> For the complete documentation index, see [llms.txt](https://docs.esimpay.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.esimpay.net/api/zagolovki.md).

# Заголовки

| Заголовок        | Описание                                   |
| ---------------- | ------------------------------------------ |
| `CF-MERCHANT-ID` | Идентификатор мерчанта                     |
| `CF-ACCESS-SIGN` | Подпись HMAC-SHA256 (см. `/customer/sign`) |