Twilio Sub-Processors

Last Updated: April 2026

Third Party Sub-Processors

Twilio uses the third party companies below (each, a “sub-processor”) to process personal data (i) on behalf of Twilio customers; (ii) in accordance with customer instructions as communicated by Twilio; and (iii) in strict accordance with the terms of a written contract between Twilio and the sub-processor.

Twilio imposes obligations on its sub-processors to implement appropriate technical and organizational measures ensuring that the sub-processing of personal data is protected to the standards required by applicable data protection laws. Further information relating to sub-processor security measures can be found via the external links below.

Where the engagement of a sub-processor requires the cross-border transfer of personal data, Twilio has performed Transfer Impact Assessments for such data transfer.

Twilio maintains an up-to-date list of the names and locations of all sub-processors below. Twilio customers may subscribe to notifications of sub-processor changes to receive updates.

Duration of processing: For each sub-processor below, processing of personal data will be for the duration that the customer uses and continues to use the applicable service(s), and for the retention periods as set out in customer’s agreement with Twilio.

Please note that telecommunications providers used by Twilio are not processors of Twilio or sub-processors of our customers. Additional information about this position can be found here.

Sub-Processor

Applicable Service(s)

Subject matter

Nature and purpose of processing

Location(s) of processing

External links for additional information relating to security


Adaptive Mobile

Programmable Messaging

Personal data contained in communications sent through the Twilio Services

Prevention of illegal or unwanted communications over Twilio’s messaging services


AWS

All services

Personal data contained in communications sent through or uploaded to the services.

Infrastructure Provider providing hosting services and storage.


AWS

Programmable Voice

Personal data contained in voice communications.

Text to speech functionality for customers using Amazon Polly, Amazon Comprehend, and Amazon Transcribe.


AWS

Programmable Video

Personal data contained in streamed videos.

Streaming and interactive video.


AWS

Marketing Campaigns (SendGrid)

Personal data contained in email communications.

Automation and storage services for marketing campaigns.


AWS

Email (SendGrid)

Personal data contained in email communications.

Routing and transmission of emails.


AWS

CDP (Segment)

Personal data contained in communications sent through the Segment Services

Infrastructure Provider providing hosting services and storage.

USA or EU (Dublin) as selected by customers


Amazon Bedrock - Anthropic Claude

Twilio Flex

Personal data contained in communications sent through Flex.

Vendor for AI functionality in product


Clickhouse

Email (Sendgrid)

Personal data contained in email communications.

 

Routing and transmission of emails

USA, EU


Datadog

Segment

Stytch by Twilio

System and event logs only

Operational monitoring


DVELP/Sabio

Twilio Flex

Personal data contained in voice communications.

Connectivity services to customer’s Google CCAI instance.

UK (provision of the services), Belgium, Finland, Germany, Netherlands, and Poland (data persistence/backups)


Deepgram

Programmable Voice

Personal data contained in voice communications

Speech to text and text to speech APIs


Elastic

Stytch by Twilio

Storage, indexing, and retrieval of log data and User Personal Data (such as User IDs, emails, and metadata) to facilitate search functionality and system monitoring

Logging and query solution


ElevenLabs

Conversational Intelligence

Personal data contained in voice transcriptions 

AI features as enabled by customer for the purpose of summarization and sentiment analysis


Fivetran

Stytch by Twilio

Automated data pipeline service used to replicate and synchronize application data (which may include User Personal Data, billing information, and usage logs) from various third-party sources into a centralized data warehouse for internal analytics and business intelligence

ETL (Extract, Transform, Load) Service / Automated Data Integration


GoodData Corporation

Twilio Flex

Personal data contained in communications sent through Twilio Flex.

Data analytics functionality for customers who have enabled the feature in Twilio Flex.


Google

Segment/Twilio Engage

Personal data contained in communications sent through the Segment Services

Data storage compute and queries

USA or EU (Zurich & London) as selected by Customers


Google

Programmable Voice;

Twilio Flex

Personal data contained in voice communications.

Speech recognition functionality for customers who have enabled the feature on supported products.


Google RCS...

Verify

Phone numbers and message content

Message
delivery for outbound/inbound Twilio Verify services.

USASouth America: 
Chile, 
Europe: 
Ireland, Netherlands, Denmark, Finland, Belgium, 
Asia: Taiwan, Japan, Singapore


Hex

Stytch by Twilio

Processing and visualization of User Personal Data (such as User IDs and usage metrics) queried from data warehouse to generate internal business intelligence reports, dashboards, and analytics

Collaborative data workspace / Analytics & reporting


Honeycomb

Stytch by Twilio

Ingestion and analysis of system telemetry data (including traces, logs, and structured events) which may contain User Personal Data (such as User IDs, IP addresses, and request metadata) to facilitate real-time debugging, system reliability, and performance optimization

Observability & Application Performance Management (APM)

USA


Postmark

Stytch by Twilio

Personal data contained in voice communications.

Outbound email messaging service.

USA

https://postmarkapp.com/eu-privacy


Sinch

Stytch by Twilio

Personal data contained in voice communications.

Outbound SMS messaging service

USA

https://trust.sinch.com/


Meta

Whatsapp Channel

Stytch by Twilio

Phone numbers and message content

Outbound/inbound message delivery


Microsoft Azure

Conversational Intelligence

Personal data contained in voice communications

Speech recognition functionality for customers who have enabled the feature on supported products.


Mintlify

Stytch by Twilio

Personal data (including user)

Stytch by Twilio documentation customization


OpenAI

Flex Agent Copilot

Personal data contained in customer defined workflows

Customer.AI features as enabled by customer for the purpose of summarization, sentiment analysis and disposition


OpenAI

Segment Generative Audiences

Personal data contained in communications Sent through Segment Services

Customer.AI features as enabled by customer for the purpose of generating audiences


OpenAI

Conversational Intelligence

Personal data contained in voice communications

Customer.AI features as enabled by customer for the purpose of summarization and sentiment analysis


Plain

Stytch by Twilio

Storage and processing of User Personal Data (including names, emails, support tickets, and communication history) to facilitate multi-channel customer support, issue tracking, and resolution

Customer Support Infrastructure / Help Desk Platform


Snowflake

Marketing Campaigns (SendGrid)

Personal data contained in email communications.

Automation and storage services for Marketing Campaigns.


Snowflake

Stytch by Twilio

Processing and storage of User Personal Data (including names, email addresses)

Storage services


Temporal Cloud

Twilio Flex

Personal data contained in customer defined workflows

Scheduling and execution of the customer defined workflows.


Slack

Stytch by Twilio

Storage and processing of User Personal Data (including names, emails, support tickets, and communication history) to facilitate customer support

Customer Support chat/messaging solution.


Svix

Stytch by Twilio

Transmission and temporary processing of event notifications (webhook payloads) which may contain User Personal Data (such as User IDs, authentication events, and request metadata) to facilitate real-time updates to customer applications

Event delivery (webhooks as a Service)

USA


VoiceBase

Programmable Voice;

Twilio Flex

Personal data contained in voice communications.

Transcription services for customers who have enabled transcriptions on supported products.


* If using Regional Twilio for supported products, Customer Content is stored and processed in the region selected (Ireland or Australia). Exceptions will occur as necessary to investigate issues of fraud and abuse. At this time, all other data relating to your account and use of the Twilio Services will continue to be processed in the United States to allow Twilio to continue to provide and improve our Services to you.


Sub-Processor

Applicable Service(s)

Subject matter

Nature and purpose of processing

Location(s) of processing

External links for additional information relating to security

DataBank

 

Sendgrid Services

Personal data contained in communications sent through or uploaded to the services.

Infrastructure Provider providing hosting services and storage.

North America

Lumen

 

Sendgrid Services

Personal data contained in communications sent through or uploaded to the services.

Infrastructure Provider providing hosting services and storage.

North America

Digital Realty

 

Sendgrid Services

Personal data contained in communications sent through or uploaded to the services.

Infrastructure Provider providing hosting services and storage.

North America
EU

Twilio Inc.

All Services

If Twilio Inc. is not the Twilio party to the agreement, then Twilio Inc. is acting as a sub-processor for that Twilio party. (For example. If you are contracting with Twilio Ireland Ltd, then Twilio Inc. is acting as a sub-processor for the provision of the services.)

Provision of the Twilio Services


* If using Regional Twilio for supported products, Customer Content is stored and processed in the region selected (Ireland or Australia). Exceptions will occur as necessary to investigate issues of fraud and abuse. At this time, all other data relating to your account and use of the Twilio Services will continue to be processed in the United States to allow Twilio to continue to provide and improve our Services to you.