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Circle tech stack

circle.so

Circle provides a platform for building online communities, events, and courses under a customer's own brand. It serves creators, coaches, podcasters, and other community builders.

Summarized from its homepage on 4 Nov 2026.

The Circle homepage

Vendors of Circle and the evidence for each

Circle declares 20 subprocessors, including AI providers Anthropic, OpenAI.

VendorCategoryEvidenceLevel
CloudflareCloud and infrastructureConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Websiteheader: cf-ray: a58e06ccfe5a08f0-LAX11 Nov 2026Source
Companies using Cloudflare
HubSpotCRM and salesConfirmed
Subprocessor listNamed as Hubspot · Processes data for the company11 Nov 2026Source
Websitescript: ,\"href\":\"https://js.hs-scripts.com\"}],[\"$\",\"link\",null,{\"rel\":\"dns11 Nov 2026Source
Companies using HubSpot
100MSConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Amazon Web ServicesCloud and infrastructureConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Companies using Amazon Web Services
AnthropicAI and LLM providersConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Companies using Anthropic
BraintrustDeveloper toolsConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Companies using Braintrust
BuildkiteConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
ClayCRM and salesConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Companies using Clay
dbtDataConfirmed
Subprocessor listNamed as dbt Cloud · Processes data for the company11 Nov 2026Source
Companies using dbt
FathomProductivityConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Companies using Fathom

15 more vendors

See Circle's full stack and the source for every claim.

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Questions about Circle

Does Circle use Anthropic?Does Circle use OpenAI?

Certifications

StandardWhat the source saysChecked
SOC 2Company's statement“SOC 2 Certified GDPR Compliant”The company's own statement. SOC 2 has no public registry; the report itself is shared by the company, usually under NDA.11 Nov 2026Source

We last read its homepage on 11 Nov 2026 and the FedRAMP Marketplace on 8 Nov 2026. A standard not shown here was not found in these sources. That does not mean Circle lacks it.

Recent changes

DateChange
11 Nov 2026changed Zendesk
11 Nov 2026changed Zapier
11 Nov 2026changed Stripe
11 Nov 2026changed RevenueCat
11 Nov 2026changed OpenAI
11 Nov 2026changed New Relic
11 Nov 2026changed Mailgun
11 Nov 2026changed LiveKit
11 Nov 2026changed Hubspot
11 Nov 2026changed Google Cloud

Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.

See Circle's full stack

Every vendor with its source and date, and an alert when Circle adds or drops one. The same lookup works for any company.

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