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Use BLOCKS to run serverless functions for your realtime applications.

Browse from our growing collection of open source PubNub BLOCKS that you can use to get your realtime app started. Your PubNub BLOCKS always run as functions inside the PubNub Data Stream Network.

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External APIs IBM Watson: Sentiment and Context Analysis Analyze text for sentiment, emotion, language and more. Chat BLOCKS Details Subcategory Data Analytics BLOCKS Details Subcategory Gaming BLOCKS Details Subcategory Internet of Things Initial State: Realtime IoT Dashboards Visualize sensor data on live dashboards. External APIs BLOCKS Details Subcategory Data Analytics BLOCKS Details Subcategory Internet of Things Wia: IoT Messaging Trigger device action and monitor state. Bots & AI BLOCKS Details Subcategory IoT BLOCKS Details Subcategory External APIs Scale API: On-Demand Tasks by Real Humans Execute tasks with real humans, on-demand. Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory Gaming BLOCKS Details Subcategory External APIs PagerDuty: Incident Management and Alerts Realtime alerting for the entire incident lifecycle. Data Analytics BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory External APIs Librato: Realtime Monitoring Collect, aggregate, and visualize realtime streams of data. External APIs BLOCKS Details Subcategory IoT BLOCKS Details Subcategory Data Analytics BLOCKS Details Subcategory External APIs Stamplay: Trigger API Integration Workflow Create integration flows to connect APIs and automate tasks Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory External APIs Twitter Post Tweets to your Twitter account Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory External APIs IBM Watson: Text-to-Speech Convert message text to audible speech. Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory External APIs IBM Watson: Conversation Automate interactions with users. Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory External APIs IBM Watson: Language Translator Translate and publish text in 11 languages. Chat BLOCKS Details Subcategory External APIs ClickSend SMS: Mobile and Web SMS Send and receive SMS to web and mobile. Chat BLOCKS Details Subcategory Gaming BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory External APIs Cloudinary: Image Manipulation Manipulate and transform image properties. Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory Gaming BLOCKS Details Subcategory External APIs Diffbot: Content Analysis Analyze and extract content and webdata from websites and pages. Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory External APIs Mapbox: Directions Turn-by-turn directions and ETAs Chat BLOCKS Details Subcategory Data Analytics BLOCKS Details Subcategory External APIs Neutrino: HTML Sanitizer Clean and sanitize untrusted HTML Chat BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory External APIs Mapbox: Geocoding Convert coordinates into street addresses, and vice versa. Chat BLOCKS Details Subcategory Data Analytics BLOCKS Details Subcategory Geolocation Mapbox: Geolocation Plot location on realtime, live-updating maps. IoT BLOCKS Details Subcategory Chat & Social Neutrino: Profanity Filter Detect and filter out profanity. Chat BLOCKS Details Subcategory Gaming BLOCKS Details Subcategory External APIs Lexalytics: Sentiment Analysis and Categorization Categorize text and analyze for sentiment Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory External APIs Mapbox: Static Maps Create a custom, static embeddable map Chat BLOCKS Details Subcategory Data Analytics BLOCKS Details Subcategory External APIs SDL: Language Translation Translate text between languages in realtime. Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory External APIs Sift Ninja: Content Moderation and Filtering Automatically analyze and filter chat messages and content. Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory Gaming BLOCKS Details Subcategory External APIs Xignite: Global Currency Exchange Rates Stream hourly currency exchange rates Data Analytics BLOCKS Details Subcategory External APIs Sightengine: Image Moderation and Censoring Analyze and moderate photos for adult content or format Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory Gaming BLOCKS Details Subcategory External APIs Wolfram Alpha: Computational Knowledge Ask questions and receive incredibly comprehensive answers. Bots & AI BLOCKS Details Subcategory Data Analytics BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory External APIs SendGrid: Transactional Email Send transactional emails triggered by user action. IoT BLOCKS Details Subcategory Chat BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory Gaming Anti Spam Limit Publish Rate from IP addresses to prevent spamming. Gaming BLOCKS Details Subcategory External APIs New Relic: Realtime App Monitoring This block inserts published data into the New Relic Insights Service. Data Analytics BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory Charting & Graphing Plot Outliers on Graph Detects outliers and highlights them on a realtime graph. IoT BLOCKS Details Subcategory Data Analytics BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory External APIs Falkonry AI: Machine Learning for Condition Identification Automate and interpret data from industrial activity and IT processes. Bots & AI BLOCKS Details Subcategory IoT BLOCKS Details Subcategory Data Analytics BLOCKS Details Subcategory Bots & AI Gupshup: Trigger Bot Action Connect your automated bots to realtime data streams. External APIs BLOCKS Details Subcategory Bots & AI BLOCKS Details Subcategory IoT BLOCKS Details Subcategory External APIs Trade4me: Binary Options Autotrading Send trading signals that are automatically traded. Triggers & Notifications User @mention Notification Forward any message with a @username mention in it to the @username channel. Chat BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory Gaming Hangman Create a simple hangman game. Gaming BLOCKS Details Subcategory Gaming Leaderboard Track high scores for multiplayer games. Data Analytics BLOCKS Details Subcategory Gaming BLOCKS Details Subcategory Triggers & Notifications Fire Sensor Alert Block This block monitors JSON values coming in from a temperature sensor and sends an SMS ... External APIs BLOCKS Details Subcategory IoT BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory External APIs Gif Chat Add fun gifs to chat messages using the Giphy API. Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory Chat & Social Hello World Simple "Hello World" always delivers { "hello" : "world" } Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory External APIs Offline Notifier Block Notify offline users via SMS of any newly published messages. Chat BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory Chat & Social Vote Counter Vote counter block lets people cast their vote in an online poll. One IP address ... Data Analytics BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory Bots & AI Fortune Teller Chatbot Zoltar, a simple fortune teller chatbot with ‘magic 8 ball’ like responses. Bots & AI BLOCKS Details Subcategory Chat BLOCKS Details Subcategory Logic Notifications BLOCKS Details Subcategory External APIs Clarifai: Image and Video Recognition Analyze, sort, categorize, and tag images or videos. 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