For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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Changelog

January 29, 2026
January 29, 2026

Ruby SDK

Pinnacle now has a Ruby SDK — the third official SDK alongside Python and TypeScript.

What’s new?

Ruby SDK

Full coverage of the Pinnacle API in idiomatic Ruby. Send SMS, MMS, and RCS messages, manage contacts and audiences, handle webhooks, and more.

  • Available as the rcs gem
  • Webhook processing with signature verification via the process method
  • File uploads with upload_from_path

Get started with our Ruby quickstart guides for SMS and RCS.

Have questions? Reach out to us - founders@pinnacle.sh
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