Errors

The Ad Placement API can return the following response codes:

Code	Description	Explanation
400	Bad Request	Indicates that the data sent is incorrectly formatted.
200	OK	This indicates that either the request is correct or there are some zones which could not be found. The response will tell you which zones these are.
500	Internal Error	Indicates that an internal error happened but the cause is unknown. Contact your Account Manager or Customer Success for help.

400 Error Messages

Message	Explanation
Malformed JSON Body	Syntax error
Unsupported Request Type	Wrong request verb used
This field is missing	A compulsory field is missing
This field was not expected	A non-recognized parameter was added to the request
This value should be of type X	Wrong format used for a specific parameter

400 Error Example

Request:

{
    "user": {
        "testing": false
    },
    "zones": [
        {
            "id": "12345"
        }
    ]
}

Response:

{
    "errors": [
        {
            "[user][ua]": "This field is missing."
        },
        {
            "[user][testing]": "This field was not expected."
        },
        {
            "[zones][0]": "[id] This value should be of type int."
        }
    ]
}

200 Error Messages

Message	Explanation
Zone id not found	The zone id cannot be found OR the domain of the endpoint doesn't correspond to the requested ad format
Zone or site not valid	The zone or Publisher is blocked.

200 Error Example

In this example, we have requested ads for multiple zones and some of them returned errors.

Request:

{
    "user": {
        "ip": "179.127.135.233",
        "ua": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:81.0) Gecko/20100101 Firefox/81.0"
    },
    "zones": [
        {
            "id": 1
        },
        {
            "id": 2
        },
        {
            "id": 3
        }   
    ]
}

Response:

{
    "zones": [
        null,
        {
            "idzone": 2,
            "type": "banner",
            "data": {
                "url": "https://main.example.rocks/click.php?data=H4sIAAAAAAAAA0WPO27DQAxEr.LG7YK__bBMk8ZFzrArrZAiQQLYgFzM4UNZRUCCIMjhw_ACI69SHNYIn4_H7_2qb1d5j9z3Pc1nX.9p.fkGQAAXUvGj4n_D1RNLTaw5iSpgVoQbcbCV2CsytZgyNACBCZASPSUTOAIsSQ1qlFsOVWXeNKDDZ1cuS56j5o1Gtz7K1BonhPHVI09nB_GC1_gMtcwcTl4dHd8dIqdT2k6h4eOG5kK1.7Kts.ncyuijs64unlerZf4BvX2zxCABAAA-",
                "impression": "https://syndication.example.rocks/cimp.php?t=imp&api=1&data=H4sIAAAAAAAAAzVPSW4DMQz7Sj8wBrV5ya1FX9CiD7An9qlFD73MQY+PkmlEG5ZMwqQZjI2wMb0QLpovKk6lJeKSSCyxiL99vLqSz6Nf/9L+++MqrFKeRy3aqrlCQK24oUbfCufmqpmpgpyyiyMgCqsWr8WQtHqBf32+P3aonF2Agw3R320pRJyQyBtc4xJHUJxEvRAtiaijzS6Ud5uj2MLo2keekevuMb57rEdonEj4p54QNaL45UbngHvwKPiDjqqnPPKpwstqmHNera9OZe053DCHrdGXGPUbbttiKlIBAAA=",
                "image": "https://static.example.rocks/library/432437/42ec0144a74a1663f2973ad3070234f8e5633855.jpg"
            }
        },
        null
    ],
    "errors": {
        "0": [
            "Zone 1 not found"
        ],
        "2": [
            "Zone 3 not found"
        ]
    }
}

zones.data null

Very rarely, an ad zone request will return a correct response, but the data field will be null. This means that the system found no ads to satisfy the given request given user locale, browser etc.