- Chirp - Chirp is a twitter client library
 - cl-amazonproduct - cl-amazonproduct is an Amazon Product Advertising web API interface library
 - cl-audioscrobbler - cl-audioscrobbler is a Common Lisp wrapper to the Audioscrobbler/Last.fm API
 - cl-azure - cl-azure lets you access Microsoft Windows Azure cloud storage from Common Lisp
 - cl-blogger - CL-BLOGGER is a web API interface to Blogger.com
 - cl-creditcard - cl-creditcard & cl-authorize-net: A common lisp library to enable processing credit card payments
 - cl-digg - cl-digg is a Common Lisp wrapper to the Digg APIs
 - CL-EC2 - CL-EC2 is a Common Lisp library for communicating with Amazon's EC2 and CloudWatch Query APIs
 - cl-echonest - cl-echonest is a binding to the echonest.com web API
 - cl-etsy - CL-Etsy a Common Lisp interface for the etsy.com web API, by Ben Hyde
 - cl-facebook - cl-facebook is an interface to the Facebook web API
 - cl-gcalc - cl-gcalc is a wrapper for Google Calculator
 - cl-geonames - A Common Lisp wrapper around the geonames web service
 - cl-github - cl-github is a library for working with the github version control web API
 - cl-gitlab - cl-gitlab is a library to connect to GitLab's version control web API following a minimalistic (and thus solid) approach
 - cl-hue - Common Lisp client for Philips Hue API
 - cl-lastfm - cl-lastfm is a Common Lisp wrapper to the Last.fm API
 - cl-launchpad - cl-launchpad is a library for the launchpad.net web API
 - CL-MediaWiki - CL-MediaWiki is a wrapper in Common Lisp around the media wiki web API
 - CL-MEMCACHED - CL-MEMCACHED is a fast interface to the memcached object caching system
 - cl-moneris - cl-moneris provides access to the Moneris payment processing web API
 - cl-oauth - cl-oauth is an implementation of the OAuth 1.0a API authorization protocol
 - cl-openbox - cl-openbox provides and interface to the box.net file storage service web API
 - cl-opencalais - cl-opencalais is a wrapper for the Thomson Reuters Calais web API
 - cl-openid - Cl-OpenID is an implementation of OpenID protocol in Common Lisp
 - cl-pastebin - CL-PASTEBIN is a Common Lisp wrapper to the Pastebin.com API
 - cl-paymill - cl-paymill provides access to the Paymill payment processing web API
 - cl-paypal - cl-paypal is an interface to the PayPal Express Checkout web API
 - cl-recaptcha - cl-recaptcha is a trivial library for using the recaptcha service
 - CL-S3 - CL-S3 is a Common Lisp library that implements a client interface to the Amazon S3 Web Service
 - cl-smugmug - cl-smugmug is a Common Lisp interface to the SmugMug web API
 - cl-textmagic - CL-TEXTMAGIC is a Common Lisp interface to the TextMagic
 - cl-tumblr - CL-TUMBLR provides a simple interface to Tumblr's API
 - cl-twitter - This is an interface to the twitter api
 - cl-web-utils - cl-web-utils is a set of utilities for producing Common Lisp bindings to web APIs
 - cl-yahoo - CL-YAHOO is a Common Lisp interface to the Yahoo! API, a web API which enables searching the web through yahoo
 - clath - Clath is single sign-on middleware for Clack
 - clickr - Clickr is a high-level binding library of the Flickr API for Common
 - currensea - currensea is a currency conversion library based on AllegroServe
 - HH-AWS - HH-AWS is library for accessing the Simple Storage Service (S3), SimpleDB (SDB), Elastic Compute Cloud (EC2), and Simple Queue Service (SQS) Amazon Web Services
 - Humbler - Humbler is a Tumblr API interface that attempts to make it as little of a pain to use as possible
 - north - North is a library that implements the OAuth 1.0a consumer and provider protocols
 - oauth2 - Small library which allows to use OAuth2 protocol, original repository is here https://github.com/Neronus/oauth2
 - rtm-lisp-api - rtm-lisp-api is a Common Lisp interface to the Remember The Milk API, a web API which enables managing the tasks of a given user
 - Saluto - Saluto is a submodule for RESTAS web-framework, which allow web-site users to be authorized with OAuth 2.0 protocol
 - scalpl - Market maker + APIs to several Bitcoin exchanges
 - selenium-lisp-connector - selenium-lisp-connector is a Lisp client for Selenium Remote Control, a test tool that allows you to write automated web application UI tests in any programming language against any HTTP website using any mainstream JavaScript-enabled browser
 - simpledb - simpledb is a Common Lisp interface to the Amazon SimpleDB web API
 - slashcachelisp - slashcache.lisp uses slashdot.lisp to build a cache of slashdot.org headlines
 - slashdotlisp - slashdot.lisp is a small package of code for reading slashdot headlines
 - South - South (Simple OaUTH) is a library aiming to provide a simple layer for interaction with oAuth 1.0a services
 
web API
Common Lisp wrapper for web API