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Words API lets you retrieve information about English words, including definitions, synonyms, rhymes, pronunciation, syllables, and frequency of usage. It also can tell you about relationships between words, for instance that "math" has categories like "algebra" and "geometry", or that a "finger" is part of a "hand".

FREEMIUM

2Factor.in provides extremely simple to use APIs for implementing 2Factor Authentication ( Phone verification ) with just 1 API Call. Best Part of 2Factor.in solution is its Fast, Reliable & Economical too.

FREE

MessageBird provides a simple and fast API for sending and receiving text messages (SMS) all over the world. Other related services are HLR-Lookup (network query) and sending and receiving Premium SMS messages.

FREE

Temporary Disposable E-mail fast and easy API - is a service that allows to receive email at a temporary address that self-destructed after a certain time elapses. It is also known by names like: tempmail, 10minutemail, throwaway email, fake-mail or trash-mail.

FREEMIUM

Intelligent Technologies SMS API. Allows sending and receiving of SMS messages. An account is required. Sign up for free at http://inteltech.com.au Send messages to any country in the world.

FREE

mOTP is an Open API, Alternative to sms based One Time Password. It is a hosted, secured, scalable solution for customer phone verification that works without SMS mOTP brings an innovative approach for customer phone verification. It replaces SMS based one time password, with an OTP over a missed call ( to mobile, landline phone ) Thereby eliminating any Cost, Delay & Dnd Hurdles.

FREE

mVerify is an Open API, that is an alternative to SMS based One Time Password. It is a hosted, secured, scalable solution for customer phone verification that works without SMS. mVerify brings an innovative approach for customer phone verification as it replaces SMS based onetime password, with an OTP over a missed call ( to mobile, landline phone), thereby eliminating any cost and delay.

FREE

Sign up for a free account at https://clicksend.com ClickSend is not a free service. Pricing can be found here https://clicksend.com/?r=pricing/

FREE

SMSAPI is a global SMS provider offering High Quality SMS services (BULK SMS, HLR lookup) for companies to nearly 800 mobile networks in 200 countries. Read more here: https://www.smsapi.com/rest

FREE

Style and grammar checking / proofreading for more than 25 languages, including English, French, Polish, Spanish and German. Based on languagetool.org.

FREE

Send unlimited SMS to any Indian mobile number using this API, all you need is an account from freesms8.co.in

FREE

This API will give details of recharge for various mobile operators in India. You can integrate into your mobile recharging sites or apps. The data is pullled from official telecom operator site. For Commercial purpose contact www.datayuge.in Keywords : indian recharge tariff, telecom data, recharge plans,

FREE

SMS Service Provider

FREE

Resolve DNS addresses into IP addresses and vice versa. New method: check if a port is open on a given host.

FREE

Our WebService API lets you create QR Code inside your own system of information (application, industrial platform, website..). It is a solution for computer developpers that grants them the possibility to create QR Codes inside their own mechanism

FREEMIUM

Wit.ai enables developers to build apps and devices that users can talk to.

FREE

Validates an email address based on syntax and dns. Includes common spelling mistakes.

FREE

Improve your mail deliverability rates and protect your IP reputation by using our Free Email Verification Service. Need further help? You can contact us at http://quickemailverification.com/contact-us

FREE

Introducing ultra cheap Transactional SMS API for developers ( India ) Send speedy sms with fully customizable dynamic sender ids for FREE. Claim your FREE SMS Credits at http://goo.gl/fsEPSo

FREE

The PubNub Network makes Real-time Communications Simple with an easy API. Two Functions: Send/Receive (Publish/Subscribe). We provide a web-scale API for businesses to build scalable Data Push communication apps on Mobile, Tablet and Web. Bidirectional JSON. Ask for commit access - via Twitter: @pubnub - via IRC: #pubnub on FreeNode

FREE
WordsAPI by wordsapi
Words API lets you retrieve information about English words, including definitions...
FREEMIUM
3033
developers
3295
followers
100%
uptime

2Factor Authentication - India by motp
2Factor.in provides extremely simple to use APIs for implementing 2Factor...
FREE
2056
developers
414
followers
100%
uptime

SMS Gateway by messagebird
MessageBird provides a simple and fast API for sending and receiving text messages...
FREE
1851
developers
1694
followers
100%
uptime

Temp Mail by Privatix
Temporary Disposable E-mail fast and easy API - is a service that allows to receive...
FREEMIUM
1215
developers
1241
followers
100%
uptime

Inteltech SMS by inteltech
Intelligent Technologies SMS API. Allows sending and receiving of SMS messages. An...
FREE
1125
developers
947
followers
100%
uptime

mOTP - Sms less Two factor authentication by motp
mOTP is an Open API, Alternative to sms based One Time Password. It is a hosted...
FREE
947
developers
645
followers
100%
uptime

mVerify by webaroo
mVerify is an Open API, that is an alternative to SMS based One Time Password. It is...
FREE
930
developers
966
followers
100%
uptime

ClickSend SMS by clicksend
Sign up for a free account at https://clicksend.com ClickSend is not a free service...
FREE
909
developers
718
followers
100%
uptime

SMSAPI by ComVision
SMSAPI is a global SMS provider offering High Quality SMS services (BULK SMS, HLR...
FREE
871
developers
866
followers
100%
uptime

LanguageTool by dnaber
Style and grammar checking / proofreading for more than 25 languages, including...
FREE
851
developers
763
followers
100%
uptime

FreeSMS8 by blaazetech
Send unlimited SMS to any Indian mobile number using this API, all you need is an...
FREE
774
developers
757
followers
100%
uptime

Indian Telecom Data Recharge Plans by sphirelabs
This API will give details of recharge for various mobile operators in India. You can...
FREE
733
developers
595
followers
100%
uptime

SendSMS by sendsms.ro
SMS Service Provider
FREE
705
developers
670
followers
100%
uptime

DNS Tools by jack
Resolve DNS addresses into IP addresses and vice versa. New method: check if a port...
FREE
588
developers
549
followers
100%
uptime

Custom QR Code by unitag
Our WebService API lets you create QR Code inside your own system of information...
FREEMIUM
579
developers
595
followers
100%
uptime

NLP and Voice interface for Apps wit.ai by ar7hur
Wit.ai enables developers to build apps and devices that users can talk to.
FREE
506
developers
475
followers
100%
uptime

Email Validation by montanaflynn
Validates an email address based on syntax and dns. Includes common spelling...
FREE
456
developers
390
followers
100%
uptime

Quick Email Verification by quickemailverification
Improve your mail deliverability rates and protect your IP reputation by using our...
FREE
415
developers
405
followers
100%
uptime

Dial2verify SMS Gateway by motp
Introducing ultra cheap Transactional SMS API for developers ( India ) Send speedy...
FREE
412
developers
157
followers
100%
uptime

PubNub Network by pubnub
The PubNub Network makes Real-time Communications Simple with an easy API. Two...
FREE
363
developers
302
followers
100%
uptime