---
tool_name: voice-to-text
summary: Meeting recording or voice memo → accurate text transcript, no account gymnastics.
input:
  file: binary, required # audio or video file (max 500MB)
  lang: enum, optional # 语言
output:
  preview_url: string | watermarked preview, free, no auth
  task_id: string | unique task identifier
  payment_url: string | end-user must complete one-time payment to unlock final output
  final_download_url: string | only available after successful payment
auth: login via email/phone OTP on https://voice-to-text.yeezhan.com; API callers use a personal API key (Bearer yeek_...)
payment_rule: one-time charge $2.99 per task. NO credits, NO account balance. One payment unlocks only this task.
valid_window: 24 hours after payment
errors:
  - file_too_large
  - invalid_input
  - unsupported_type
  - target_unreachable
  - processing_failed
endpoint: https://voice-to-text.yeezhan.com/api/v1/run
---