# 503 busy

**Service busy**

The service is temporarily contended. Retry after the delay given by Retry-After.

- HTTP status: 503
- Problem identifier (`type` field): `https://developer.noryo.app/errors/busy`

[← Errors — Merchant API](https://developer.noryo.app/en-GB/errors)

---

Canonical page: https://developer.noryo.app/en-GB/errors/busy