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, firmware for shipment, data import) per user per day: 10 Free / 25 Maker / 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	MAKER	PRO
Datastreams	5	20	200
Widgets per page in Blynk.Console	10	80	255
Widgets per page in Blynk.Apps	10	80	255
Events	5	10	100
Metadata fields	5	10	20
Additional device dashboard pages in Blynk.Console	-	-	3
Additional device dashboard pages in Blynk.apps	-	-	20
Additional device info tabs in Blynk.apps	-	-	5

Organization Limits

These are limits that apply to any organization (that includes all it's sub-organizations):

Feature	FREE	MAKER	PRO
Templates	3	10	50
Devices	2	10 or 20	40, 100 or 500
Automations per sub-organization	5	25	50
Actions per automation	5	25	50
Automation push/emails per hour	20	20	20
Users	5	10	100
Sub-organizations	-	-	200
Levels of sub-organizations hierarchy	-	-	4
Blynk.Air shipments (campaigns)	2	10	25
Locations	2	10	50
Webhooks	1	10 or 20	40 or 100
Total file uploads (firmware, logos, data import)	10	25	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, 10 for Maker (10 devices), 20 for Maker (20 devices), 40 for PRO (40 devices), 100 for PRO plan (100 devices).

Limit rate: 1 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