# Castingwords — MCP server on mcp.ai
> Connect your Castingwords account and use 9 tools for transcription straight from your AI agent. Connect with your own API key. CastingWords offers high-quality, human-powered transcription services with a RESTful API for seamless integration into various workflows.

By: mcp.ai · official
Page: https://mcp.ai/castingwords

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_castingwords?ms=1787293740000
Add it as a custom/remote MCP connector, then authenticate when prompted.

## REST API (no MCP client required)
Every tool is also a REST endpoint, authed with a workspace API key.
Discover: GET https://api.mcp.ai/api/castingwords/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/castingwords/<endpoint>
  Authorization: Bearer sk_live_…   # create one at https://mcp.ai/settings/api-keys
  Content-Type: application/json
  Body: { …args }   →   { "ok": true, "tool": "<id>", "result": { … } }

## Developer docs
How to use (MCP or REST), markdown: https://mcp.ai/castingwords/skill.md
Postman collection (v2.1): https://mcp.ai/castingwords/postman.json

## Tools
- castingwords_cancel_audiofile(test?: string, audiofile_id: integer) — Tool to cancel an ordered audio file and issue a refund if applicable. Use when no transcription work has been done on the file (Pre-Processing, Audio Processing, Error states).
- castingwords_get_prepay_balance() — Tool to retrieve the current prepay balance for the account. Use when you need to check available funds before placing new transcription orders.
- castingwords_get_transcript(test?: string, extension?: string, audiofile_id: integer) — Tool to retrieve the transcript for a given audiofile in the requested format (txt, doc, rtf, or html). Use after a transcription order has been completed.
- castingwords_get_webhook() — Tool to retrieve the currently registered webhook URL for account notifications. Use when you need to verify your webhook setup.
- castingwords_order_transcript(sku: string|string[], url: string|string[], name?: string[], test?: boolean, notes?: string) — Create a transcription order for audio/video files at publicly accessible URLs. Returns order ID and audiofile IDs for tracking. Requires prepaid balance for non-test orders. Use test=true to validate
- castingwords_order_upgrades(sku: string[], test?: boolean, audiofile_id: integer) — Tool to order an upgrade for a specific audio file. Use after transcription is complete to add items like timestamps or extra editing. Example: 'Order timestamps for file 12345'.
- castingwords_register_webhook(webhook: string) — Registers a webhook URL to receive CastingWords event notifications. When events occur (e.g., transcript completion, refund issued, difficult audio), CastingWords will POST to your registered URL with
- castingwords_sku_list() — Retrieves all available CastingWords transcription service SKUs with pricing. Use this tool to discover available services (transcription, captions, etc.) and their per-minute prices before placing an
- castingwords_test_webhook(event: string) — Tool to request a test webhook call for a specific event type. Use after registering a webhook URL to ensure webhook notifications are functioning properly.

## Example prompts
- "What can I do in Castingwords?"
- "Show me a summary of my Castingwords account"

## Links
Docs: https://mcp.ai/docs/mcps/castingwords
Website: https://mcp.ai/mcps/castingwords