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Best spell check APIs

Real Time Email Checker API

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

Communication & Messaging Free 7-Day Trial

100% uptime 222ms avg MCP ready

Spell and Grammar Checker API

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.

Natural Language Processing (NLP) Free 7-Day Trial

100% uptime 174ms avg MCP ready

Grammar API

A Spelling and Basic Grammar Check API is a tool that allows developers to integrate spelling and grammar checking functionality into their applications

Natural Language Processing (NLP) Free 7-Day Trial

100% uptime 138ms avg MCP ready

Email Check Secure API

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

Communication & Messaging Free 7-Day Trial

100% uptime 297ms avg MCP ready

Text Spam Checker API

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

Natural Language Processing (NLP) Free 7-Day Trial

100% uptime 417ms avg MCP ready

Spam Detection API

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

Natural Language Processing (NLP) Free 7-Day Trial

100% uptime 661ms avg MCP ready

Blacklist Email Check API

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

Security & Cybersecurity Free 7-Day Trial

100% uptime 156ms avg MCP ready

Checkmail API

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

Communication & Messaging Free 7-Day Trial

100% uptime 482ms avg MCP ready

Trusted Email Checker API

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

Security & Cybersecurity Free 7-Day Trial

100% uptime 63ms avg MCP ready

Valid Contact Email API

Check and fetch email addresses seamlessly to maintain a clean and effective mailing list.

Communication & Messaging Free 7-Day Trial

100% uptime 387ms avg MCP ready

Speak Safe API

The Speak Safe API detects and filters offensive language, ensuring respectful communication in various online platforms and applications.

Communication & Messaging Free 7-Day Trial

100% uptime 7,640ms avg MCP ready

Verified Email Lookup API

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

Communication & Messaging Free 7-Day Trial

100% uptime 653ms avg MCP ready

Global Email Verification API

Efficiently check email status and extract relevant data to optimize your outreach efforts.

Communication & Messaging Free 7-Day Trial

100% uptime 688ms avg MCP ready

Spam Checker in Text API

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.

Communication & Messaging Free 7-Day Trial

100% uptime 2,316ms avg MCP ready

Speak Clean API

The Speak Clean API detects and filters offensive language, fostering respectful and considerate communication across diverse digital environments and interactions.

Communication & Messaging Free 7-Day Trial

100% uptime 3,940ms avg MCP ready

Grammar Correction API

The Grammar Correction API is a tool that utilizes advanced AI algorithms to enhance the structure, grammar, and readability of user-entered sentences.

Natural Language Processing (NLP) Free 7-Day Trial

100% uptime 11,322ms avg MCP ready

English Phonetics API

This API returns phonetic spellings of words in IPA, ideal for pronunciation guidance, dictionaries, and voice recognition models.

Voice & Speech Technology Free 7-Day Trial

100% uptime 670ms avg MCP ready

Email Sanity Checker API

Ensure email integrity with Email Sanity Checker API, detecting spoofing and phishing threats seamlessly.

Finance & Payments Free 7-Day Trial

100% uptime 813ms avg MCP ready

Error Finder API

The Error Finder API detects grammatical, spelling and style errors, providing suggestions to improve the quality of texts in multiple languages and styles.

Natural Language Processing (NLP) Free 7-Day Trial

100% uptime 2,809ms avg MCP ready

Email Blacklist Verification API

Validate and verify emails instantly to ensure accurate communication and reduce bounce rates.

Communication & Messaging Free 7-Day Trial

100% uptime 1,122ms avg MCP ready

Spam Detector API

Safeguard your platform with our Spam Detector API, which verifies content accuracy and integrity in real-time.

Communication & Messaging Free 7-Day Trial

100% uptime 1,101ms avg MCP ready

Email Address Accuracy Checker API

Boost your email campaigns' effectiveness using our Email Address Accuracy Checker API for precise validation.

Communication & Messaging Free 7-Day Trial

100% uptime 6,712ms avg MCP ready

Phonetic Pronunciation API

Retrieve accurate phonetic transcriptions of English words instantly. Perfect for speech apps, linguistics tools, education platforms, and pronunciation training systems.

Voice & Speech Technology Free 7-Day Trial

100% uptime 871ms avg MCP ready

Phonetic Transcriber API

Return phonetic spellings of English terms for educational, linguistic, or speech processing use cases in a lightweight, structured response.

Voice & Speech Technology Free 7-Day Trial

100% uptime 975ms avg MCP ready

Grammar Genius API

The Grammar Genius API detects grammatical, spelling and style errors, providing suggestions to improve the quality of texts in multiple languages and styles.

Natural Language Processing (NLP) Free 7-Day Trial

100% uptime 2,071ms avg MCP ready

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Best spell check APIs

Real Time Email Checker API

Spell and Grammar Checker API

Grammar API

Email Check Secure API

Text Spam Checker API

Spam Detection API

Blacklist Email Check API

Checkmail API

Trusted Email Checker API

Valid Contact Email API

Speak Safe API

Verified Email Lookup API

Global Email Verification API

Spam Checker in Text API

Speak Clean API

Grammar Correction API

English Phonetics API

Email Sanity Checker API

Error Finder API

Email Blacklist Verification API

Spam Detector API

Email Address Accuracy Checker API

Phonetic Pronunciation API

Phonetic Transcriber API

Grammar Genius API

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