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Spam Detection Domain Verification Role-based Email Detection Email Validation Reduce Bounce Rates Grammar Check Message Classification Marketing Strategy Email Security Accurate Communication Temporary Email Detection Email Formatting Spelling Correction Security MX Record Check Inbox Protection Domain Validation User Protection Disposable Email Domain Validation

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Best spam checker APIs

EmailLabs Verification API

Communication & Messaging

Validate and score email addresses in real time — syntax, domain/MX, disposable, role-based and typo detection. Every check except SMTP, in a single fast call.

Free 7-Day Trial

100% uptime 308ms avg MCP ready

Spell and Grammar Checker API

Natural Language Processing (NLP)

This API is able to detect any spelling or grammar errors in your application. Submit text and receive a JSON response with potential errors and suggested corrections.

Free 7-Day Trial

100% uptime 174ms avg MCP ready

Real Time Email Checker API

Communication & Messaging

Verify emails in real time, detect valid domains, correct formatting, MX records, gravatars, and blacklists to ensure reliable deliverability.

Free 7-Day Trial

100% uptime 236ms avg MCP ready

Email Check Secure API

Communication & Messaging

Accurately verify emails by evaluating format, domain, MX, SPF, DMARC, blacklists, reliability, and detecting disposable, suspicious, or role-based emails.

Free 7-Day Trial

100% uptime 297ms avg MCP ready

Anti Spam API

Security & Cybersecurity

The Anti Spam API is an advanced spam detection tool that uses Naive Bayes and Snooker algorithms to identify and filter spam content in real-time across multiple platforms.

Free 7-Day Trial

100% uptime 374ms avg MCP ready

Text Spam Checker API

Natural Language Processing (NLP)

The Text Spam Checker API is a tool for quickly and accurately identifying spam messages in real time. It uses advanced algorithms and machine learning models to classify messages based on their content

Free 7-Day Trial

100% uptime 417ms avg MCP ready

Spam Detection API

Natural Language Processing (NLP)

Recognize if any given text contains spam. Highly accurate anti-spam filter with a lot of applications.

Free 7-Day Trial

100% uptime 661ms avg MCP ready

Spam Block Validator API

Security & Cybersecurity

The Spam Block Validator API validates email addresses, detecting invalid or disposable domains and providing details about mail servers and MX records.

Free 7-Day Trial

100% uptime 209ms avg MCP ready

Spam Guard API

Security & Cybersecurity

Spam Guard API analyzes and classifies messages to identify and filter spam, thus protecting inboxes from unwanted mail.

Free 7-Day Trial

100% uptime 581ms avg MCP ready

Blacklist Email Check API

Security & Cybersecurity

Retrieve essential information from your emails securely with our Blacklist Email Check API, ensuring privacy and accuracy.

Free 7-Day Trial

100% uptime 156ms avg MCP ready

Email Blacklist Lookup API

Communication & Messaging

Securely retrieve and manage comprehensive email data effortlessly with our Email Blacklist Lookup API for enhanced efficiency.

Free 7-Day Trial

100% uptime 105ms avg MCP ready

Trusted Email Checker API

Security & Cybersecurity

Validate and verify email addresses securely to enhance user trust and reduce fraud with our Trusted Email Checker API.

Free 7-Day Trial

100% uptime 63ms avg MCP ready

Real Email Validator API

Communication & Messaging

Validate email content to ensure authenticity and reduce spam with our Real Email Validator API, protecting your brand's integrity.

Free 7-Day Trial

100% uptime 91ms avg MCP ready

Checkmail API

Communication & Messaging

Email verification API with real SMTP RCTP TO check, DNS, disposable, catch-all, and role-based detection in a single request.

Free 7-Day Trial

100% uptime 482ms avg MCP ready

Spam Mail Detector API

Security & Cybersecurity

The Spam Mail Detector is a fast and reliable API that identifies spam and malicious emails in real time, enhancing the security and quality of your email communications.

Free 7-Day Trial

100% uptime 804ms avg MCP ready

Secure Content Filter API

Security & Cybersecurity

Secure Content Filter API is an advanced spam detection tool that uses Naive Bayes and Snooker algorithms to identify and filter spam content in real-time across multiple platforms.

Free 7-Day Trial

100% uptime 608ms avg MCP ready

Verified Email Lookup API

Communication & Messaging

Scrape and curate live email content to stay ahead of your competition and fuel your strategies.

Free 7-Day Trial

100% uptime 653ms avg MCP ready

Spam Domain API

Security & Cybersecurity

Detects and blocks temporary emails in real time with Spam Domain API, protecting databases from fraudulent registrations and abuse.

Free 7-Day Trial

100% uptime 755ms avg MCP ready

Spam Checker in Text API

Communication & Messaging

The Spam Checker in Text API is a powerful tool designed to detect and filter spam content in textual data. By analyzing the input text, it swiftly identifies and flags potential spam, ensuring a clean and safe communication environment. This API is invaluable for applications requiring robust content moderation and user protection against unsolicited or harmful messages.

Free 7-Day Trial