Response with list of allowed items substitutions

The request didn't work, often because a required parameter is missing or the content-type hasn't been set e.g. an incorrect JSON request

The request didn't work because the combination of your API key and API token doesn't exist in our system or your integration has been disabled

Order with that ID was not found in our systems.

Too many requests. Rate limit of 1 request / 30 seconds / 1 order is exceeded

Something went wrong on our end. You'll have to try again later once we've fixed it.