Limits

What are the limits to use Blynk platform features

If you are using Business or Enterprise Plan, the limits below can be increased. Contact your support engineer.

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	20	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	10	50, 200, or 500
Devices per template	1	Multiple
Device messages	30,000	Unlimited
Automations per sub-organization	5	50
Actions per automation	5	50
Automation push/emails per hour	20	20
Users	1	50, 200, or 500
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.

Limit 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