Email and communications subprocessors
Transactional email, SMS, voice and messaging services that send messages to customers and their users, and so hold names, addresses and message content.
These 104 vendors appear on real companies' published subprocessor lists, with the purpose they were listed for.
Listing one on your own subprocessor list
Give the vendor's legal name, a short purpose such as"Transactional email delivery", and where it processes your customers' data. Check the vendor's own DPA or subprocessor page for the region you use.
| Vendor | Listed for | Website |
|---|---|---|
 360dialog GmbH | WhatsApp messaging | 360dialog.com |
 84 Codes | Managed messaging service | 84codes.com |
 8x8 Group Companies | Communications platform | 8x8.com |
 Active Campaign | Email marketing automation | activecampaign.com |
 Agora | Video-collaboration tooling | agora.io |
 Appcues | In-app notifications | appcues.com |
 AtData (fka Fresh Address) | Email validation service | atdata.com |
 Babelway | Communications technology provider | babelway.com |
 Barracuda | Email protection | barracuda.com |
 Beamer | Customer notifications | getbeamer.com |
 Bounceban | Email Validation | bounceban.com |
 Brevo | Email marketing platform | brevo.com |
 Campaign Monitor Pty Ltd. | Marketing email platform | campaignmonitor.com |
 CFS Inc | Messaging Communications | cfsinc.com |
 Chameleon Intelligent Tech Inc. | Application notifications | chameleon.io |
 Cisco Systems | Cloud Communications Platform | cisco.com |
 Coconut.co | Video encoding | coconut.co |
 Courier | Customer Notification Delivery | courier.com |
 Databreach.com | Email Intelligence | databreach.com |
 DIDWW | Voice Communication Service | didww.com |
 DMARC Digest | Email Delivery | dmarcdigests.com |
 Dogwood Labs, Inc. dba Statuspage | Service status notifications | statuspage.io |
 Drip | Email marketing | drip.com |
 Dstny (Qunifi Limited) | Communications platform | dstny.com |
 ECGrid | Communications technology provider | ecgrid.com |
 Esendex | SMS messaging service | esendex.fr |
 Exotel | This is a telephony service provider | exotel.com |
 FirmScribe | iMessage, SMS and RCS Message Capture | firmscribe.com |
 GatewayAPI | Communication | gatewayapi.com |
 Generic Mobile Systems Sweden AB | SMS services | generic.se |
 IMImobile | Communications technology provider | imimobile.com |
 Infobip | SMS and voice messaging | infobip.com |
 Intercom | Customer communication platform | www.intercom.com |
 Iterable | Email and SMS marketing | iterable.com |
 Kit | Email Marketing automation | kit.com |
 Kling | Video generation and processing services | kling.ai |
 Lark | Internal Communication and Collaboration | larksuite.com |
 Link mobility | SMS/MFA Service provider | linkmobility.com |
 LINK Mobility Poland Sp. z o.o. | SMS delivery service | smsapi.com |
 LiveChat | Real time customer communication | livechat.com |
 Lleidant USA, Inc | Messaging services | lleida.net |
 Loops | Marketing email delivery | loops.so |
 MailerLite | Email marketing | mailerlite.com |
 MailerSend | Transactional email service | mailersend.com |
 Mailgun | Email delivery service | www.mailgun.com |
 Mailtrap | Email Testing Sandbox | mailtrap.io |
 Messagebird | Email delivery | bird.com |
 Messagebird (FMA) | Messaging Provider | messagebird.com |
 Messente Communications OÜ | End-user communication solutions | messente.com |
 Mixmax | Sales communications platform | mixmax.com |
 Mux | Video API platform | mux.com |
 NeverBounce | Email Validation | neverbounce.com |
 Nooks | Sales Communications | nooks.ai |
 Novu | Cloud messaging | novu.co |
 OneSignal | Customer messaging | onesignal.com |
 Ozedi | Superannuation / Payroll messaging | ozedi.com.au |
 Ozonetel | This is a telephony service provider | ozonetel.com |
 Panopto | Client communications | panopto.com |
 Paubox | Email encryption service | paubox.com |
 Payt | Invoice management | paytsoftware.com |
 Plivo | Communications platform | plivo.com |
 Postmark | Transactional email service | postmarkapp.com |
 Product Fruits | In-app customer communication | productfruits.com |
 PubNub | Real-time in-app chat and messaging | pubnub.com |
 Rattle | Messaging Integration | gorattle.com |
 ReleaseNotes.io | Customer update communications | releasenote.co |
 Reply.io | Email Automation and Delivery | reply.io |
 Resend | Email delivery and transactional messaging | resend.com |
 Ringover | VoIP telecommunication tool | ringover.fr |
 Rocket.Chat | Team messaging platform | rocket.chat |
 Sendbird | Customer messaging platform | sendbird.com |
 SendGrid | Email delivery platform | sendgrid.com |
 Sendinblue | Transactional email service | sendinblue.com |
 Sendo | Messaging API | sendo.dev |
 Service Objects | Address & email validation | serviceobjects.com |
 SignalWire | Cloud telephony platform | signalwire.com |
 Sinch | SMS and messaging platform | sinch.com |
 Smartlead | Email sequencer | smartlead.ai |
 Sparkpost | Email delivery service | sparkpost.com |
 Superflow by Velt | Collaboration & Communication Software | velt.dev |
 Superlative Enterprises Pty Ltd | Email Data Breach Intelligence | haveibeenpwned.com |
 Symend | Customer communication platform | symend.com |
 Syniverse | SMS Provider | syniverse.com |
 TCN | Telephony | tcn.com |
 Telnyx | Telephony and messaging | telnyx.com |
 Telstra | Voice and Data Services | telstra.com.au |
 The Campaign Registry | Text Messaging Compliance | campaignregistry.com |
 Thena.ai (Pivoting Owl, Inc.) | Customer communication and support | thena.ai |
 ThinQ (a Commio company) | Voice Messaging | thinq.com |
 Userlist | Email marketing platform | userlist.com |
 VideoBGRemover | Video background remover | videobgremover.com |
 VIER GmbH | Voice gateway service | vier.ai |
 Virtru | Email encryption service | virtru.com |
 Virtual Sapiens | Video interaction assessment | virtualsapiens.co |
 Vonage | Transactional SMS | vonage.com |
 Vouch | Video interviews | vouchfor.com |
 Warmy | Email Health Management | warmy.io |
 WhatsApp Ireland Limited | Business messaging service | whatsapp.com |
 whereby.com | Video meeting software | whereby.com |
 Yabbr.io | SMS delivery and communications | yabbr.com.au |
 Yesware | Customer Communications | yesware.com |
 Zava Sprechstunde Online GmbH | Video meetings | sprechstunde.online |
 Zencoder | Video Transcoding | zencoder.com |
 Zerobounce | Email validation | zerobounce.net |
Last refreshed 17 July 2026. Each purpose is the one a vendor is usually listed for. Notice Labs doesn't check what a vendor does for any company, so confirm the purpose and location for your own use.
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