Microsoft Bing Spell Check API Alternatives (September 2025)

Show users intelligent search suggestions with the Bing Autosuggest API. Test out the autocomplete API and search suggestion tool to see how it works.

Bring the power of intelligent search to your apps with the Bing Web Search API. Receive stats on queries and market-aware results with this Search API.

Integrate news search functionality into your apps with the Bing News Search API. Try this news search tool online for yourself to see its advanced capabilities.

Deliver the search results you want with Bing's Custom Search API. This easy-to-use and ad-free customized search tool gives you powerful ranking and more.

Instantly check grammar, punctuation, and spelling errors with LanguageTool's AI-powered grammar checker. Enhance your writing in over 30 languages with ease.

Free online check for spelling, grammatical errors and correct diction.

Tap into the wealth of academic content in the Microsoft Academic Graph using the Academic Knowledge API:

Readable, the most extensive readability checker. Readability tests: Flesch reading ease, Flesch-Kincaid grade level, Gunning Fox Index, SMOG Index & more

Microsoft Translator Text API is a cloud-based aka machine translation service used to build applications, websites, and tools.

PaperRater proofreads and rates your essays & papers. It picks out grammar & spelling errors, detects plagiarism and grades your writing. It includes resources on grammar, writing, spelling & more.

Explore AI Speech from Microsoft Azure that include speech recognition, text to speech, speech translation, voice-enabled app features, and more.

Speaker Recognition API features include speaker verification and speaker identification.

Corrector App is the best Free Grammar Checker, available online in English, Tagalog and many languages! 📝 No account or download needed. Say goodbye to grammatical errors!

Verify/Validate Addresses using PostGrid’s CASS (USPS) and SERP (Canada Post) certified Address validation and verification API and services.

WhiteSmoke software products for writing and language. WhiteSmoke is a grammar checker, spell checker, style checker and more - in a single package. Also featuring translation software and English video courses.

Azure OpenAI Service offers industry-leading coding and language AI models that you can fine-tune to your specific needs for a variety of use cases.

Azure API Apps give you the tools to develop, host, secure, and share REST APIs in your organization or with the world.

Free News API to get JSON search results for live & historical news articles from sources, including Google News. Get the best news API for Python & PHP

Plagiarism Checker by Quetext. Our proprietary DeepSearch™ plagiarism checker searches for similarities across billions of documents

Watson Speech to Text is an API that transcribes speech to text in a variety of languages. It’s available as SaaS or for self-hosting.

Postcoder is the API for address lookup & form validation. Improve your conversion rates and capture better quality customer data.

Grammarly makes AI writing convenient. Work smarter with personalized AI guidance and text generation on any app or website.

PlagiarismCheck is an accurate plagiarism checker with percentage that can help to assess the originality of any text for teachers and students online

Power your apps with real-time speech-to-text and text-to-speech APIs powered by Deepgram's voice AI models. Low latency, high quality, and low cost that scales

With speech translation, you can add end-to-end, real-time, multi-language translation of speech to your applications, tools, and devices.

Your personal writing coach. A grammar checker, style editor, and writing mentor in one package. The best writing depends on much more than good grammar.

Make your APIs easy to use and your developers successful.

Professional online plagiarism checker for students, teachers, universities, business, writers and editors. Advanced plagiarism detection system guarantees accurate scanning results. PlagiarismSearch is an advanced plagiarism checker that accurately detects all traces of plagiarism. Get your plagiarism check now and enjoy your plagiarism free papers! Sign up for free and check 300 words now!

Affordable Google Maps alternative for Reverse Geocoding, Geocoding, Maps and Routing APIs. Generous free tier, offering Enterprise-grade APIs for everyone!

Become a better writer with Outwrite. Our AI writing assistant is more than a grammar checker—it helps turn your ideas into powerful sentences, anywhere online. Get started for free.

Powerful and effortless desktop & mobile solutions for improving your writing and productivity. Ginger Software is your personalized editor - everywhere you go.

Free and reliable screenshot api for website capture.

Hemingway Editor makes your writing bold and clear.

Enhance your academic writing with our free writing assistant, a generative AI-powered academic writing tool. Key features – AI Language suggestions, academic translation, grammar checker, english language check, paraphraser, free essay checker and text reducer tool. Try our online AI academic writing tool that checks language errors and provides instant, in-depth suggestions to help you polish your manuscript. Get Started.

Speechmatics offer the most accurate AI speech technology - with AI transcription & real-time translation components. Try our Speech API today!

Abstract provides powerful APIs to help you enrich any user experience or automate any workflow. Used by 10,000+ developers worldwide.

Linguistic search engine and smart translator that helps you find the perfect word or sentence to express your ideas.

Learn more about AI Personalizer, part of Microsoft Azure Cognitive Services—an AI personalization solution that improves user engagement by delivering relevant experiences.

Accurately convert voice to text in over 125 languages and variants using Google AI and an easy-to-use API.

At Originality.ai we provide a complete toolset (AI checker, Plagiarism Checker, Fact Checker and Readability Checker) that helps Website Owners, Content Marketers, Writers, Publishers and any Copy Editor hit Publish with Integrity.

Use InstaText, the award-winning online writing and editing tool, to improve your texts and make them easier to read and understand.

PlaceKit is a worldwide geocoding API providing fast and accurate address autocomplete, store locator, and two-way geocoding for your app.

Turn text into natural-sounding speech in 220+ voices across 40+ languages and variants with an API powered by Google’s machine learning technology.

Generate high quality speech with our state-of-the-art artificial intelligence models in just a few lines of code.

Improve your writing and grammar with AI writing assistant! Trinka polishes your writing with AI editing & proofreading for clear, concise, & impactful communication. Try for FREE!

api.video lets you quickly and securely deliver on-demand and live-stream videos directly from your website, software, or app.

Typely is a free online proofreading application that helps you write better English

Covered by >100 media outlets, GPTZero is the most advanced AI detector for ChatGPT, GPT-4, Gemini. Check up to 50000 characters for AI plagiarism in seconds.

Custom question answering is a cloud-based Natural Language Processing (NLP) service that easily creates a natural conversational layer over your data. It can be used to find the most appropriate answer for any given natural language input, from your custom project.

Build, debug, deploy, and manage cloud applications—using any platform or language—with Azure development tools, including Visual Studio.

With our free postal address verification and international address validation service you can easily verify if any USPS or international postal address is valid and deliverable.

Ghostwriter AI solutions brings a creative approach to your business

Plagiarism Checker helps you check plagiarism quickly and accurately. The best plagiarism detector for students, teachers, and writers.

With our banking APIs you can integrate your business with our financial services and make it grow. Find the right API and solution for your business here.

Improve data quality by capturing correct UK addresses. Boost conversions and user experience with postcode address verification and geocoding technology.

Learn how to use Content Moderator to track, flag, assess, and filter inappropriate material in user-generated content.

With AI2sql, engineers and non-engineers can easily write efficient, error-free SQL queries without knowing SQL.

The custom vision API from Microsoft Azure learns to recognize specific content in imagery and becomes smarter with training and time. Read on to learn more.

A mobile market intelligence tool

PDF.co Web API for extracting, editing, converting, merging, and splitting PDF documents. Save time with our powerful tools.

Insight7 automatically analyzes collections of interviews in video, audio, or text for accurate insights that power high-quality decisions.

Empower developers with hands-on secure coding training! Checkmarx Codebashing personalizes learning, strengthens security knowledge, and boosts code quality. Get your free custom demo now!

Boost your writing skills with the best writing assistant software. This free AI tool improves fluency, grammar, spelling, and style.

Instantly detect plagiarized content, AI generated content & more with Copyleaks, the only AI-based platform used by millions worldwide.

Leading in application security testing, Checkmarx makes security simple and seamless for developers. Get a demo TODAY.

Stop bots and manual spam from reaching you or your customer. All with high accuracy and privacy.

Understand user experiences deeply by analyzing the behavior of your mobile app users. Find ideas to reduce churn and improve app conversions with mobile app session recordings and heatmaps.

Need an API to convert files from your application? Use Zamzar - 100s of formats supported - Documents, Videos, Images, Audio, CAD, eBooks and more

Azure API Management offers a scalable, multi-cloud API management platform for securing, publishing, and analyzing APIs.

Clean your email list with Mailercheck's email verification tool and improve deliverability with our email testing suite to boost email marketing ROI.

Hive's APIs enable developers to integrate pre-trained AI models that address technically challenging content understanding needs into their applications.

View pricing options for the Face API from Microsoft Azure AI Services. Select from a variety of pricing options.

StyleWriter software is a powerful manuscript editor and English grammar checker that will identify and correct thousands of writing mistakes, including complex words, jargon and abstract words, wordy phrases, hidden verbs, passive verbs, clich�s and long sentences.

Access current and historical foreign exchange rates with Fixer API. Get free, lightweight currency conversion for your applications. Click now.

Migrate and build apps. Azure App Service is a fully managed platform for creating web applications. The app service offers a range of app development plans and services.

Free IP Geolocation API - lookup any IP address

The leading data analysis and statistical solution for Microsoft Excel. XLSTAT is a powerful yet flexible Excel data analysis add-on that allows users to analyze, customize and share results within Microsoft Excel.

Apideck Ecosystem helps you build your app store and whitelabel marketplace in minutes instead of months.

Learn how to get started with making REST calls for Azure Cognitive Services Computer Vision API

Award-winning consumer intelligence and social listening software that empowers agencies and enterprises to make research-based business decisions.

Connect with customers on their preferred channels—anywhere in the world. Quickly integrate powerful communication APIs to start building solutions for SMS and WhatsApp messaging, voice, and email.

Get rid of spam traps, bounces, disposable or catch-all emails with bulk email verifier or real-time API. Start with 100 FREE email verifications!

VWO Testing, part of VWO Platform, helps you and run A/B, split, multivariate, and feature tests to optimize user experience & increase conversion rates across web, mobile, servers, and other devices.

From signing to filing, it's never been easier or more affordable to engage customers with API toolkits from the leader in online legal services.

Take your business to the next level with big data: Wyscout’s market-leading datasets and scalable APIs can help automate your processes and boost efficiency.

Reverso's free online translation service that translates your texts between English and French, Spanish, Italian, German, Russian, Portuguese, Hebrew, Japanese, Arabic, Dutch, Polish, Romanian, Turkish.

Enterprises and developers use Algolia’s AI search infrastructure to understand users and show them what they’re looking for.

Learn about Azure Web Application Firewall, a firewall service that helps improve web app security.

Get started for free and integrate WebRTC video calls into your website or app using the Whereby API and SDK.

Build, manage, and monitor all your apps in Microsoft Azure Portal. A single, unified hub built for you, your team, and your projects.

Rapid7's web application security testing tool offers cloud-native application security analysis. Automatically crawl and assess web applications to identify vulnerabilities like SQL Injection, XSS, and CSRF.

The easiest way to get access to current or historical news content from over 150,000 global news sources. Articles with all collected meta-data and extensive information extracted by AI can be retrieved in a JSON format.

Penelope.ai is an online tool that automatically checks whether scientific manuscripts meet journal requirements. It helps editors process manuscripts faster and helps authors polish their work before submitting to a journal.

Overview of Application Virtualization

Explore a highly curated API marketplace focused on reliability, scalability, and quality. Access AI & Machine Learning, Content, Finance, Stock, and more APIs.

Inspectlet records videos of your visitors as they use your site, allowing you to see everything they do. See every mouse movement, scroll, click, and keypress on your site. Forget traditional analytics. You never need to wonder how exactly people are using your site again.

Learn how Azure App Service helps you develop and host web applications.

Mailspring: The open-source, extensible email app for Mac, Linux, and Windows with open tracking, link click tracking, contacts enrichment data and more.

SIMPLIFY BATCH & FILE PROCESSES WITH FLUX JOB SCHEDULER & FILE ORCHESTRATOR