API-First Company Directory
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Company Name
1
2
3
Agora.io
4
Algolia
5
Alloy APIs
6
Alloy Automation
7
api.video
8
Argyle
9
Atomic Financial
10
Auth0
11
Automattic Inc.
12
BigCommerce
13
BloomReach Global
14
BloomText
15
BlueX Trade
16
Bond
17
Boost
18
Bridge Financial Technology
19
Castle
20
Censys
21
Certn
22
ChartHop
23
Check
24
Checkr
25
Cherre
26
Clearbit
27
Cloudflare, Inc.
28
Codat Ltd
29
Commerce Layer
30
Contentful
31
Courier
32
Cover Genius
33
Cronofy
34
CrowdStrike
35
Daily.co (was Pluot)
36
Deel
37
Duffel
38
EasyPost
39
Editmode
40
Eligible
41
Fauna Inc.
42
Fidel API
43
Finch
44
Finix
45
Fletch
46
Forestry.io
47
ForgeRock
48
Foursquare
49
Galileo Financial Technologies
50
Gretel Inc
51
Hanko.io
52
Human API
53
Iggy
54
Kevel
55
Ladder
56
Liongard
57
Lob
58
Magento
59
MeiliSearch
60
Memberstack Inc.
61
MessageBird.com
62
Middesk
63
Modern Treasury
64
Moov
65
Mux, Inc.
66
NewCraft
67
Noyo
68
Nylas
69
Okta, Inc.
70
Orum.io
71
Osso
72
PandaDoc
73
Passbase
74
Patch
75
PatientPing
76
Persona
77
Pinwheel
78
Plaid
79
PriorAuthNow
80
Radar
81
Railz.ai
82
Ribbon Health
83
Rightfoot
84
SamaCare
85
Segment
86
Sendgrid
87
SentiLink
88
Shippo
89
Shopify
90
Signifyd
91
Sila
92
Skyflow
93
Smartcar, Inc.
94
Snipcart
95
Strapi
96
Stream.io
97
Stripe
98
Stytch
99
Swifttype
100
Synapse
101
Telnyx
102
Tines
103
tray.io
104
Treasury Prime
105
Truework
106
Trusona
107
Twilio
108
Verix
109
WorkOS
110
Zapier
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API Category
URL
Stage
HQ Location
Company Contact
Title
Notes
Voice
https://www.agora.io/en/
IPO
United States
Palo Alto
Bin "Tony" Zhao
Founder
CEO
Search
https://www.algolia.com/
Growth
Greater Boston
Bernadette Nixon
CEO
Founder
Fraud
https://alloy.co/
Series B
Brooklyn
New York
United States
Tommy Nicholas
CEO
Founder
E-Commerce
http://runalloy.com/
Seed
United States
Sara Du
CEO
Video
https://api.video/
Seed
Greater Bordeaux Metropolitan Area
Cédric Montet
CEO
Founder
Verification
https://argyle.com/
Series A
New York
United States
Shmulik Fishman
CEO
Founder
Payroll
https://atomic.financial
Seed
United States
Lindsay Davis
Other
Really enjoy your content on the API economy. If you want to do a deep dive on payroll/verification APIs, we'd be happy to collaborate and share insights. Payroll APIs are not limited to payroll. We are working 5 of the top 10 neobanks and piloting a few products. Keep up the great research and feel free to reach out.
Authentication
https://auth0.com/
Growth
Bellevue
Washington
United States
Eugenio Pace
CEO
Content Management
https://automattic.com/
Growth
Houston
Texas
United States
Matt Mullenweg
CEO
Founder
E-Commerce
https://www.bigcommerce.com/
IPO
Austin
Texas
United States
Brent Bellm
CEO
Search
https://www.bloomreach.com/en
Growth
San Francisco Bay Area
Raj De Datta
CEO
Founder
Insurtech
https://www.bloomtext.com/
Seed
Seattle
Washington
United States
Tyler Brown
CEO
Founder
Logistics
www.bluextrade.com
Seed
Other
Vivian Chiang
Other
BlueX provides access to ocean carrier data through a single API.
Fintech
https://www.bond.tech/
Series A
San Francisco
California
United States
Roy Ng
CEO
Founder
Insurtech
https://boostplatform.io/
Series A
New York
United States
Alex Maffeo
CEO
Founder
Fintech
www.bridgeft.com
Series A
United States
Rasheed Hammouda
CEO
Co-founder
Our API docs are available at docs.bridgeft.com––reach out for sandbox access!
Search
http://www.castle.io/
Series A
San Francisco Bay Area
Johan Brissmyr
CEO
Founder
Search
http://www.censys.io/
Series A
Ann Arbor
Michigan
United States
David Corcoran
CEO
Founder
Verification
https://certn.co/
Seed
Victoria
British Columbia
Canada
Andrew McLeod
Founder
Payroll
https://www.charthop.com/
Series A
New York
Maria Barrera
Marketing
Payroll
https://checkhq.com/
Series B
New York
United States
Andrew Brown
CEO
Founder
Verification
https://checkr.com/
Growth
San Francisco
California
United States
Daniel Yanisse
Co-Founder and CEO @Checkr
Data Management
http://www.cherre.com/
Series A
New York
United States
L.D. Salmanson
CEO
Founder
Data Management
http://www.clearbit.com/
Series A
San Francisco
California
United States
Alex MacCaw
Founder
Search
http://www.cloudflare.com/
IPO
Park City
Utah
United States
Matthew Prince
CEO
Founder
Fintech
https://www.codat.io/
Seed
New York
United States
Peter Lord
CEO
Founder
E-Commerce
https://commercelayer.io/
Series A
Florence
Tuscany
Italy
Filippo Conforti
CEO
Content Management
https://www.contentful.com/
Growth
San Francisco
California
United States
Steve Sloan
CEO
Messaging
https://www.courier.com/
Series A
San Francisco
California
United States
Troy Goode
CEO
Founder
Insurtech
http://www.covergenius.com/
Series B
Australia
Chris Bayley
CEO
Founder
Other
https://www.cronofy.com
Seed
United Kingdom
Adam Bird
CEO
Founder
Search
http://www.crowdstrike.com/
IPO
San Jose
California
United States
George Kurtz
CEO
Founder
Video
https://www.daily.co/
Seed
San Francisco Bay Area
Kwindla Hultman Kramer
CEO
Founder
Payroll
http://www.letsdeel.com/
Series B
San Francisco
California
United States
Alex Bouaziz
CEO
Founder
Transportation & Mobility
https://duffel.com/
Growth
London
England
United Kingdom
Steve Domin
CEO
Founder
Logistics
http://www.easypost.com/
Series A
San Francisco
California
United States
Jarrett Streebin
CEO
Founder
Content Management
https://editmode.com
Seed
Other
Tony Ennis
Founder
Healthtech
https://eligible.com/
Series A
New York City Metropolitan Area
Katelyn Gleason
CEO
Founder
Data Management
http://www.fauna.com/
Series A
San Francisco Bay Area
Eric Berg
CEO
Founder
Fintech
https://fidel.uk/
Series A
London
England
United Kingdom
Dev Subrata
CEO
Founder
Payroll
https://tryfinch.com/
Seed
San Francisco Bay Area
Jeremy Zhang
CEO
Founder
Fintech
https://www.finixpayments.com/
Series B
San Francisco
California
United States
Richie Serna
CEO
Founder
Insurtech
www.fletch.co
Pre-Seed
United States
New York City Metropolitan Area
Sri Oddiraju
CEO
Founder
Content Management
https://forestry.io/
Seed
Charlottetown
Prince Edward Island
Canada
Scott Gallant
CEO
Founder
Authentication
https://www.forgerock.com/
Growth
San Francisco Bay Area
Fran Rosch
CEO
Location
https://foursquare.com/
Growth
San Francisco Bay Area
Gary Little
CEO
Founder
Fintech
https://www.galileo-ft.com/
Other
Salt Lake City
Utah
United States
Clay Wilkes
CEO
Founder
Data Management
http://gretel.ai/
Series A
San Diego
California
United States
Alexander Watson
CEO
Founder
Authentication
https://www.hanko.io
Pre-Seed
Europe
Felix Magedanz
Founder
CEO
Healthtech
https://www.humanapi.co/
Growth
San Francisco Bay Area
Andrei Pop
CEO
Founder
Location
https://www.askiggy.com
Seed
United States
Lindsay M Pettingill
CEO
brilliant way to get leads!
Other
https://www.kevel.co
Series A
United States
Chris Shuptrine
Marketing
Insurtech
https://www.ladderlife.com/api
Growth
San Francisco Bay Area
Jamie Hale
CEO
Founder
Automation
https://www.liongard.com/
Series B
Houston
Texas
United States
Joe Alapat
CEO
Founder
Liongard’s platform delivers unified visibility to MSPs, continuously collecting data across cloud and network systems, apps, services and endpoints. Through automated discovery, documentation and auditing, Liongard empowers MSPs to standardize their processes, secure their customers’ systems and scale their operations. Learn more at liongard.com.
Logistics
http://www.lob.com/
Series B
San Francisco
California
United States
Leore Avidar
CEO
Founder
E-Commerce
https://magento.com/
Other
Austin
Texas
United States
Mark Lavelle
CEO
Acquired by Adobe
Search
https://www.meilisearch.com/
Seed
Greater Paris Metropolitan Region
Quentin de Quelen
CEO
Founder
Other
https://www.memberstack.com/
Seed
Williamsburg
Virginia
United States
Duncan Hamra
CEO
Founder
Messaging
https://www.messagebird.com/en/
Growth
Amsterdam
North Holland
Netherlands
Robert Vis
CEO
Founder
Verification
https://www.middesk.com/
Seed
San Francisco
California
United States
Kyle Mack
CEO
Founder
Fintech
https://www.moderntreasury.com/
Series B
San Francisco
California
United States
Dimitri Dadiomov
CEO
Founder
Fintech
https://moov.io/
Series A
Golden
Colorado
United States
Wade Arnold
CEO
Founder
Video
https://mux.com/
Growth
San Francisco
California
United States
Jon Dahl
CEO
Founder
Payroll
https://www.newcraft.io/
Pre-Seed
United States
Cameron Sadler
CEO
Founder
Insurtech
https://www.noyo.com/
Series A
San Francisco
California
United States
Shannon Goggin
CEO
Founder
Messaging
https://www.nylas.com/
Series B
United States
Gleb Polyakov
CEO
Co-Founder
Authentication
https://www.okta.com/
IPO
San Francisco
California
United States
Todd McKinnon
CEO
Founder
Fintech
https://www.orum.io/
Seed
New York
United States
Stephany Kirkpatrick, CFP®
CEO
Founder
Authentication
https://ossoapp.com
Other
United States
New York
Sam Bauch
Founder
Engineering
We're an open sourced, bootstrapped company launched in September 2020.
Other
https://www.pandadoc.com/
Series B
San Francisco
California
United States
Brad Andrews
Other
Authentication
http://www.passbase.com/
Seed
New York
United States
Mathias Klenk
Founder
Other
https://www.usepatch.com
Seed
San Francisco
California
Brennan Spellacy
CEO
Founder
Healthtech
https://patientping.com/
Growth
Greater Boston
Jay Desai
CEO
Founder
Authentication
https://withpersona.com/
Series A
San Francisco
California
United States
Rick Song
CEO
Founder
Payroll
http://www.getpinwheel.com/
Seed
New York
United States
Kurtis Lin
CEO
Founder
Fintech
https://plaid.com/
Growth
United States
Zachary Perret
CEO
Founder
Healthtech
https://www.priorauthnow.com/
Series B
Westerville
Ohio
United States
Joe Anstine
CEO
Founder
Location
https://radar.io/
Series B
New York City Metropolitan Area
Nick Patrick
CEO
Founder
Fintech
https://railz.ai/index.html
Seed
Toronto
Canada
Ontario
Sohaib Zahid
CEO
Founder
Healthtech
https://www.ribbonhealth.com/
Series A
New York
United States
Nate Maslak
CEO
Founder
Fintech
www.rightfoot.com
Seed
United States
San Francisco
California
Danielle Pensack
CEO
Founder
Healthtech
https://www.samacare.com/
Seed
San Francisco Bay Area
Syam Palakurthy
CEO
Founder
Data Management
http://www.segment.com/
Other
San Francisco
California
United States
Peter Reinhardt
CEO
Founder
Messaging
https://sendgrid.com/
Other
Menlo Park
California
United States
Sameer Dholakia
CEO
Acquired by Twilio
Fraud
https://www.sentilink.com/
Series A
San Francisco
California
United States
Naftali Harris
CEO
Founder
Logistics
http://www.goshippo.com/
Growth
San Francisco
California
United States
Laura Behrens Wu
CEO
Founder
E-Commerce
https://www.shopify.com/
IPO
Ottawa
Ontario
Canada
Tobias Lütke
CEO
Founder
Fraud
https://www.signifyd.com/
Growth
San Francisco
California
United States
Rajesh Ramanand
CEO
Founder
Fintech
https://silamoney.com/
Seed
Portland
Oregon
United States
Shamir Karkal
CEO
Founder
Privacy
https://www.skyflow.com/
Series A
Mountain View
California
Anshu Sharma
CEO
Founder
Transportation & Mobility
https://smartcar.com/
Series A
Mountain View
California
United States
Sahas Katta
CEO
Founder
E-Commerce
https://snipcart.com/
Pre-Seed
Capitale-Nationale
Quebec
Canada
François Lanthier Nadeau
CEO
Content Management
https://strapi.io/
Series A
Paris
ÃŽle-de-France
France
Pierre Burgy
CEO
Founder
Messaging
https://stream.io/
Series A
Boulder
Colorado
United States
Thierry Schellenbach
CEO
Founder
Fintech
https://stripe.com/
Growth
San Francisco
California
United States
Patrick Collison
CEO
Founder
Authentication
https://stytch.com/
Seed
San Francisco
California
Julianna Lamb
Founder
CTO
Search
https://swiftype.com/
Other
San Francisco
California
United States
Matt Riley
Founder
Acquired by Elastic
Fintech
https://synapsefi.com/
Series B
San Francisco Bay Area
Sankaet Pathak
CEO
Messaging
https://telnyx.com/
Other
United States
David Casem
CEO
Founder
Connecting with your customers shouldn't be complex. Our communications APIs make it easy.
Search
http://www.tines.io/
Series A
Ireland
Eoin Hinchy
CEO
Founder
Automation
https://tray.io/
Growth
San Francisco
California
Rich Waldron
CEO
Founder
Fintech
https://treasuryprime.com/
Series A
San Francisco
California
United States
Chris Dean
CEO
Founder
Verification
https://www.truework.com/
Series B
San Francisco
California
United States
Ryan Sandler
CEO
Founder
Authentication
https://www.trusona.com/
Growth
Scottsdale
Arizona
United States
Ori Eisen
Founder & CEO
Messaging
https://www.twilio.com/
IPO
San Francisco
California
United States
Jeff Lawson
CEO
Founder
Payroll
https://www.verixapi.com/
Seed
Stanford
California
United States
Benjamin Prawdzik
CEO
Founder
Authentication
https://workos.com/
Series A
San Francisco
California
United States
Michael Grinich
CEO
Founder
Automation
https://zapier.com/
Other
Sunnyvale
California
United States
Wade Foster
CEO
Founder
110 records

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