What else does Callfora use?

Cloudflare, Oracle Cloud Infrastructure, Stripe and Next.js, among 7 vendors we hold evidence for.

Which other companies use SendGrid?

10Web, 15Five, 17hats, 17hats University and Abnormal AI, among 988 companies with public evidence.

Yes. We hold strong evidence for this. Evidence: Subprocessor list.

Yes

We hold strong evidence for this.

The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.

Subprocessor listNamed as Twilio SendGridProcesses data for the company8 Nov 2026Source

Callfora has evidence for 7 vendors. The strongest:

See Callfora's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.