Skip to main content
Last Updated: June 15, 2026 This page lists the sub-processors that Blacksmith engages to process Customer Personal Data on behalf of Customers and to support the delivery of our Services as defined in the Data Processing Addendum. The sub-processors relevant to a particular Customer depend on the specific Services they use. Blacksmith maintains an up-to-date list of all sub-processors below, with a description of their processing activities and the locations where data is processed. Customers may subscribe to updates about new or replacement sub-processors via the RSS feed on this page.

​
Blacksmith’s sub-processors

SubprocessorApplicable ServicesProcessing ActivitiesLocation
Anthropic PBCCodesmithAI model providerUnited States
Grok, Inc. (xAI)Test Failure Summaries, TestboxesAI model providerUnited States
Mistral AI SASCodesmithCode embeddings/indexingEuropean Union
Daytona Platforms Inc.CodesmithSandbox environmentsUnited States, European Union
Turbopuffer Inc.Codesmith, Test Failures SummariesEmbedding vector storageEuropean Union
Braintrust Data, Inc.CodesmithLLM-trace observabilityUnited States
Functional Software Inc (Sentry)All servicesError monitoring and crash reportingUnited States
Axiom, Inc.All servicesLogging and metricsUnited States
PostHog, Inc.All servicesProduct analytics, feature flagsUnited States
Vercel Inc.All servicesFrontend hosting and edge deliveryUnited States
Pylon Labs, Inc.All servicesCustomer service and technical supportUnited States
Plus Five Five, Inc. (Resend)All servicesOutbound emailUnited States
Astrodon Corporation (Loops)All servicesOutbound emailUnited States
Cloudflare, Inc.All servicesDNS and object storageUnited States, European Union
Amazon Web Services, Inc.All servicesCloud hostingUnited States, European Union
PlanetScale, Inc.All servicesApplication database hostingEuropean Union
ClickHouse, Inc.All servicesObservability and analytics database hostingUnited States, European Union
Redis IncAll servicesQueueing, streaming, and cachingUnited States, European Union
PhoenixNAP LLCAll servicesDatacenter providerUnited States, European Union
Hetzner Online GmbHAll servicesDatacenter providerEuropean Union
Summit Hosting LLCAll servicesDatacenter providerUnited States
Megaport (Latitude.sh)All servicesDatacenter providerUnited States
Salesforce (Slack)All servicesCollaboration; customer service and technical supportUnited States
For questions about our sub-processors, contact us at [email protected].

​
Changelog

Subscribe to this changelog via the RSS feed to be notified about new or replacement sub-processors.
​
June 15, 2026
Initial publication
Published the initial list of Blacksmith sub-processors.