How many subprocessors does Apache Airflow use?

Apache Airflow lists 25 subprocessors on its published list, including Splunk, Zendesk, Zoom, Snowflake, and Okta and 20 more.

Where does Apache Airflow process customer data?

The subprocessors named by Apache Airflow are located in United States and Varies, as stated on its list.

Does Apache Airflow use customer data to train AI models?

According to its AI terms, Apache Airflow may use customer data to train AI models: “Astronomer may collect and use Inputs in anonymized and de-identified form solely to improve the AI Features”

How quickly does Apache Airflow report a personal data breach to customers?

According to its DPA, Apache Airflow reports a personal data breach to customers without undue delay, with no set deadline: “Astronomer will notify Customer without undue delay upon Astronomer becoming aware of a Personal Data Breach affecting Customer Personal Data.”

How much notice does Apache Airflow give before adding a subprocessor?

Apache Airflow's DPA gives 30 days' notice of a new subprocessor, the time customers have to object: “Astronomer shall provide Customer at least 30 days' prior notice of the addition of any Subprocessor to this list and the opportunity to object to such addition(s).”

How does Apache Airflow transfer personal data outside the EU?

Apache Airflow's DPA relies on standard contractual clauses: “the Parties agree to be bound by the terms of Module 2 (Controller to Processor) of the Standard Contractual Clauses”

When was Apache Airflow's subprocessor list last checked?

ClauseTrail last checked Apache Airflow's subprocessor list on September 28, 2026. Lists are re-checked daily.

How do I find out when Apache Airflow adds or removes a subprocessor?

ClauseTrail monitors Apache Airflow's subprocessor list, DPA, privacy policy and terms and emails you the exact change — who was added or removed and what the page said before and after. The first vendors are free.

Apache Airflow Subprocessors List (September 2026): Changes and History

Apache Airflow names 25 subprocessors on its published list. Read from the vendor's own page and re-checked daily.

Last checked September 28, 2026 Official source ↗

Apache Airflow subprocessors (September 2026)

#	Subprocessor	Purpose	Location
1	Splunk	Security information and event management (SIEM).	United States
2	Zendesk	Customer Support and Ticketing	United States
3	Zoom	Video Conferencing	United States
4	Snowflake	Data Warehouse	United States
5	Okta	SSO Provider	United States
6	Slack	Team Chat and Alerting	United States
7	Auth0	Product Identity and Access Management	United States
8	PagerDuty	On-call Support Alerting	United States
9	Google Cloud	Cloud Infrastructure	Varies
10	Microsoft Azure	Cloud Infrastructure	Varies
11	Amazon Web Services (AWS)	Cloud Infrastructure	Varies
12	Notion	Organizational tools, task management, project tracking, to-do lists, bookmarking	United States
13	HubSpot	Marketing Platform	United States
14	Salesforce	Sales CRM	United States
15	Twilio	Customer Data Platform	United States
16	Fresh Service	Ticketing system	United States
17	Discourse	Discussion forum	United States
18	Delighted	NPS Provider	United States
19	Clari	Sales Forecasting and Analysis	United States
20	Catalyst	Customer Success Management Platform	United States
21	Gong	Sales and Customer Call Recording	United States
22	Skilljar	Learning management system	United States
23	ClickHouse	High-performance, columnar database management system (Astronomer Observe Only)	United States
24	Confluent	Platform for data streaming	United States
25	Google Workspace	corporate email, document management, and internal collaboration	United States

Get an email when Apache Airflow changes its subprocessors

ClauseTrail re-checks this list every day and tells you exactly who was added or removed — including when a vendor starts sending data to an AI provider. The first vendors are free.

Track Apache Airflow free

AI and customer data at Apache Airflow

What Apache Airflow's own documents say, with the sentence each answer comes from.

Trains AI models on customer data: Yes

“Astronomer may collect and use Inputs in anonymized and de-identified form solely to improve the AI Features”
AI terms, www.astronomer.io ↗
Sends customer data to AI model providers: Yes

“Astronomer's AI Features utilize AI Providers that are managed by Astronomer.”
AI terms, www.astronomer.io ↗
How to opt out: Not stated in the documents we track.
How long AI features keep data: Upon customer request, Astronomer will delete a customer's Inputs and Outputs within 30 days, subject to legal retention obligations.

“Astronomer will delete Customer's Inputs and Outputs within thirty (30) days, subject to any retention obligations under applicable law.”
AI terms, www.astronomer.io ↗

Key DPA terms at Apache Airflow

What Apache Airflow's data processing agreement commits to, with the sentence each answer comes from. SCCs or the Data Privacy Framework: what's the difference?

Breach notification: Without undue delay, with no set deadline

“Astronomer will notify Customer without undue delay upon Astronomer becoming aware of a Personal Data Breach affecting Customer Personal Data.”
DPA, www.astronomer.io ↗
Notice of a new subprocessor: 30 days ahead

“Astronomer shall provide Customer at least 30 days' prior notice of the addition of any Subprocessor to this list and the opportunity to object to such addition(s).”
DPA, www.astronomer.io ↗
Transfers outside the EU: Standard contractual clauses

“the Parties agree to be bound by the terms of Module 2 (Controller to Processor) of the Standard Contractual Clauses”
DPA, www.astronomer.io ↗
Customer data after the contract ends: Deleted within 30 days of the contract ending

“Astronomer shall promptly, and in any event within thirty (30) days of the date of termination or expiration of the Service Agreement or upon written request, delete and procure the deletion of all copies of those Customer Personal Data.”
DPA, www.astronomer.io ↗
Audit rights: On request

“Astronomer shall make available to the Customer on request all information necessary to demonstrate compliance with this DPA, and shall allow reasonable audits and questionnaires”
DPA, www.astronomer.io ↗

Documents we track for Apache Airflow

AI terms: checked September 28, 2026 www.astronomer.io ↗
DPA: checked September 28, 2026 www.astronomer.io ↗
Privacy policy: checked September 28, 2026 www.astronomer.io ↗
Subprocessor list: checked September 28, 2026 trust.astronomer.io ↗
Terms of service: checked September 28, 2026 www.astronomer.io ↗
Trust page: checked September 28, 2026 www.astronomer.io ↗

Change history

Tracking since September 28, 2026. No change has been published since; additions, removals and document changes will appear here as they're published.

Apache Airflow subprocessors FAQ

How many subprocessors does Apache Airflow use?: Apache Airflow lists 25 subprocessors on its published list, including Splunk, Zendesk, Zoom, Snowflake, and Okta and 20 more.
Where does Apache Airflow process customer data?: The subprocessors named by Apache Airflow are located in United States and Varies, as stated on its list.
Does Apache Airflow use customer data to train AI models?: According to its AI terms, Apache Airflow may use customer data to train AI models: “Astronomer may collect and use Inputs in anonymized and de-identified form solely to improve the AI Features”
How quickly does Apache Airflow report a personal data breach to customers?: According to its DPA, Apache Airflow reports a personal data breach to customers without undue delay, with no set deadline: “Astronomer will notify Customer without undue delay upon Astronomer becoming aware of a Personal Data Breach affecting Customer Personal Data.”
How much notice does Apache Airflow give before adding a subprocessor?: Apache Airflow's DPA gives 30 days' notice of a new subprocessor, the time customers have to object: “Astronomer shall provide Customer at least 30 days' prior notice of the addition of any Subprocessor to this list and the opportunity to object to such addition(s).”
How does Apache Airflow transfer personal data outside the EU?: Apache Airflow's DPA relies on standard contractual clauses: “the Parties agree to be bound by the terms of Module 2 (Controller to Processor) of the Standard Contractual Clauses”
When was Apache Airflow's subprocessor list last checked?: ClauseTrail last checked Apache Airflow's subprocessor list on September 28, 2026. Lists are re-checked daily.
How do I find out when Apache Airflow adds or removes a subprocessor?: ClauseTrail monitors Apache Airflow's subprocessor list, DPA, privacy policy and terms and emails you the exact change — who was added or removed and what the page said before and after. The first vendors are free.