diff --git a/pyproject.toml b/pyproject.toml
index dbacb32..1747385 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "goodeye"
-version = "0.18.0"
+version = "0.18.1"
 description = "Goodeye CLI: share and run outcome-aligned AI workflows from the terminal."
 readme = "README.md"
 license = { file = "LICENSE" }
diff --git a/src/goodeye_cli/commands/usage.py b/src/goodeye_cli/commands/usage.py
index 52ef450..bc56c6e 100644
--- a/src/goodeye_cli/commands/usage.py
+++ b/src/goodeye_cli/commands/usage.py
@@ -24,22 +24,26 @@ def _coerce_usage(body: UsageResponse | dict[str, Any]) -> UsageResponse:
 def format_usage_summary(body: UsageResponse | dict[str, Any]) -> str:
     """Render the usage payload as a human-readable multi-line string.
 
-    The purchased-credits and unpaid-balance lines only render when their
-    values are positive.
+    The purchased-credits, referral-credits, and unpaid-balance lines only
+    render when their values are positive.
     """
     usage = _coerce_usage(body)
     refill_at = usage.monthly_refill_at.strftime("%m/%d/%Y")
     has_purchased = float(usage.purchased_remaining_usd) > 0
+    has_referral = float(usage.referral_remaining_usd) > 0
     lines = [
         f"Tier: {usage.tier}",
         f"Available: ${usage.available_usd}",
     ]
-    if has_purchased:
+    if has_purchased or has_referral:
         lines.append(
             f"  ${usage.monthly_remaining_usd} monthly "
             f"(refills to ${usage.monthly_refill_usd} on {refill_at})"
         )
-        lines.append(f"  ${usage.purchased_remaining_usd} one-off credits")
+        if has_purchased:
+            lines.append(f"  ${usage.purchased_remaining_usd} one-off credits")
+        if has_referral:
+            lines.append(f"  ${usage.referral_remaining_usd} referral credits")
     else:
         lines.append(f"  refills to ${usage.monthly_refill_usd} on {refill_at}")
     if float(usage.unpaid_balance_usd) > 0:
@@ -75,6 +79,7 @@ def usage(
             "monthly_refill_usd": result.monthly_refill_usd,
             "monthly_refill_at": result.monthly_refill_at.isoformat(),
             "purchased_remaining_usd": result.purchased_remaining_usd,
+            "referral_remaining_usd": result.referral_remaining_usd,
             "unpaid_balance_usd": result.unpaid_balance_usd,
         }
         typer.echo(_json.dumps(payload))
diff --git a/src/goodeye_cli/wire.py b/src/goodeye_cli/wire.py
index b21394f..f07aac2 100644
--- a/src/goodeye_cli/wire.py
+++ b/src/goodeye_cli/wire.py
@@ -38,7 +38,9 @@ class UsageResponse(_WireBase):
     Money-shaped fields are strings to preserve exact decimal values across
     the wire (callers parse them with ``Decimal`` or ``float`` as needed).
     ``available_usd`` is what the caller can spend right now: monthly grant
-    plus any one-off purchased credits, minus carried-over unpaid balance.
+    plus any one-off purchased credits and referral bonus credits, minus
+    carried-over unpaid balance. ``referral_remaining_usd`` defaults to 0.00
+    so responses from servers that predate the field still parse.
     """
 
     tier: str
@@ -47,6 +49,7 @@ class UsageResponse(_WireBase):
     monthly_refill_usd: str
     monthly_refill_at: datetime
     purchased_remaining_usd: str
+    referral_remaining_usd: str = "0.00"
     unpaid_balance_usd: str
 
 
diff --git a/tests/test_commands_usage.py b/tests/test_commands_usage.py
index 59ad962..61e5647 100644
--- a/tests/test_commands_usage.py
+++ b/tests/test_commands_usage.py
@@ -70,6 +70,40 @@ def test_format_usage_summary_with_purchased() -> None:
     assert "$50.00 one-off credits" in out
 
 
+def test_format_usage_summary_with_referral() -> None:
+    out = format_usage_summary(
+        _body(
+            available_usd="9.17",
+            monthly_remaining_usd="4.17",
+            referral_remaining_usd="5.00",
+        )
+    )
+    assert "Available: $9.17" in out
+    assert "$4.17 monthly (refills to $5.00 on 05/14/2026)" in out
+    assert "$5.00 referral credits" in out
+
+
+def test_format_usage_summary_with_purchased_and_referral() -> None:
+    out = format_usage_summary(
+        _body(
+            available_usd="59.17",
+            monthly_remaining_usd="4.17",
+            purchased_remaining_usd="50.00",
+            referral_remaining_usd="5.00",
+        )
+    )
+    assert "Available: $59.17" in out
+    assert "$50.00 one-off credits" in out
+    assert "$5.00 referral credits" in out
+
+
+def test_format_usage_summary_no_referral_line_when_absent() -> None:
+    # Older servers omit the field entirely; the wire default keeps it at 0.00
+    # and the line is suppressed.
+    out = format_usage_summary(_body())
+    assert "referral" not in out
+
+
 def test_format_usage_summary_with_unpaid() -> None:
     out = format_usage_summary(
         _body(
@@ -128,6 +162,7 @@ def test_usage_command_json(tmp_config_paths: ConfigPaths, monkeypatch) -> None:
     assert data["tier"] == "pro"
     assert data["available_usd"] == "15.00"
     assert data["monthly_refill_usd"] == "20.00"
+    assert data["referral_remaining_usd"] == "0.00"
 
 
 def test_usage_command_without_credentials_errors(
diff --git a/uv.lock b/uv.lock
index 6d1fb6b..feb7b2e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -176,7 +176,7 @@ wheels = [
 
 [[package]]
 name = "goodeye"
-version = "0.17.0"
+version = "0.18.1"
 source = { editable = "." }
 dependencies = [
     { name = "httpx" },