Articulate! Text-to-Speech API. Fast and supports long text! Nice female voice. Check it out!
Provide textual content via POST and get binary mp3 or wav encoded sound file in response.
Currency conversion API
API to store data. Operations: set, put, inc, dec, delete. Data is persisted. Value is a JSON value/document.
Validates email addresses. Checks syntax, DNS and free/disposable providers.
Generates a random name in format SomeSomething (AdjectiveNoun). Useful when we need to add names for things.
WHOIS API. All tlds supported. Multiple formats and parsing. Ip2WHOIS
API to store and retrieve logs.
PubSub as a service. Send messages to topics and consume them. Simple yet useful API.
Sentiment analysis. Classifies as positive or negative. Trained with multiple data sets (IMDB, Twitter etc).
V2A API transcodes video files from URL to audio file. Very many video sites supported. Returns a link to the produced file. Until it has been completed there is a status provided then the actual file.
API to take website's screenshots.
Domain availability check. All tlds supported.
API to extract text from any media file. Supported formats: PDF, DOC/DOCX, EPUB, CHM, RTF, XLS, HTML, XML etc. You provide file content and it detects the format and extracts text which you get back.
API to generate strong passwords, validate password strenght and compare.