Power Automate 429 "Too Many Requests" — how to fix

Why it happens

Connectors and services enforce rate limits (requests per minute/connection). A loop that calls an action on every item, or many concurrent runs, quickly exceeds them and the service returns 429.

How to fix it

1. 1Reduce concurrency: on the Apply to each, open Settings and lower the Degree of Parallelism (or set it to 1).
2. 2Add a Delay action inside heavy loops to space out calls.
3. 3Batch operations where the connector supports it instead of calling the action once per row.
4. 4Add a retry policy (exponential) on the action so transient 429s recover automatically.

Prevent it

Filter rows before the loop so you only process what you need, and avoid triggering many flow runs at once on bulk changes.