HTTPCodeMeaning
400INVALID_OFFERThe request, query, or body is invalid.
401INVALID_API_KEYThe Bearer API key is missing or invalid.
402INSUFFICIENT_BALANCEThe wallet does not have enough balance.
404ORDER_NOT_FOUNDThe requested resource does not exist.
409CANCEL_NOT_AVAILABLEWait until cancel_available_at, then retry if can_cancel is true.
409OUT_OF_STOCK / OFFER_EXPIREDRefresh prices or choose another offer.
429RATE_LIMITEDWait for Retry-After before trying again.
503MAINTENANCENew purchases are paused; existing orders can still be checked, cancelled, or finished.
503SERVICE_UNAVAILABLETemporary upstream or platform interruption.
{
"error": {
"code": "OUT_OF_STOCK",
"message": "No numbers are currently available.",
"retryable": false
}
}