Unified communications API and MCP server for email, SMS, WhatsApp, and voice, designed for developers and AI agents operating at runtime.
Bird provides a single API and MCP server for sending and receiving messages across email, SMS, WhatsApp, and voice channels under one authentication model, one idempotency contract, and one error envelope. It carries approximately 40% of the world's commercial messages and is built for AI agent operation at runtime with workspace-scoped OAuth access and full audit. Developer tools include SDKs for TypeScript, Python, and Go, a CLI with JSON output and semantic exit codes, an OpenAPI 3.1 spec, and a hosted MCP server at mcp.bird.com. Email and SMS/WhatsApp are generally available; voice API is rolling out. Bird is a product of Bird.
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