how many messages can I send with google cloud messaging per day - google-cloud-messaging

How many messages can I send using google cloud messaging from my application per day to all registered devices.
Is there any limit per application per day ?
Thanks

Related

Use whatsapp business cloud api to send messages to groups you are listed in

We are using the official whatsapp business cloud api (with Make).
We are wondering if there is any chance we can send messages to groups we are list in?
I could not found any documentation about it.
Thanks!

Firebase Cloud Messaging sending messages one by one

I am developing an app where I want to send notifications to multiple users from my backend server. These notifications will contain 4 different contents, three of them will go to 3 different users, but the forth one will go to more than 1000 users, the frequency of theses messages will be 3 to 7 times a week. Is it ok to send this amount of messages one by one using the Cloud Messaging api? Or should I group the messages before sending?
I thought about creating a topic in the Cloud Messaging, and subscribe the users to it and then send a message, but I don't if it is correct to keep subscribing/unsubscribing users just to send one message.
NOTE: I've never used any push notifications service before.
The Firebase Cloud Messaging infrastructure delivers billions of messages per day. The volume you're describing sounds well within reason for it.
Without knowing more about the use-case it's hard to say whether using a topic would be a better approach, so I recommend reading the documentation on topic messages to get a better understanding for it.

Sending multiple messages with twilio

I have tried to send WhatsApp messages by twilio as notifications.
Does WhatsApp or Twilio have a limit amount of messages sent per second?
Is there any problem or additional cost if I send URL's in those messages?
I have a whatsapp business account.
Twilio developer evangelist here.
Twilio currently supports sending up to 25 messages per second through WhatsApp. If messages are sent at a rate higher than 25 MPS, Twilio maintains a queue. For very high outbound message volumes, messages can remain queued for up to 4 hours.
To achieve higher MPS, you can use Messaging Services. This allows you to distribute high volume across many WhatsApp senderes within the Messaging Service.

Whatsapp Business API Groups

What are the restrictions for whatsapp Business API Groups.
Can I send messages all the time, or are these messages also restricted by the 24hr session time.
How many groups can I create, could I e.g. create 100 groups, 1 for every person attending some event?
Is there anywhere I can find the pricing for creating these groups?
From WhatsApp API FAQ
Can I send any message to any user at any time?
No.
If a user contacts an enterprise, the enterprise can respond with any type of message in the next 24 hours. This type of message is free.
But if the enterprise is contacting a user before the user sends a message or after more than 24 hours have passed, the enterprise can only send a message template. This is a paid notification.
Free-form text messages and media messages will not work outside this 24 hour window. They will result in a failure callback with error 470.
How many messages per second can I send?
The maximum tested outbound message rate is 20 messages per second.

Gmail API sending limits

I saw in some articles that the sending limit for gmail is:
*500 per day if we send by website
*100 per day if we send by pop/imap application
My questions are:
1.- The "100 per day" limit its also for an vb net apps that we can make?
2.- How many mails can be send using gmail API (or how many recipients)?
3.- How can I extend the limit with a FREE account?
Regards.
Based on the Usage Limits page of the Gmail API documentation, we have about 1,000,000,000 quota units per day for Daily Usage and 250 units/user/second rate limit.
All method transactions have allocated quota units, if we're specifically looking at the send method (either from drafts/messages), it will cost us 100 units.