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Companies / Hail

Hail tech stack

hail.so

Hail gives AI assistants a phone number and email inbox so they can handle calls, texts, and email. It serves people setting up AI receptionists and developers adding AI calls, email, and SMS to apps through an API.

Summarized from its homepage on 10 Nov 2026.

Classified asAI and machine learningCommunications

The Hail homepage

Vendors of Hail and the evidence for each

Hail declares 17 subprocessors, including AI providers Anthropic, Cartesia, Deepgram, ElevenLabs, OpenAI.

VendorCategoryEvidenceLevel
VercelCloud and infrastructureConfirmed
Subprocessor listProcesses data for the company10 Nov 2026Source
Privacy policyProcesses data for the company10 Nov 2026Source
Websiteheader: x-vercel-id: sfo1::iad1::dbq4d-1794348552791-36f7557610 Nov 2026Source
Companies using Vercel
DeepgramAI and LLM providersConfirmed
Subprocessor listProcesses data for the company10 Nov 2026Source
Privacy policyProcesses data for the company10 Nov 2026Source
Companies using Deepgram
LiveKitEmail and communicationsConfirmed
Subprocessor listProcesses data for the company10 Nov 2026Source
Privacy policyProcesses data for the company10 Nov 2026Source
Companies using LiveKit
PostHogAnalyticsConfirmed
Subprocessor listProcesses data for the company10 Nov 2026Source
Privacy policyProcesses data for the company10 Nov 2026Source
Companies using PostHog
StripePaymentsConfirmed
Subprocessor listProcesses data for the company10 Nov 2026Source
Privacy policyProcesses data for the company10 Nov 2026Source
Companies using Stripe
SupabaseCloud and infrastructureConfirmed
Subprocessor listProcesses data for the company10 Nov 2026Source
Privacy policyProcesses data for the company10 Nov 2026Source
Companies using Supabase
Amazon Web ServicesCloud and infrastructureConfirmed
Subprocessor listNamed as AWS · Processes data for the company10 Nov 2026Source
Companies using Amazon Web Services
AnthropicAI and LLM providersConfirmed
Subprocessor listProcesses data for the company10 Nov 2026Source
Companies using Anthropic
CartesiaAI and LLM providersConfirmed
Subprocessor listProcesses data for the company10 Nov 2026Source
Companies using Cartesia
DIDWWEmail and communicationsConfirmed
Subprocessor listProcesses data for the company10 Nov 2026Source
Companies using DIDWW

11 more vendors

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

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Questions about Hail

Does Hail use Deepgram?Does Hail use Anthropic?Does Hail use Cartesia?Does Hail use ElevenLabs?Does Hail use OpenAI?

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

See Hail's full stack

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

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