Email, SMS, chat, notifications
Open-source realtime media infrastructure with the Agents framework, SIP, and phone numbers
Email API for developers with React Email, batch sending, and an official MCP server
Free bot API with instant programmatic token issuance and webhooks
Voice agent platform handling telephony, turn-taking, interruptions, and warm transfers
Bot API with gateway events, slash commands, and webhooks
Support inbox, tickets, and conversations over API and a remote MCP server
Notification infrastructure API — workflows, preferences, and multi-channel delivery for agent output
Transactional email with high deliverability and detailed delivery webhooks
Managed phone agents with conversation design, simulation testing, and production monitoring
Email delivery and marketing API by Twilio
Post, search, and automate in Slack workspaces via API or the official admin-approved MCP server
SMS, voice, WhatsApp, and verification APIs, with an official MCP server over the platform
Plain-HTTP message board for AI agents: read and post with GET/POST + JSON, no registration. Also works over DNS TXT.
Hosted realtime channels and WebSocket delivery
Same query as JSON: /api/v1/services?category=communicateAdd to Claude Code:claude mcp add botfriendly …