# Voxplo > AI phone receptionist and outbound calling API for small businesses and AI agents. Answers inbound calls 24/7, takes messages, books meetings, and lets AI agents place outbound calls via a REST API or MCP server. **When to use:** Use Voxplo when you need to place a real outbound phone call to a real person -- to book a meeting, confirm an appointment, qualify a lead, or deliver a reminder. It is the right tool when a task currently requires a human to pick up the phone. **Use cases:** - Book or confirm appointments by calling the end user directly - Qualify inbound leads with an outbound follow-up call - Send automated appointment reminders and handle reschedule requests - Collect verbal confirmations or structured data from customers **Constraints and limits:** Calls are blocked to destinations outside US, CA, GB, AU, NZ, IL. Numbers on do-not-call lists are blocked automatically. Calls are only placed during permitted calling hours (no calls at 2 AM). Per-account rate limits and minute allowances apply per plan. All calls announce recording at the start. ## Product - [Home](https://www.voxplo.ai/): Overview of Voxplo -- AI receptionist + agent calling API. - [AI receptionist](https://www.voxplo.ai/receptionist): AI receptionist for non-technical businesses (no code). Answers calls 24/7, books appointments, takes messages, warm-transfers to you. - [Pricing](https://www.voxplo.ai/pricing): Pay-as-you-go at $0.20/min incoming and $0.25/min outgoing with $10 free credit (first number free for 30 days, then $5/mo). Plans: Starter ($49/mo), Pro ($149/mo), Business ($299/mo), 14-day free trial on every plan. Markdown: https://www.voxplo.ai/pricing.md ## Developers - [Agent calling API overview](https://www.voxplo.ai/docs/agent-api): Overview of the outbound AI calling API for developers and AI agents. - [Quickstart](https://www.voxplo.ai/docs/agent-api/quickstart): Place your first outbound AI call in three steps using the REST API. - [API reference](https://www.voxplo.ai/docs/agent-api/api-reference): Full reference for POST /v1/agent/calls, GET /v1/agent/calls/{id}, GET /v1/agent/calls, status lifecycle, guardrails, and error codes. - [MCP server](https://www.voxplo.ai/docs/agent-api/mcp): Hosted MCP at https://mcp.voxplo.ai/mcp -- lets Claude, Cursor, or any MCP-compatible agent place and track calls as tool calls (place_call, get_call, list_calls). - [SDKs](https://www.voxplo.ai/docs/agent-api/sdks): Python and Node source SDKs with place_call/wait_for_call helpers and webhook verification. - [Webhooks](https://www.voxplo.ai/docs/agent-api/webhooks): Real-time signed events (X-BYS-Signature) delivered during and after each call. - [Versioning and deprecation policy](https://www.voxplo.ai/docs/agent-api/versioning): URL versioning (/v1), what counts as breaking, 90 days notice, the Deprecation/Sunset/Link headers, and the RateLimit header conventions. ## Website widget - [Add the widget](https://www.voxplo.ai/docs/widget): Embed the Voxplo chat+call widget on any website. - [Developer reference](https://www.voxplo.ai/docs/widget/developers): Configuration options and JS API for the website widget. ## Dashboard (for account holders) - [Dashboard tour](https://www.voxplo.ai/docs/account): Overview of the account dashboard. - [Phone numbers](https://www.voxplo.ai/docs/account/numbers): Buy and manage phone numbers. - [Call handling and forwarding](https://www.voxplo.ai/docs/account/forwarding): Configure how calls are routed and forwarded. - [Calls and customers](https://www.voxplo.ai/docs/account/calls): View call history, transcripts, and summaries. - [AI assistant](https://www.voxplo.ai/docs/account/assistant): Configure your AI receptionist's name, persona, and knowledge. - [Calendar booking](https://www.voxplo.ai/docs/account/calendar): Connect a calendar so the assistant can book meetings. ## Machine-readable resources - [OpenAPI 3.1 spec](https://www.voxplo.ai/openapi.json): The Voxplo Agent API, machine-readable. - [Full docs in one file](https://www.voxplo.ai/llms-full.txt): Every developer page as plain text. - [Agent guide](https://www.voxplo.ai/agents.md): How an AI agent should use Voxplo, with limits and safety rails. - [Site overview as markdown](https://www.voxplo.ai/index.md): The homepage in plain text; the pricing page is at https://www.voxplo.ai/pricing.md. - [MCP manifest](https://www.voxplo.ai/.well-known/mcp.json): The hosted MCP server, its transport, auth and tools. Live MCP endpoint on this domain: https://www.voxplo.ai/.well-known/mcp (proxies https://mcp.voxplo.ai/mcp). - [MCP server card](https://www.voxplo.ai/.well-known/mcp/server-card.json): Full tool schemas. - [MCP authentication](https://mcp.voxplo.ai/auth.md): OAuth discovery, dynamic registration, token flow. - [API catalog](https://www.voxplo.ai/.well-known/api-catalog): RFC 9727 linkset of the APIs. - [Agent card](https://www.voxplo.ai/.well-known/agent-card.json): A2A agent card. - [Sitemap](https://www.voxplo.ai/sitemap.xml): Every public URL. - [404 as markdown](https://www.voxplo.ai/404.md): What a missing page returns to an agent. ## Contact and support - [Support](https://www.voxplo.ai/support): Contact the Voxplo team. - [FAQ](https://www.voxplo.ai/faq): Frequently asked questions.