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Simulate API rate limiting by intercepting fetch/XHR requests and returning configurable error responses.
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Simulate API rate limiting by intercepting fetch and XHR requests.
API Rate Limiter lets you create rules that intercept outgoing API calls and return configurable error responses (429 Too Many Requests, 503 Service Unavailable) so you can test how your app handles rate limiting without hitting real API limits.
How it works:
1. Click the extension icon and add a rate limit rule.
2. Set a URL pattern, request limit, and time window.
3. Browse normally — matching requests are counted and throttled when the limit is reached.
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