> For the complete documentation index, see [llms.txt](https://valify.gitbook.io/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://valify.gitbook.io/documentation/references.md).

# References

### Error Message Language

By default, error messages returned by service APIs are in English. You can change the language by setting the 'lang' field in the Service API request. Below are the languages currently supported:

| Language | Code |
| -------- | ---- |
| English  | en   |
| Arabic   | ar   |

### Document Types

Some service APIs require you to provide a document type in each request. The following are the available document types for each service API

| Service         | Document Type        | Code     |
| --------------- | -------------------- | -------- |
| Data Extraction | Egyptian National ID | egy\_nid |
|                 |                      |          |
| Sanction List   | Egyptian National ID | egy\_nid |
|                 | Passport             | passport |

### Sanction List Types

The following table lists the sanction lists available through our service:

| Sanction List Type    | Code |
| --------------------- | ---- |
| Central Bank of Egypt | cbe  |