invalid_api_key
HTTP 401 · authentication_error
The API key is wrong, revoked, or does not exist.
You are not charged for this error. JustAPI only ever bills a completed job whose output was smaller than its input — never a request that failed, regardless of whose fault it was.
What to do
Check the key.
Response shape
{
"error": {
"code": "invalid_api_key",
"message": "<details for this specific request>",
"type": "authentication_error",
"doc_url": "https://justapi.tech/docs/errors/invalid_api_key/",
"request_id": "req_..."
}
}