Participant Kit
Participant Kit sells a user research operations platform for managing participants, consent and recruitment to research teams.
Subprocessors (11)
List updated Nov 13, 2025 · Checked Oct 25, 2026 · source disclosure ↗
| vendor | purpose | evidence |
|---|---|---|
| Heroku European Union, United States | Host our application and data stores; manage SSL Participant sub-processors | “Heroku | Host our application and data stores” |
| Amazon Web Services European Union | Secure storage for uploaded consent Participant sub-processors | “AWS | Secure storage for uploaded consent” |
| SparkPost European Union | Email provider - Application emails Participant sub-processors | “Sparkpost | Email provider” |
| Postmark United States | Email provider - Application emails (US alternative) Participant sub-processors | “Postmark | Email provider - Application emails” |
| Mailgun European Union | Email provider - Bulk emails sent to participants Participant sub-processors | “Mailgun | Email provider - Bulk emails sent to participants” |
| Heroku European Union, United States | Host our application and data stores; manage SSL Customer sub-processors | “Heroku | Host our application and data stores” |
| Amazon Web Services European Union | CDN and customer logos Customer sub-processors | “AWS | CDN and customer logos” |
| Postmark United States | Email provider - Application emails Customer sub-processors | “Postmark | Email provider - Application emails” |
| SparkPost European Union | Email provider - Application emails (EU alternative to Postmark) Customer sub-processors | “Sparkpost | Email provider” |
| Stripe United Kingdom | Payment processor Customer sub-processors | “Stripe | Payment processor” |
| AppSignal European Union | Monitoring and error tracking Customer sub-processors | “AppSignal | Monitoring and error tracking” |
| Segment United States | Data management and analytics Customer sub-processors | “Segment | Data management and analytics” |
| Mixpanel European Union | Product analytics (data received from Segment) Customer sub-processors | “Mixpanel | Product analytics” |
| Intercom United States | Customer support Customer sub-processors | “Intercom | Customer support” |
| Userlist United States | Promotional email delivery Customer sub-processors | “Userlist | Promotional email delivery” |
- HerokuEuropean Union, United States
Host our application and data stores; manage SSL
“Heroku | Host our application and data stores”
- Amazon Web ServicesEuropean Union
Secure storage for uploaded consent
“AWS | Secure storage for uploaded consent”
- SparkPostEuropean Union
Email provider - Application emails
“Sparkpost | Email provider”
- PostmarkUnited States
Email provider - Application emails (US alternative)
“Postmark | Email provider - Application emails”
- MailgunEuropean Union
Email provider - Bulk emails sent to participants
“Mailgun | Email provider - Bulk emails sent to participants”
- HerokuEuropean Union, United States
Host our application and data stores; manage SSL
“Heroku | Host our application and data stores”
- Amazon Web ServicesEuropean Union
CDN and customer logos
“AWS | CDN and customer logos”
- PostmarkUnited States
Email provider - Application emails
“Postmark | Email provider - Application emails”
- SparkPostEuropean Union
Email provider - Application emails (EU alternative to Postmark)
“Sparkpost | Email provider”
- StripeUnited Kingdom
Payment processor
“Stripe | Payment processor”
- AppSignalEuropean Union
Monitoring and error tracking
“AppSignal | Monitoring and error tracking”
- SegmentUnited States
Data management and analytics
“Segment | Data management and analytics”
- MixpanelEuropean Union
Product analytics (data received from Segment)
“Mixpanel | Product analytics”
- IntercomUnited States
Customer support
“Intercom | Customer support”
- UserlistUnited States
Promotional email delivery
“Userlist | Promotional email delivery”