Top 10 Best Spam APIs & Alternatives (2021)

The API helps users get spam scores by detecting blacklisted emails, adult content, spam words and malware advertisements. It is fitted with the latest machine learning technologies with trained models for detecting spam.

The API blocks unwanted IP addresses from blacklisted domains and emails. It also has spam word pattern detection, which assists in flagging fake ads and email content.

Oopspam Filter has a language outlier detection algorithm to ensure users apply the right language within websites. It also has advanced content analysis tools and allows users to add country restrictions and other desired custom rules.

Pricing

Basic Plan - This spam API free version has limits of 40 requests per month.

Pro plan - This tier costs $19/month for 30000 calls. Any extra query attracts a $0.006 charge.

Ultra plan - This plan costs $29/month for 50000 requests. The overage price is $0.005 for each query.

Mega plan - The plan costs $49/month for 90000 calls. Any additional request is priced at $0.004.

The API helps users to get spam scores by detecting blacklisted emails and other desired custom rules. This API delivers real-time intelligence on the validity, reachability and roaming status of a phone number. It shows you and how to format a number correctly in your web or mobile application.

Additionally, the API shows the country of origin and carrier of a phone number. The standard and advanced versions give users the ability to check the type of the number and risk associated with it.

Pricing:

Basic version: This plan is free for unlimited basic calls. Standard requests cost $0.006 per query. Advanced requests get a $0.036 per call. The Cnam calls cost $0.012 each.

Created by Verimail, this API helps check the validity of email addresses to reduce bounce rates and increase email delivery. This API uses the REST framework and supports JSON, XML and CSV data interchangeable formats.

The Verimail API removes syntax errors, duplicates, and invalid domains. Additionally, it conducts an SMTP verification, corrects common typos such as gmal.com, and detects catch-all and disposable addresses. It also has anti-greying technology to ensure real-time list verification of CSV uploads.

Pricing:

Basic Plan - Grants spam API free service for 100 requests.

Pro plan - This plan costs $5 per month for 1000 calls.

Ultra plan - It costs $25 for 10000 requests per month.

Mega plan- This tier costs $125 for 100000 queries per month.

It contains a database for domain name systems tools. This information enables the users to obtain information about websites and IP addresses. ViewDNS is a Restful API that uses JSON and XML as its main response formats. The API also serves as the source of portscan, tools for DNS, pagerank and reverse ip.

Pricing:

The API is free and has unlimited requests.

Features: It cleans and organizes emails by categories while eliminating emails that may affect your score. The users can use the API to retrieve information that is useful and validation of email addresses.

The information retrieved includes the type of the email address, any vulgar languages and the geographic locations. Get email information API allows the users to identify any errors with the syntax.

Pricing:

Basic plan -This plan is free and allows for up to 25 requests a month.

Pro plan - The plan allows for 1000 requests and costs $10 a month.

Ultra plan - This plan goes for $100 a month and allows for 20000 requests.

Mega plan - This plan has 500000 requests and costs $1000 a month.

Veriphone is a Restful API that uses JSON data format. It allows programs and web browsers to use stateless endpoints to initiate calls and send back responses to search queries. It uses HTTPS to call and respond to requests and allows the users to verify a phone number and authenticate if it is valid.

The Veriphone overview API through a requester’s Internet Protocol address allows for the automatic setting of a default country code. The users can also set either the local or international format on phone numbers that are valid. The advantage of this API is that it is able to operate all over the world.

Pricing:

Basic plan - the basic plan is free with 1000 requests per month.

Pro plan -This plan costs $29 and offers 5000requests per month.

Ultra plan - The plan offers 250000 requests per month. It costs $79.

Mega plan - This plan costs $199 and offers 1000000 requests per month.

The API allows users to check if an email is valid and to also determine if it is disposable or not. It is fast, making it efficient for a user while also allowing them to block any spamming or trolling on the emails.

It has MX pointers that enable the user to know if the mail server is valid. The API easily identifies errors and typos in an email. This process is fundamental in sign-up forms.

Pricing:

Basic plan -This plan is free. It allows users to make up to 1000 requests a month.

Pro plan - The plan offers 200000 requests at $50 a month.

Ultra plan - Users who require this plan will have 500000 requests at $99 a month.

Mega plan - This plan allows for 1000000 requests and goes for $195 a month.

The spam caller checker API allows users to check a caller's number immediately. This process is necessary as it enables the user to know which phone calls to avoid and which ones to pick. It is lightweight, making it easy for the user to parse information

Pricing:

This API offers a basic plan. The plan has unlimited requests, and it is free.

This API allows the user to verify an email address before it gets to your system. It has features such as the format check which helps to ensure that the data is in the correct pattern. Regulus Email validation API also comes with a disposable check which helps it identify one-time email addresses to duplicate and get rid of them. It also has quality score feature which measures the standard of excellence and relevance of an email.

Pricing:

Basic plan - This package is free and allows for verification of up to 100 emails a month.

Pro plan - It allows for 1000 email verifications and costs $3.50 a month.

Ultra plan - It allows for 3000email verifications and goes for $9.50.

Mega plan - This plan costs $29 a month. It allows the user to verify up to 10000 email addresses.

The API is useful for tracking or tracing the location and address of a caller. IP API helps the users to access information such as the city, currency, country, flag, region and timezones. The API is developed by labstack and uses endpoints such as the GET Lookup to lookup IP addresses and give back results based on the set user parameters. This API uses JSON and XML formats.

Pricing:

Basic plan - This package is free, and it offers 10000 requests.

Pro plan - The plan contains 100000 requests and costs $10 a month.

Ultra plan - This plan has 1000000 requests and costs $50 a month.