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Request Blocked

Understand the SumUp API Request Blocked response, common causes, and example payload for requests blocked by security policy.

Indicates that the request was blocked before it reached the SumUp API service. This can happen when a security policy, firewall rule, or traffic protection rule rejects the request.

Common Causes

Section titled “Common Causes”
  • The request matched a security or firewall rule.
  • The request came from a blocked IP address, country, or network.
  • The request pattern looked automated, abusive, or otherwise unsafe.
{
  "type": "https://developer.sumup.com/problem/request-blocked",
  "title": "Request blocked.",
  "status": 403,
  "detail": "The request was blocked by security policy.",
  "trace_id": "8cb5b380896b"
}

When contacting support, include the trace_id or ray_id value from the response, whichever is available, so we can trace the failed request.