Error 998: Too Many Requests or Duplicate Action

PayMe's message with language: "en": Operation is not permitted

HTTP 429. status_additional_info tells the two cases apart: Too Many Attempts. is the rate limit, and Duplicated action detected, please retry later means the same action is still running.

Usual causes

What to do

The full list of codes is on Errors. If something else is going on, see Troubleshooting by Symptom.