> ## Documentation Index
> Fetch the complete documentation index at: https://ailabtools.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Facial Landmarks - 72 feature points

> Locate key points for faces in pictures and return the commonly used 72, 150, 201 face key point coordinate positions, including face outline, eyes, eyebrows, lips and nose outline, etc., which can be applied to beauty shooting, video stickers and other scenarios to enrich user play.

* 72 key points schematic diagram
  ![72 key points schematic diagram](https://img.ailabtools.com/rapidapi/KeyPointsOfHumanFace/72.png)
* Corresponds to the order of `landmark72` points, with serial numbers from 0-71.

| Serial number | Field                        |
| :------------ | :--------------------------- |
| `0`           | `cheek_right_1`              |
| `1`           | `cheek_right_3`              |
| `2`           | `cheek_right_5`              |
| `3`           | `cheek_right_7`              |
| `4`           | `cheek_right_9`              |
| `5`           | `cheek_right_11`             |
| `6`           | `chin_2`                     |
| `7`           | `cheek_left_11`              |
| `8`           | `cheek_left_9`               |
| `9`           | `cheek_left_7`               |
| `10`          | `cheek_left_5`               |
| `11`          | `cheek_left_3`               |
| `12`          | `cheek_left_1`               |
| `13`          | `eye_right_corner_right`     |
| `14`          | `eye_right_eyelid_upper_2`   |
| `15`          | `eye_right_eyelid_upper_4`   |
| `16`          | `eye_right_eyelid_upper_6`   |
| `17`          | `eye_right_corner_left`      |
| `18`          | `eye_right_eyelid_lower_6`   |
| `19`          | `eye_right_eyelid_lower_4`   |
| `20`          | `eye_right_eyelid_lower_2`   |
| `21`          | `eye_right_eyeball_center`   |
| `22`          | `eyebrow_right_corner_right` |
| `23`          | `eyebrow_right_upper_2`      |
| `24`          | `eyebrow_right_upper_3`      |
| `25`          | `eyebrow_right_upper_4`      |
| `26`          | `eyebrow_right_corner_left`  |
| `27`          | `eyebrow_right_lower_3`      |
| `28`          | `eyebrow_right_lower_2`      |
| `29`          | `eyebrow_right_lower_1`      |
| `30`          | `eye_left_corner_right`      |
| `31`          | `eye_left_eyelid_upper_2`    |
| `32`          | `eye_left_eyelid_upper_4`    |
| `33`          | `eye_left_eyelid_upper_6`    |
| `34`          | `eye_left_corner_left`       |
| `35`          | `eye_left_eyelid_lower_6`    |
| `36`          | `eye_left_eyelid_lower_4`    |
| `37`          | `eye_left_eyelid_lower_2`    |
| `38`          | `eye_left_eyeball_center`    |
| `39`          | `eyebrow_left_corner_right`  |
| `40`          | `eyebrow_left_upper_2`       |
| `41`          | `eyebrow_left_upper_3`       |
| `42`          | `eyebrow_left_upper_4`       |
| `43`          | `eyebrow_left_corner_left`   |
| `44`          | `eyebrow_left_lower_3`       |
| `45`          | `eyebrow_left_lower_2`       |
| `46`          | `eyebrow_left_lower_1`       |
| `47`          | `nose_right_contour_1`       |
| `48`          | `nose_right_contour_2`       |
| `49`          | `nose_right_contour_3`       |
| `50`          | `nose_right_contour_4`       |
| `51`          | `nose_right_contour_6`       |
| `52`          | `nose_left_contour_6`        |
| `53`          | `nose_left_contour_4`        |
| `54`          | `nose_left_contour_3`        |
| `55`          | `nose_left_contour_2`        |
| `56`          | `nose_left_contour_1`        |
| `57`          | `nose_tip`                   |
| `58`          | `mouth_corner_right_outer`   |
| `59`          | `mouth_lip_upper_outer_3`    |
| `60`          | `mouth_lip_upper_outer_6`    |
| `61`          | `mouth_lip_upper_outer_9`    |
| `62`          | `mouth_corner_left_outer`    |
| `63`          | `mouth_lip_lower_outer_9`    |
| `64`          | `mouth_lip_lower_outer_6`    |
| `65`          | `mouth_lip_lower_outer_3`    |
| `66`          | `mouth_lip_upper_inner_3`    |
| `67`          | `mouth_lip_upper_inner_6`    |
| `68`          | `mouth_lip_upper_inner_9`    |
| `69`          | `mouth_lip_lower_inner_9`    |
| `70`          | `mouth_lip_lower_inner_6`    |
| `71`          | `mouth_lip_lower_inner_3`    |