API error code

RUP-BIL-400-BUYER_REQUIRED

Buyer name, email and phone are required for monthly payments.

HTTP status: 400
Area: Plans and billing

Description

English: Buyer name, email and phone are required for monthly payments.
Turkish: Aylık ödeme için alıcı adı, e-posta ve telefon gerekli.

Example response

HTTP 400 · application/problem+json

{
  "type": "https://rintup.com/docs/errors/RUP-BIL-400-BUYER_REQUIRED",
  "title": "Buyer name, email and phone are required for monthly payments.",
  "status": 400,
  "code": "RUP-BIL-400-BUYER_REQUIRED",
  "traceId": "…"
}

How to handle it

This is a client error: the request will fail the same way if it is sent again unchanged. Fix the request, the key or the account state first.

Branch on the code field, not on the title: code never changes, while title follows the Accept-Language header (Turkish or English). Include traceId when you contact support.