
+    "sandboxUrl": "https://api.sandbox.tracefinance.com",
     "authUrl": "https://auth.tracefinance.io"
   },
   "seo": {
diff --git a/guides/environments.mdx b/guides/environments.mdx
index bffe9f4..3e27fa9 100644
--- a/guides/environments.mdx
+++ b/guides/environments.mdx
@@ -7,10 +7,7 @@ description: "Sandbox and production base URLs, and what differs between them."
 
 Trace FX provides two environments. Use sandbox for development and testing, and production for live integrations.
 
-| Environment | Base URL |
-| --- | --- |
-| Sandbox | `{{sandboxUrl}}` |
-| Production | `{{productionUrl}}` |
+The sandbox base URL is `{{sandboxUrl}}`. The production base URL is shared with you at go-live, after your integration has been validated in sandbox.
 
 ## Details
 
diff --git a/webhooks/test-in-sandbox.mdx b/webhooks/test-in-sandbox.mdx
index 95c26ad..6ab60b4 100644
--- a/webhooks/test-in-sandbox.mdx
+++ b/webhooks/test-in-sandbox.mdx
@@ -7,7 +7,7 @@ description: "Develop and verify webhook handlers against the Trace sandbox."
 
 The sandbox environment delivers real webhook events as you exercise the API — creating orders, registering beneficiaries, initiating PIX payments, and so on. Use it to develop and test your handler before going to production.
 
-The sandbox base URL is `{{sandboxUrl}}` (`https://faas.sandbox.tracefinance.io`).
+The sandbox base URL is `{{sandboxUrl}}`.
 
 ## Recommended workflow