Why do I keep getting 429 responses

At a glance
Goal: Understand constant 429 errors
Time: 2 minutes
Plugins: Various
Prerequisites: Set up Dev Proxy

If you have the failure rate at 100%, then no request can ever succeed.

If you configure a lower failure rate, then a previously throttled request is passed to the API provided the Retry-After time period elapses.

See also

• Change request failure rate
• Simulate throttling
• What is throttling?