Marker.io

Code & Developer Tools39 vendorsUpdated Nov 14, 2026marker.io Subprocessor list

Marker.io uses 39 subprocessors and infrastructure vendors, including AWS, Stripe and Cloudflare, based on its public subprocessor list. Last checked Nov 14, 2026.

AI Stack · 1

Infrastructure · 38

AI Stack

Embeddings

AI embeddings and search

Infrastructure

Cloud & Networking

Hosting and storage systems provider

Web performance and security

Application hosting

Databases

Data Storage

Observability

Logging

Error Handling

Communications

Meeting scheduling

Transactional & marketing messaging

Infrastructure

Communication

Billing & Payments

Invoicing

Payment

Tax calculation

Analytics & BI

Analytics

Customer Feature Requests

Analytics

Lead enrichment

Analytics

Google Analytics

Analytics

Analytics

IP Geolocation

Analytics

Analytics

Data Pipeline

Analytics

CRM & Support

CRM

CRM

Customer support

View their stack →

Forms

Developer Platform

Email validation

Google Workspace

Back office operations

Project Management

Internal documents

Internal automation

Forms

Professional Network

Ads

Advertising Platform

Ads

Productivity & Collaboration

Call recording

Model labs reached through vendors 5

Marker.io does not list these model providers. Vendors on its list name them on their own subprocessor lists.

OpenAIthroughCloudflare,Slack,Sentry,HubSpot,Intercom,Segmentand 12 more
AnthropicthroughCloudflare,Sentry,Intercom,Segment,Zapier,Linearand 8 more
SpaceXAIthroughCloudflare,Notion,Railway
Google (Gemini)throughAmplitude,Customer.io
CoherethroughLinear

Changes

Checked Nov 14, 2026Source

This is the first saved copy of Marker.io’s subprocessor list. Added and removed vendors will show here after the next check.

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