Founder of a listed tool
Robert Gerstmann
Named behind 2 listings on Anchor Terminal.
What Robert builds
Sinch Messaging APIs + MCP B · Messaging APIs
The SMS REST API and the Conversation API, which sends SMS, RCS, WhatsApp, Viber and Messenger through one message format, plus the Verification API.
Co-founder and Chief Evangelist, Sinch, researched 28 October 2026 · the people behind it
Sinch Voice API + MCP B · Phone calling & voice transport
Programmable voice over PSTN, SIP and WebSocket streams, driven by SVAML call-control JSON.
Co-founder and Chief Evangelist, Sinch, researched 28 October 2026 · the people behind it
Works with
- Björn Zethraeus Co-founder, Sinch (founded as CLX Communications)
- Henrik Sandell Co-founder, Sinch (founded as CLX Communications)
- Johan Hedberg Co-founder, Sinch (founded as CLX Communications)
- Kjell Arvidsson Co-founder, Sinch (founded as CLX Communications)
- Kristian Männik Co-founder, Sinch (founded as CLX Communications)
Questions
Who is Robert Gerstmann?
Robert Gerstmann co-founded Sinch, which started in 2008 as CLX Communications, and is its Chief Evangelist. Sinch grew from a team of six into a communications platform for messaging, voice, video and email.
What does Sinch make?
Anchor Terminal lists Sinch Messaging APIs + MCP and Sinch Voice API + MCP from Sinch. The SMS REST API and the Conversation API, which sends SMS, RCS, WhatsApp, Viber and Messenger through one message format, plus the Verification API.
How are Robert's tools graded?
Sinch Messaging APIs + MCP is graded B, 63.2 out of 100; Sinch Voice API + MCP is graded B, 62.7 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (6)
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