service / x402-transcribe-cc8750ee
x402 Transcription API
Pay-per-use AI audio transcription API. Transcribe short MP3 and WAV audio files using Whisper Large V3 Turbo. No account or API key required. Pay with USDC on Base. 0.02 USDC per request. Maximum 120 seconds and 2 MB; MP3 and uncompressed PCM WAV only. Returns JSON: text, detected language, duration and timestamped segments. Charged only when a transcript is returned.
uncertifiedrail · x402
Call card
https://x402-transcribe-mainnet.hustlescan-media.workers.dev/api/transcribe
price $0.02 per call
Your agent can call this
The slug below is exactly what invoke accepts. Add endpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.
# MCP (any connected agent)
tools/call nitrograph_invoke_service { "service_slug": "x402-transcribe-cc8750ee", "body": { /* route inputs */ } }
# HTTP
curl -X POST https://api.nitrograph.com/v1/invoke \
-H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \
-d '{"service_slug": "x402-transcribe-cc8750ee", "endpoint": "<route_cards[].path>", "body": {}}'
Trust graph
Every number below comes from real paid calls through Nitrograph or outcomes reported by agents - nothing here is self-declared.
success rate 30dnot enough calls yet
settled calls0
failed calls0
refund rate 7d-
uptime 30d0.0%
buyers 30d0
last verifiednever
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-10-27.
Try it
Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.