Transcribe Transcribe

{
  "billed_minutes": 1,
  "duration_seconds": 10.79,
  "language": "en",
  "language_probability": 0.999,
  "pieces": 1,
  "price_per_minute_usd": "0.003",
  "processing_ms": 1400,
  "schema": "transcribe/1",
  "segments": [
    {
      "end": 3.4,
      "start": 0,
      "text": "Agents can pay per minute for transcription using x402."
    },
    {
      "end": 7.9,
      "start": 3.6,
      "text": "This is a short test of the speech-to-text route."
    }
  ],
  "source": {
    "bytes": 43520,
    "format": "mp3",
    "type": "url"
  },
  "srt": null,
  "task": "transcribe",
  "text": "Agents can pay per minute for transcription using x402. This is a short test of the speech-to-text route.",
  "total_usd": "0.003",
  "vtt": null
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.youraitools.co/transcribe/v1/transcribe?audio_url=https%3A%2F%2Fapi.youraitools.co%2Ftranscribe%2Fsample.mp3'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://api.youraitools.co/transcribe/v1/transcribe?audio_url=https%3A%2F%2Fapi.youraitools.co%2Ftranscribe%2Fsample.mp3' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.youraitools.co%2Ftranscribe%2Fv1%2Ftranscribe
const res = await pay("https://api.youraitools.co/transcribe/v1/transcribe?audio_url=https%3A%2F%2Fapi.youraitools.co%2Ftranscribe%2Fsample.mp3");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.youraitools.co/transcribe/v1/transcribe?audio_url=https%3A%2F%2Fapi.youraitools.co%2Ftranscribe%2Fsample.mp3")
    print(res.status_code, res.text)