Keyword can't be more than 255 characters

The Synup API returns SY20202 in the errors array when this happens.

What the response looks like

{
  "data": null,
  "errors": [
    {
      "message": "Keyword can't be more than 255 characters",
      "context": {},
      "code": "SY20202"
    }
  ]
}

Where it comes from

Documented under Rankings. The context field carries the offending value when one is relevant, and is empty otherwise.

See the full error code reference for every code the API can return.

Other Rankings errors