1. First we register an account on the sms77 website, if you already have problems at this stage, I do not recommend reading further, there are too many letters

    https://www.sms77.io/

  2. In the menu on the left, select “New SMS”

Sender id — The name of the sender, you can enter any name, however, in many countries, the message will come with a different name (INFO or SENDER), everything goes smoothly to Ukraine, but trouble with Russia
Recipient — Recipient’s phone number, you can enter it in any format, the service will correct everything for you
Message — Directly the text of the message

Go to the menu on the right

SMS type — Just one item, I do not recommend using it, it is absolutely useless in the 21st century
Time to send — You can send a message later, for example tomorrow
Interval — Send messages constantly with some delay. Craftsmen will be able to design a bomber on this SMS (probably)
Label — In the send panel, the message will have some name, useful only for your convenience
Performance tracking - tracking the number of clicks on links inserted in messages

Below there is different information about the message being sent:
▪️Number of characters
▪️Number of SMS (if it does not fit into one),
▪️Number of remaining characters
▪️Number of recipients and cost of the message

That’s all related to sending messages, let’s move on to other functions of the site

Number validation — Number validation, there are different types. Free checks exclusively by mask and operator, as I understand it. The rest, check for the actual existence of the number.

https://www.sms77.io/en/products/number-validation/

The main advantage of the site: API
A very important thing.
You can create your own project for sending messages and make money on it. You can also embed it in your scam projects. — https://www.sms77.io/en/docs
There are webhooks, which is also important during development. — https://www.sms77.io/de/docs/gateway/http-api/webhooks/

Thanks for reading, I hope it will be useful for you

Credit - scarlett’s lounge

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what kind of email does it support? tried gmail outlook temp email and give bounced email or invalid email

    CalvinWilliams I tried in chrome incognito mode and normal and rejected or emia linvalido with real non-temporary gmail