廃止済み（410・カタログ経路を返す）
POST/v1/stripe/checkout
廃止済み（410・カタログ経路を返す）
Responses
- 200
- 400
- 401
- 429
- 500
OK
400 — code: invalid_json / invalid_parameter / invalid_prefix / prompt_required / quality_not_priced / size_not_priced / text_required / text_too_long / unknown_character / unsupported_format / unsupported_parameter
401 — code: invalid_user_token / not_authenticated / unauthorized
429 — code: ip_daily_cap / rate_limited / user_daily_cap
500 — code: internal_error