# Limits {% hint style="success" %} If you are using [Enterprise Plan](https://blynk.io/pricing), the limits below can be increased. Contact your support engineer. {% endhint %} ### HTTPS API Limits Max request size: 2 MB (headers + request body) Max number of file uploads (product/organization logos) per user per day: 0 Free / 50 PRO Max number of **Export Data** calls (`/external/api/data/get`) per device per day (both UI and HTTPS API export): 10 Max number of the **Update** requests (`/external/api/update`) per device per day: 500,000 ### Device Template Limits These are limits that apply to a each device template:

Feature	FREE	PRO
Datastreams	50	200
Events	5	100
Metadata fields	5	20
Additional device dashboard pages in Blynk.Console	-	3
Additional pages in Blynk.apps	-	20 pages total (among them max 7 device Info tabs, 1 welcome page)
Tabs in Tabs widget in Blynk.apps	-	20

``` Limitations ``` ### Assets | Feature | Details | | -------------------------- | ------------------------------- | | **Supported formats** | `.png`, `.jpg`, `.jpeg`, `.ico` | | **Max files per upload** | 50 files | | **Max file size** | 5 MB per file | | **Storage per template** | 200 MB | | **Max files per template** | 1,000 files | | **Max file name length** | 1,000 characters | ### Organization Limits These are limits that apply to any organization (that includes all it's sub-organizations):

Feature	FREE	PRO
Templates	10	50
Devices	5	50
Device messages	100,000/month	Unlimited
Automations per sub-organization	5	50
Actions per automation	5	50
Automation push/emails per hour	20	20
Users	1	50
Sub-organizations	-	200
Levels of sub-organizations hierarchy	-	4
Blynk.Air shipments (campaigns)	2	25
Locations	2	50
Webhooks	1	100
Total file uploads (logos, etc.)	0	50

Max logo image size: 4096x2048 pixels Report file expiration time: 45 days Max user invites per day: 25 invites ### Tags Limits Max number of tags per organization: 20 Max number of tags per device: 5 Max number of tags per user: 5 ### Webhooks Limits Max response size: 16 KB Max URL length: 1024 chars Max body size: 5 KB Max number of Webhooks per organization: 1 for Free, 100 for PRO plan. requestsLimit rate: 10 request per minute per webhook ### Hardware Max number of events per day per device (`Blynk.logEvent`): 100 events Min interval between events of the same type: 1 second Min interval between notification messages (push notifications/emails/SMS): 5 seconds Max number of requests per device: 50 requests/second Max number of data points per device per day you can import into the device: 10,000 points Max length of the string value: 1024 bytes ## UI The maximum number of real-time updates on the web/app can accept - 20 commands per second