API

200+ Companies
More info
Submarkets
200+ companies in API
Show all
Kong

Kong

Open Source +2
Stripe

Stripe

Payments +4
Kong

Kong

API +2
MuleSoft

MuleSoft

Enterprise Software +3
Setu

Setu

API Management
Hasura

Hasura

Mobile +3
Postman

Postman

Testing +2
React

React

Analytics +1
RapidAPI

RapidAPI

Cloud Computing +3
DigitalTomorrowToday

DigitalTomorrowToday

Social Media Platforms +3
Salt Edge

Salt Edge

Business Services +3
Salt Security

Salt Security

Security +3
SendBird

SendBird

Messaging +3
Coin Metrics

Coin Metrics

Analytics +3
Yapily

Yapily

Software +2
All companies in API
Terms of Service Privacy Policy Cookie Statement
Built with ❤︎ by Datalicious ©2022
A daughter company of TNW.
Index.co is not affiliated with Index Ventures.

News

Funding rounds

Acquisitions

Companies

Investors

Filter companies
Company Country Founded Funding Employees
Kong

Kong

Open Source +2
United States - - -
Stripe

Stripe

Payments +4
United States 2010 $1.9B 580
Kong

Kong

API +2
United States 2010 $119.6M 11
MuleSoft

MuleSoft

Enterprise Software +3
United States 2006 $484M 841
Setu

Setu

API Management
India - $3.5M -
Hasura

Hasura

Mobile +3
United States 2017 $34.9M -
Postman

Postman

Testing +2
India 2013 $209M 2
React

React

Analytics +1
United States 1999 - 11
RapidAPI

RapidAPI

Cloud Computing +3
United States 2014 $62.9M 10
DigitalTomorrowToday

DigitalTomorrowToday

Social Media Platforms +3
United Kingdom 2010 - 6
Salt Edge

Salt Edge

Business Services +3
Canada 2013 - 26
Salt Security

Salt Security

Security +3
United States 2016 $130M -
SendBird

SendBird

Messaging +3
United States 2013 $224.7M 50
Coin Metrics

Coin Metrics

Analytics +3
United States 2017 $22.9M -
Yapily

Yapily

Software +2
United Kingdom 2017 $69.4M -
PubNub

PubNub

Developer Tools +2
United States 2010 $46.1M 11
Currencycloud

Currencycloud

Payments +6
United Kingdom 2012 $139.7M 51
bNesis

bNesis

FinTech +1
Poland 2017 $606.2k 11
Voyager

Voyager

Shipping +1
United States - $21.5M -
6D.ai

6D.ai

Cloud Computing +2
United States - - -
Nylas

Nylas

SaaS +2
United States - $16M -
Osano

Osano

SaaS +1
United States - $8.4M -
Pusher

Pusher

Enterprise Software +3
United Kingdom 2010 $11.5M 60
Skyflow

Skyflow

Analytics +3
United States 2019 $25M -
Medable, Inc.

Medable, Inc.

Mobile +5
United States 2013 $395M 1
Nexmo

Nexmo

Mobile +4
United States 2001 $225M 2K
Axway

Axway

API Management
United States 2001 - 1K
Cloud Elements

Cloud Elements

Enterprise Software +2
United States 2012 $44M 100
flyiin

flyiin

Marketplaces +2
Germany 2015 $2.8M 3
OpenLegacy

OpenLegacy

API +2
United States 2013 $50M 60
Evojam

Evojam

Software +3
Poland 2014 - 21
The APP Solutions

The APP Solutions

Internet of Things +3
United States 2014 - 65
Traceable AI

Traceable AI

Security +3
United States - $20M -
Geezeo

Geezeo

Payments +3
- 2006 - 51
Guggy

Guggy

Messaging +3
Israel 2015 - 4
Alloy

Alloy

Financial Services +3
United States 2015 $143.8M 201 - 500
8x8 Asia

8x8 Asia

Messaging +2
Singapore 2010 $9.8M 60
Nylas

Nylas

SaaS +3
United States 2013 $173M 2
Coinkite

Coinkite

Security +4
Canada 2012 - 2
TaxJar

TaxJar

E-Commerce +2
United States 2013 $60.6M 2
Intento

Intento

Information Technology +3
United States 2016 $3.9M -
BASE

BASE

E-Commerce +3
Japan 2012 $32.6M 2 - 10
Smartcar

Smartcar

Automotive +3
United States 2015 $12M 25
FriendlyData

FriendlyData

Databases +3
United States 2016 $280k 3
Polybit

Polybit

Open Source +3
United States 2016 $4M 1
Nutrino

Nutrino

Health and Wellness +3
Israel 2011 $8M 2
Basiq

Basiq

Banking +2
Australia - - -
FIDEL

FIDEL

Developer APIs +4
United Kingdom 2013 $2.6M 12
re:infer

re:infer

SaaS +6
United Kingdom 2015 $3.6M 2
Stamplay

Stamplay

Software +1
United Kingdom 2012 $420.7k 4
Showing a curated sample of 50 companies in the API market.

Want to see the complete list?
Go Pro!