Document undocumented APIs

### What

```[tasklist]
### Document undocumented APIs
- [ ] https://world.openfoodfacts.org/cgi/countries.pl
- [ ] https://world.openfoodfacts.org/cgi/nutrients.pl
- [ ] List what the various external APIs are able to do (image validation for robotoff, autosuggest for search-a-licious, etc-
- [ ] Create a document with missing APIs and matching issues
- [ ] Create a document with known issues
- [ ] Create an API roadmap and deprecation timeline
- [ ] Document moving a product to OxF
- [ ] Document moving an image to OxF
- [ ] Document sending the version and name of your app next to https://openfoodfacts.github.io/openfoodfacts-server/reference/api-tutorials/adding-missing-products/#adding-a-comment-to-your-write-request
- [ ] Add valid taxonomies to https://openfoodfacts.github.io/openfoodfacts-server/api/ref-v2/#get-/cgi/suggest.pl just like in the sort_by values in the search reference
- [ ] Document the Product taken off the market api
- [ ] Document the "Photos and data checked" API
```


Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Document undocumented APIs #10332

teolemon
openedon May 20, 2024

What