Errors / price_changed

The price changed

HTTP 409invalid_requestprice_changed

The monthly cost is not what you confirmed.

What to do

The message names the new price. Nothing has been charged — send the request again with confirm_monthly_cost set to the new figure if you still want it. We refuse rather than charge the new price quietly, because a recurring charge nobody knowingly agreed to is the one billing complaint that is always justified.

What it looks like

{
  "error": {
    "type": "invalid_request",
    "code": "price_changed",
    "message": "…",
    "doc_url": "https://docs.textmast.com/errors/price_changed",
    "request_id": "req_01j8xk2p7n4qc3m9v0wz5bt6ay"
  }
}

Quote the request_id if you get in touch. It is on every response, including this one, and it turns a support email into a single log query rather than an archaeology exercise.