YC Messaging

43 companies · 15 active · 9% AI · most in W12 (5)

Other

Dreachstaffing firms with dreach know before they hire.YC X26San FranciscoStartup →AI

ArtilLet your agents message teammates and other agentsYC W25LondonStartup →Other

CharmCharm is the universal payments app, send money to anyone.YC F24New York CityStartup →AI

PraxosTeam messaging with built-in memoryYC S24Startup →AI

BoostlyPremier growth platform for restaurantsYC S22LehiStartup →Developer toolsInactive

DittofeedOpen-source customer engagement & messaging automationYC S22Los AngelesStartup →Developer toolsInactive

SendoThe best SMS/RCS API for startupsYC W22New York CityStartup →OtherAcquired

HilosClose and activate your customers on WhatsAppYC S21Mexico CityStartup →Other

Union54Developers of ChitChat, an integrated messaging and payments wallet…YC S21LusakaStartup →OtherInactive

HereWhere friends watch, play and hang together in digital roomsYC S20New York CityStartup →Other

LayloThe CRM powering iconic musicians and eventsYC S20Los AngelesStartup →DataInactive

EnveloopDesign and send messages from your app with a simple API.YC W20BirminghamStartup →Developer toolsAcquired

CourierThe fastest way for developers to build notifications for their app.YC S19San FranciscoStartup →Other

treble.aiWe help companies scale marketing campaigns through WhatsAppYC S19São PauloStartup →Other

Glowing.ioUnified, enterprise messaging platform for leading brands of the worldYC W18Las VegasStartup →OtherInactive

OpenlandMessenger for communitiesYC W18San FranciscoStartup →AIInactive

GuggyGuggy is building the messaging app of the future with real time,…YC S17Tel Aviv-YafoStartup →OtherInactive

FiboSaaS calendar and messaging for SMBsYC W17San FranciscoStartup →OtherInactiveRileyMailChimp for SMSYC W17New York CityStartup →Developer tools

BirdThe world’s largest omnichannel communications platformYC S16AmsterdamStartup →Developer tools

ChatfuelPlatform to easily create chatbots to engage with audiences on…YC W16San FranciscoStartup →Developer tools

MioMio powers seamless communication between workplace chat apps.YC W16AustinStartup →Other

PocketSuiteAll-In-One Business Operating System by PocketSuiteYC W16WashingtonStartup →OtherInactive

LocentLocent is an automated messaging platform for companiesYC S15San FranciscoStartup →OtherInactiveGroupAheadImprove communications with your group's own mobile app.YC W15San FranciscoStartup →DataAcquired

OutboundCreate automated messages -- email, iOS/Android push, SMS and web…YC W15San FranciscoStartup →OtherAcquired

Zip PhoneWhatsapp for voiceYC S14Startup →OtherInactive

HoverChatMessage without interrupting what you're doingYC W14San FranciscoStartup →OtherInactive

ThreadableMailing lists 2.0. Threadable makes group email less noisy and more…YC W14San FranciscoStartup →OtherInactiveHumA chat program that integrates with email, with presence.YC S13San FranciscoStartup →OtherAcquired

VoiceGemVoice messaging platform - Acquired by Palantir in 2013YC S12San FranciscoStartup →OtherInactiveCoupleApp that connects two phones and creates a private timeline to share…YC W12San FranciscoStartup →OtherAcquired

FamilyLeafHelp families stay in touchYC W12San FranciscoStartup →Other

MedigramWe are making a HIPAA-compliant, Groupme app for doctors to…YC W12Los GatosStartup →OtherAcquired

SendHubSimple Business SMS. SMBs to Large Enterprise.YC W12San FranciscoStartup →OtherInactive

Talkray (TiKL)Instantly talk or text to one or a group of friends at once with the…YC W12San FranciscoStartup →Developer tools

OneSignalEngage customers through personalized omni-channel messagingYC S11San FranciscoStartup →OtherInactive

ConvoreHosted IRC and so much more.YC W11San FranciscoStartup →OtherAcquired

TalkBinConsumer to business messaging.YC W11San FranciscoStartup →OtherInactive

TellFiGoogle Voice for business.YC W11San FranciscoStartup →OtherInactive

MessagePartyLocal chat.YC S10New York CityStartup →OtherAcquiredHeysanFree messaging on mobile phonesYC W07San FranciscoStartup →OtherInactive

TsumobiMessaging.YC W07BostonStartup →

Company	Category	Status	Program
Dreachstaffing firms with dreach know before they hire.team of 5YC X26ActiveOther	Other	Active	YCX26
ArtilLet your agents message teammates and other agentsteam of 2YC W25ActiveAI, Devtools	AI, Devtools	Active	YCW25
CharmCharm is the universal payments app, send money to anyone.YC F24ActiveOther	Other	Active	YCF24
PraxosTeam messaging with built-in memoryteam of 3YC S24ActiveAI	AI	Active	YCS24
BoostlyPremier growth platform for restaurantsteam of 50YC S22ActiveAI	AI	Active	YCS22
DittofeedOpen-source customer engagement & messaging automationteam of 2YC S22InactiveDevtools	Devtools	Inactive	YCS22
SendoThe best SMS/RCS API for startupsYC W22InactiveDevtools	Devtools	Inactive	YCW22
HilosClose and activate your customers on WhatsAppteam of 5acquiredYC S21 +1AcquiredOther	Other	Acquired	YC +1S21
Union54Developers of ChitChat, an integrated messaging and payments wallet…team of 17YC S21ActiveOther	Other	Active	YCS21
HereWhere friends watch, play and hang together in digital roomsteam of 9YC S20InactiveOther	Other	Inactive	YCS20
LayloThe CRM powering iconic musicians and eventsteam of 24hiringYC S20ActiveOther	Other	Active	YCS20
EnveloopDesign and send messages from your app with a simple API.team of 5YC W20InactiveData, Devtools	Data, Devtools	Inactive	YCW20
CourierThe fastest way for developers to build notifications for their app.team of 35acquiredYC S19AcquiredDevtools	Devtools	Acquired	YCS19
treble.aiWe help companies scale marketing campaigns through WhatsAppteam of 38YC S19ActiveOther	Other	Active	YCS19
Glowing.ioUnified, enterprise messaging platform for leading brands of the worldteam of 11YC W18ActiveOther	Other	Active	YCW18
OpenlandMessenger for communitiesteam of 14YC W18InactiveOther	Other	Inactive	YCW18
GuggyGuggy is building the messaging app of the future with real time,…team of 2YC S17InactiveAI	AI	Inactive	YCS17
FiboSaaS calendar and messaging for SMBsteam of 15YC W17InactiveOther	Other	Inactive	YCW17
RileyMailChimp for SMSteam of 2YC W17InactiveOther	Other	Inactive	YCW17
BirdThe world’s largest omnichannel communications platformteam of 500YC top companyYC S16ActiveDevtools	Devtools	Active	YCS16
ChatfuelPlatform to easily create chatbots to engage with audiences on…team of 532 programsYC W16 +1ActiveDevtools	Devtools	Active	YC +1W16
MioMio powers seamless communication between workplace chat apps.team of 12YC W16ActiveDevtools	Devtools	Active	YCW16
PocketSuiteAll-In-One Business Operating System by PocketSuiteteam of 30hiringYC W16ActiveOther	Other	Active	YCW16
LocentLocent is an automated messaging platform for companiesteam of 11YC S15InactiveOther	Other	Inactive	YCS15
GroupAheadImprove communications with your group's own mobile app.team of 2YC W15InactiveOther	Other	Inactive	YCW15
OutboundCreate automated messages -- email, iOS/Android push, SMS and web…acquiredteam of 2YC W15AcquiredData	Data	Acquired	YCW15
Zip PhoneWhatsapp for voiceacquiredYC S14AcquiredOther	Other	Acquired	YCS14
HoverChatMessage without interrupting what you're doingteam of 11YC W14InactiveOther	Other	Inactive	YCW14
ThreadableMailing lists 2.0. Threadable makes group email less noisy and more…team of 2YC W14InactiveOther	Other	Inactive	YCW14
HumA chat program that integrates with email, with presence.team of 11YC S13InactiveOther	Other	Inactive	YCS13
VoiceGemVoice messaging platform - Acquired by Palantir in 2013acquiredteam of 2YC S12AcquiredOther	Other	Acquired	YCS12
CoupleApp that connects two phones and creates a private timeline to share…team of 2YC W12InactiveOther	Other	Inactive	YCW12
FamilyLeafHelp families stay in touchacquired2 programsYC W12 +1AcquiredOther	Other	Acquired	YC +1W12
MedigramWe are making a HIPAA-compliant, Groupme app for doctors to…team of 11YC W12ActiveOther	Other	Active	YCW12
SendHubSimple Business SMS. SMBs to Large Enterprise.team of 51acquiredYC W12 +1AcquiredOther	Other	Acquired	YC +1W12
Talkray (TiKL)Instantly talk or text to one or a group of friends at once with the…team of 2YC W12InactiveOther	Other	Inactive	YCW12
OneSignalEngage customers through personalized omni-channel messagingteam of 150hiringYC S11ActiveDevtools	Devtools	Active	YCS11
ConvoreHosted IRC and so much more.team of 2YC W11InactiveOther	Other	Inactive	YCW11
TalkBinConsumer to business messaging.acquiredYC W11AcquiredOther	Other	Acquired	YCW11
TellFiGoogle Voice for business.team of 2YC W11InactiveOther	Other	Inactive	YCW11
MessagePartyLocal chat.YC S10InactiveOther	Other	Inactive	YCS10
HeysanFree messaging on mobile phonesacquiredYC W07AcquiredOther	Other	Acquired	YCW07
TsumobiMessaging.team of 2YC W07InactiveOther	Other	Inactive	YCW07

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