diff --git a/src/net/RateLimiter.zig b/src/net/RateLimiter.zig
index a9b55c2..cf17e15 100644
--- a/src/net/RateLimiter.zig
+++ b/src/net/RateLimiter.zig
@@ -29,9 +29,12 @@ pub fn init(max_per_window: u32, window_ns: u64) RateLimiter {
     };
 }
 
-/// Convenience: N requests per minute
+/// Convenience: N requests per minute.
+/// Starts with 1 token (no burst) to stay within provider sliding-window limits.
 pub fn perMinute(n: u32) RateLimiter {
-    return init(n, std.time.ns_per_min);
+    var rl = init(n, std.time.ns_per_min);
+    rl.tokens = 1.0;
+    return rl;
 }
 
 /// Convenience: N requests per day
@@ -87,8 +90,19 @@ fn refill(self: *RateLimiter) void {
 
 test "rate limiter basic" {
     var rl = RateLimiter.perMinute(60);
-    // Should have full bucket initially
+    // perMinute starts with 1 token (no burst)
     try std.testing.expect(rl.tryAcquire());
+    // Second call should be rate-limited immediately
+    try std.testing.expect(!rl.tryAcquire());
+}
+
+test "rate limiter perDay keeps full burst" {
+    var rl = RateLimiter.perDay(25);
+    // perDay starts with full bucket
+    for (0..25) |_| {
+        try std.testing.expect(rl.tryAcquire());
+    }
+    try std.testing.expect(!rl.tryAcquire());
 }
 
 test "rate limiter exhaustion" {