Error reference

missing_parameter

A required parameter is absent (e.g. checkOut given checkIn).

HTTP 400invalid_requestNot retryable0 credits

HTTP 400error.type = invalid_request

How to fix it

Add the missing parameter named in error.param and retry.

Example response

400 invalid_request

// HTTP 400
{
  "error": {
    "type": "invalid_request",
    "code": "missing_parameter",
    "message": "checkOut is required when checkIn is provided.",
    "param": "checkOut",
    "requestId": "req_…",
    "creditsCharged": 0,
    "retryable": false,
    "docUrl": "https://scoutingapi.com/docs/errors/missing_parameter"
  }
}

This error is free

Like every ScoutingAPI error, missing_parameter 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/missing_parameter.