TMCnet Feature
September 24, 2021

Why do you need to use email validation API?

Anyone who works with data is aware of the need to validate it as it is entered by the user. Basic validation guarantees that the data is not empty and within the anticipated length and validates the format. Only specific types of data, such as dates and times, phone numbers, and, of course, email addresses, need the last point.

In order to conduct a more thorough validation, the words validate and verify must be separated. Checking to see whether an email address exists and matches a mailbox on a properly configured server is known as validating an email address.

Let's look at a simple example to see why verification is necessary: the email address is acceptable in terms of length and format, but it's unlikely to pass the verification since there is no mailbox with that address.

The significance of really confirming an email address rather than simply validating its format

In the event that a user makes a mistake while registering on your website and does not get a confirmation email, the user will assume that your website is broken and leave registration without completing it.

Even worse, if you send emails to mailing lists with invalid email addresses on a regular basis, your domain name will be flagged as a spam domain and subject to penalties, making all your future emails undeliverable.

For this reason, validating an email address is critical if you want to increase the effectiveness of your email address-related efforts and grow your company.

How to check an email address's validity and veracity

Only a small number of criteria should be used to validate an email address. The RCF 2822 states that the email box name (the part before the @) may include any characters, including spaces. The domain name (the part following the @) doesn't need to have a dot in it, though.

However, a far more complicated mechanism is needed for verification. If the domain name does not exist, then the email validation API script will fail. Additionally, it must query the DNS entries and ensure that the MX records include the domain's email server addresses, which are indicated by the MX fields. Check that the SMTP servers exist and are operational by using these addresses. When there is an efficient and free online service that handles all of this, implementing it on your own may be a waste of effort.

Here's how to authenticate and verify an email address without having to go through any hassle.

The service is lightning-fast and may be queried with a single GET request. The email address format, domain setup, and existence of an SMTP server are all checked by EmailOversight. It will also tell you whether the email address was obtained from a temporary email provider, which is useful information to have before agreeing to create a new user account.

Email validation API

What is an API?

Applications may communicate with one another without the need for a human to intervene via an application programming interface (API). API is a set of software functions and processes. API is a slang word for a piece of executable or accessible software code. API is a code that facilitates communication and data exchange between two distinct software applications.

It allows goods and services to interact with one another without requiring the user to understand how the other products and services work.

What would be the purpose of an API?

Reasons to use API include the following:

Abbreviation for Application Programming Interface APIs allows two distinct programs to interact and share data.

It makes it easier to include information from any website or application.

APIs have access to app components. The way services and information are delivered more adaptable now.

The content that is produced may be automatically published.

It enables an individual or a business to personalize the information and services that they utilize the most often.

APIs aid in anticipating future changes in software, which is a constant throughout the software development lifecycle.

API's Specifications

The following are some notable API characteristics:

It's an excellent service (data, function, audience,.).

It aids in the formulation of a company strategy.

Simple, adaptable, and widely used.

Controlled and measurable

Provides first-rate assistance to software developers.

APIs of many kinds

Generally speaking, APIs fall into one of four categories:

Open APIs are APIs that are accessible to the general public, such as the OAuth APIs provided by Google (News - Alert). Furthermore, there are no limitations on how you may utilize them. As a result, they're also known as Open APIs.

APIs for partners: These APIs can only be accessed by those who have certain permissions or licenses to use them.

APIs that are only accessible from inside a company's network: sometimes known as private APIs. Companies create these APIs for usage inside their own systems. It aids in enhancing the output of your teams.

Application of the API

API (which stands for Application Programming Interface) has a number of useful applications.

Drive Traffic / Distribute Batches.

Relatively large footprints may be expanded.

Development of New Functionality

Analyze brand-new business models to see what works.

Obtaining Information Modernize your company's model.

Distribution of internal content and innovation throughout the company.

What are Web APIs?

The term "Web API" refers to an application programming interface that may be used with a web server or a browser.

Server-side APIs are the most common kind of Web API. APIs on the client-side

1. Server-side:

It's a programmatic interface consisting of one or more publicly accessible endpoints to a specified request-response message system that's implemented on the server. It's usually represented as a JSON or XML document.


A client-side web API is a programmatic interface that aids in the expansion of functionality inside a web browser or other HTTP client.


An API is an Application Programming Interface in its fullest form.

As a software code definition, an API is one that facilitates communication and data exchange between two distinct pieces of software.

API aids in the development of a business strategy.

There are five different kinds of APIs: 1) Open API 2nd-Party API 3) APIs found only inside the system 4) APIs at the high and low levels

The term "Web API" refers to an application programming interface that may be used with a web server or a browser.

Web APIs may be divided into two categories: public and private. 1) API on the server APIs that are available to users

1) Postman is a widely used API testing tool. Ping API, vRest, and a URL scheme

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