> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.pinnacle.sh/v-2/changelog/2025/11/17/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.pinnacle.sh/_mcp/server. ## Audiences & Contacts Organize your recipients into audiences and manage contacts with full create, read, update, and delete support. ### What's new? **Audiences** Group contacts into audiences for targeted messaging. Create an audience, add or remove contacts, and use it as the target for bulk sends. * Create, update, and delete audiences * Add and remove contacts in bulk * Filter audiences by name [View API reference →](/api-reference/audiences) **Contacts** Store recipient details alongside their phone number — name, email, tags, and custom descriptions. Contacts can belong to multiple audiences and are reusable across campaigns. * Create and update contacts with metadata * Filter by phone number, name, tags, or archived status * Look up contacts by ID or phone number [View API reference →](/api-reference/contacts) > **Note** > > Have questions? Reach out to us - [founders@pinnacle.sh](mailto:founders@pinnacle.sh) > One API for RCS, iMessage, MMS, and SMS. Build, test, and scale every channel — send your first message in minutes, not weeks.