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API Name Category Date
SendGrid
Email 08.11.2009
MailChimp
Email 12.21.2007
Google Gmail OAuth
Email 03.31.2010
Google OpenID
Security 05.14.2009
Yahoo Mail
Email 03.28.2007
Google Single SignOn
Security 02.23.2007
Google Client Authentication
Security 11.05.2006
Janrain Engage
Security 12.24.2008
RapLeaf
Email 08.13.2006
Amazon SES
Email 01.25.2011
Google Apps Email Migration
Email 11.18.2007
Google Web Authentication
Security 11.05.2006
ConstantContact
Email 12.22.2008
Windows Live ID Web Authentication
Security 01.13.2008
Google Safe Browsing
Security 06.29.2007
PhishTank
Security 11.01.2006
Yahoo BBauth
Security 10.01.2006
BioID Web Services
Security 08.02.2012
Context.IO
Email 03.18.2011
MyWot
Security 12.08.2010
Mailgun
Email 11.04.2010
OneLogin
Security 03.12.2010
Google Email Settings
Email 10.16.2008
Windows Live Data
Security 05.01.2007
Interfax
Fax 12.06.2005
CaptchaCoin
Security 01.19.2014
LaunchBit
Advertising 09.14.2012
Mandrill
Email 04.25.2012
LiveConnect
Calendars 03.21.2012
reCAPTCHA
Security 11.23.2010
Data24-7
Email 10.01.2010
Postmark
Email 08.10.2010
Yahoo Create Consumer Key
Security 03.04.2010
18amail
Email 12.01.2009
IIG Alerts
Messaging 10.15.2008
Sendible
Messaging 08.20.2008
Campaign Monitor
Email 07.18.2008
BeenVerified
Security 05.04.2008
WhatCounts
Email 03.10.2007
Google Provisioning
Enterprise 02.23.2007
WebPurify Profanity Filter
Security 01.14.2007
buySAFE
Security 11.01.2006
TypeKey
Security 09.23.2005
Glitxt
Encoding 07.12.2014
Passwd.me
Passwords 07.10.2014
InboxApp
Email 07.09.2014
KeyLemon
Security 07.07.2014
Gmail
Email 06.26.2014
Retain.cc
Customer Relationship Management 06.14.2014
Apple Touch ID
Security 06.12.2014
Experian Data Quality Email Validation
Email 06.03.2014
Lettr
Email 05.30.2014
Eagle Eye Video
Video 05.30.2014
HiCaptcha
Captcha 05.23.2014
ConvertAPI Email2Pdf
Conversions 05.08.2014
MaidSafe Library
Data 04.27.2014
BYU Exchange
Email 04.24.2014
Apperian App Inspections
Security 04.16.2014
MailTracker
Email 04.14.2014
Lleida ENUM
Telephony 04.03.2014
briidge.net Connect
Security 03.30.2014
VerticalResponse REST
Email 03.25.2014
Campayn
Email 03.19.2014
UPS TradeAbility
Shipping 03.18.2014
UPS Tracking
Shipping 03.18.2014
UPS Signature Tracking
Shipping 03.18.2014
UPS Address Validation-Street Level
Shipping 03.18.2014
UPS Address Validation
Shipping 03.18.2014
Trulioo
Security 03.13.2014
Email YoYo Verification
Email 03.09.2014
Kairos ID
Security 03.06.2014
Zync
Messaging 03.01.2014
Doluna
Security 03.01.2014
Have I been pwned
Database 02.27.2014
Know Captcha
Security 02.27.2014
360 Campaigner
B2B 02.27.2014
MotleyBunch
eCommerce 02.27.2014
PaymentVault
Payments 02.11.2014
BlueTarp Authorization
Payments 02.08.2014
FraudAssets
Security 02.03.2014
Financial-Sanctions
Financial 02.03.2014
E-HAWK
Security 01.29.2014
Spamty
Email 01.28.2014
MailingBird
Email 01.26.2014
SiteLock Partner
Security 01.24.2014
Guubie
Email 01.23.2014
BinDB
Security 01.23.2014
Axantum Xecrets
Security 01.23.2014
Enterprise Communications Dialer
Telephony 01.20.2014
TrustedCoin
Security 01.19.2014
PC Monitor
Security 01.16.2014
Ahrefs
Backend 01.16.2014
Mozeo
Messaging 01.10.2014
SendinBlue
Advertising 01.10.2014
How's My SSL?
Security 01.09.2014
My Docs Online Secure File Delivery
File Sharing 01.08.2014
American Bible Society Journeys Registration
Tools 12.23.2013
RBL Watcher
Tools 12.23.2013
Is Email
Email 12.21.2013
Face++
Tools 12.17.2013