# Uploads

Firmware file upload endpoints

## Upload firmware

> Upload a firmware binary file to the server.\
> \
> The file type is determined by the \`type\` form field:\
> \
> \- \`FIRMWARE\` — OTA firmware binary (\`.bin\`, \`.zip\`, \`.tar\`, \`.gz\`, \`.hs\`, \`.xz\`, \`.bz2\`, \`.tar.gz\`, \`.ota.bin.gz\`, \`.bin.gz\`, \`.bin.hs\`, \`.yml\`, \`.yaml\`)\
> \
> The maximum file size is 10 MB.\
> \
> \*\*Authentication:\*\* Use an OAuth2 Bearer token in the \`Authorization\` header.<br>

```json
{"openapi":"3.0.3","info":{"title":"Blynk Platform API","version":"1.0.0"},"tags":[{"name":"Uploads","description":"Firmware file upload endpoints"}],"servers":[{"url":"https://{server_address}","description":"Blynk Server","variables":{"server_address":{"default":"blynk.cloud","description":"Your Blynk server domain"}}}],"security":[{"bearerAuth":[]}],"components":{"securitySchemes":{"bearerAuth":{"type":"http","scheme":"bearer","bearerFormat":"JWT","description":"OAuth2 Bearer token obtained from authentication endpoint"}},"schemas":{"ErrorResponse":{"type":"object","properties":{"error":{"type":"object","properties":{"message":{"type":"string","description":"Error message"}},"required":["message"]}},"required":["error"]}}},"paths":{"/api/upload":{"post":{"tags":["Uploads"],"summary":"Upload firmware","description":"Upload a firmware binary file to the server.\n\nThe file type is determined by the `type` form field:\n\n- `FIRMWARE` — OTA firmware binary (`.bin`, `.zip`, `.tar`, `.gz`, `.hs`, `.xz`, `.bz2`, `.tar.gz`, `.ota.bin.gz`, `.bin.gz`, `.bin.hs`, `.yml`, `.yaml`)\n\nThe maximum file size is 10 MB.\n\n**Authentication:** Use an OAuth2 Bearer token in the `Authorization` header.\n","operationId":"uploadFile","requestBody":{"required":true,"content":{"multipart/form-data":{"schema":{"type":"object","properties":{"upfile":{"type":"string","format":"binary","description":"The firmware file to upload"},"type":{"type":"string","enum":["FIRMWARE"],"description":"Upload file type. Must be `FIRMWARE`."}},"required":["upfile"]}}}},"responses":{"200":{"description":"File uploaded successfully. Returns the server path to the uploaded file.","content":{"application/json":{"schema":{"type":"string"}}}},"400":{"description":"Bad request — invalid or missing file data","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"403":{"description":"Forbidden — authentication failed, plan does not support uploads, or upload limit reached","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"429":{"description":"Too many requests"},"500":{"description":"Internal server error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}}}}}}}
```


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