# Files

## Upload a file

> Upload a file at the workspace level. Once used in a submission it\
> cannot be reused. Send raw binary as the body with the correct\
> \`Content-Type\` header.<br>

```json
{"openapi":"3.0.3","info":{"title":"Daxium Air API","version":"v1.3"},"tags":[{"name":"files"}],"servers":[{"url":"https://api.daxium-air.com","description":"Production"}],"security":[{"BearerAuth":[]}],"components":{"securitySchemes":{"BearerAuth":{"type":"http","scheme":"bearer"}},"parameters":{"AppShort":{"name":"app_short","in":"path","required":true,"description":"Short name of the workspace instance (e.g. `daxium-test`)","schema":{"type":"string"}}},"schemas":{"FileUploadResponse":{"type":"object","properties":{"uuid":{"type":"string","format":"uuid","description":"Reference this UUID in submission fields of type image/signature/file"},"mime-type":{"type":"string"},"size":{"type":"integer","description":"File size in bytes"}}}}},"paths":{"/{app_short}/files/upload":{"post":{"summary":"Upload a file","description":"Upload a file at the workspace level. Once used in a submission it\ncannot be reused. Send raw binary as the body with the correct\n`Content-Type` header.\n","tags":["files"],"operationId":"uploadFile","parameters":[{"$ref":"#/components/parameters/AppShort"}],"requestBody":{"required":true,"content":{"application/octet-stream":{"schema":{"type":"string","format":"binary"}}}},"responses":{"200":{"description":"File uploaded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/FileUploadResponse"}}}}}}}}}
```

## Download an error file

> Returns the error file generated by a background worker.

```json
{"openapi":"3.0.3","info":{"title":"Daxium Air API","version":"v1.3"},"tags":[{"name":"files"}],"servers":[{"url":"https://api.daxium-air.com","description":"Production"}],"security":[{"BearerAuth":[]}],"components":{"securitySchemes":{"BearerAuth":{"type":"http","scheme":"bearer"}},"parameters":{"AppShort":{"name":"app_short","in":"path","required":true,"description":"Short name of the workspace instance (e.g. `daxium-test`)","schema":{"type":"string"}}}},"paths":{"/{app_short}/files/download_errors/{worker_unique_id}":{"get":{"summary":"Download an error file","description":"Returns the error file generated by a background worker.","tags":["files"],"operationId":"downloadErrorFile","parameters":[{"$ref":"#/components/parameters/AppShort"},{"name":"worker_unique_id","in":"path","required":true,"description":"Unique worker identifier (UUID)","schema":{"type":"string","format":"uuid"}}],"responses":{"200":{"description":"Binary file content","content":{"application/octet-stream":{"schema":{"type":"string","format":"binary"}}}}}}}}}
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://www.center.daxium-air.com/api-reference/files.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.