Error reference

invalid_language

A language filter value is not a valid ISO-639-1 code.

HTTP 400invalid_requestNot retryable0 credits

HTTP 400error.type = invalid_request

How to fix it

Use a two-letter ISO-639-1 language code (e.g. en).

Example response

400 invalid_request

// HTTP 400
{
  "error": {
    "type": "invalid_request",
    "code": "invalid_language",
    "message": "A language filter value is not a valid ISO-639-1 code.",
    "param": null,
    "requestId": "req_…",
    "creditsCharged": 0,
    "retryable": false,
    "docUrl": "https://scoutingapi.com/docs/errors/invalid_language"
  }
}

This error is free

Like every ScoutingAPI error, invalid_language returns creditsCharged: 0. You are never billed for a failed, empty, blocked or not-found call.

See the full error catalog or the response envelope. The canonical URL for this page is https://scoutingapi.com/docs/errors/invalid_language.