Multi-channel communications API
Send across email, SMS, WhatsApp, and voice from a shared platform with one API and one contract. The site frames these channels as a single communications layer rather than separate point products.
Bird is a developer communications platform for sending email, SMS, WhatsApp, and voice from one API and contract, with SDKs, CLI, and MCP support.
Bird is a communications infrastructure platform for teams building software and AI agents. Its homepage presents email, SMS, WhatsApp, and voice behind one API and one contract, with docs and setup paths aimed at developers and agentic workflows.
The product page and pricing page focus first on email, then show the broader platform around it. Bird describes volume-based pricing for email, a free starting tier, and a shared primitives layer that includes typed APIs, SDKs, CLI tooling, MCP support, and real-time webhooks.
Send across email, SMS, WhatsApp, and voice from a shared platform with one API and one contract. The site frames these channels as a single communications layer rather than separate point products.
Use Bird from TypeScript, Python, or Go, or call it through REST, curl, and the CLI. The homepage also mentions MCP support for agent-driven workflows.
Email sending includes HTML and plain text support, React Email support, direct sending IPs, managed warm-up, ISP-aware routing, and SPF/DKIM/DMARC handling.
SMS messaging includes Tier-1 carrier coverage, 190+ countries, A2P 10DLC support, alpha sender IDs, DLT entity registration, smart routing, and voice OTP fallback.
Voice supports PSTN and SIP, outbound and inbound calls, declarative flow JSON for IVR, recording, live transcription, and streaming TTS in 30+ languages.
The platform includes test mode, real-time webhooks, HMAC-signed and replay-protected events, idempotency keys, cursor-based pagination, and scoped API keys.
Build a transactional email flow with HTML or plain text content, React Email templates, and delivery visibility through webhooks and audit logs.
Send OTP or account verification texts with carrier-aware routing, compliance filing support, and fallback to voice when SMS delivery degrades.
Run inbound or outbound voice flows with PSTN or SIP, IVR-style declarative steps, recording, and live transcription.
Support customer conversations over WhatsApp with templates, interactive replies, delivery and read receipts, and inbound webhooks.
Let agents and developers connect through MCP, CLI setup, or SDKs so messaging actions can be triggered from automated workflows.
Bird positions one platform for email, SMS, WhatsApp, and voice. The homepage and docs also point to a setup flow for agents, including an MCP server and CLI-based onboarding.
The pricing page shows email plans start free with 1,000 emails per month, then move to Startup, Growth, and Enterprise as volume increases. Pricing is volume-based rather than per-seat.
The docs page highlights quickstarts for TypeScript, Python, and Go, plus CLI-based setup and use cases for sending email or setting up an agent. The homepage also mentions REST, curl, SDKs, and MCP.
The homepage and product pages describe sending email, SMS, WhatsApp, and voice from a typed API. The collected sources do not show a complete list of every product-specific integration or limit.
Yes. The site explicitly mentions Claude Code, Cursor, Codex, Windsurf, Copilot, and any MCP client as supported setup paths for agent workflows.