ToolVet
80trust / 100

Yt Check Subtitles

by Sift Web Tools in News & content

x402 APIPassing, checked 33 min ago

Check a translated subtitle file against the original: meaning, grammar, timing, reading speed. Give the URLs of the original .srt or .vtt and its translation. A reviewer reads every cue pair and returns a 0-100 score, a verdict and only the cues that need attention (mistranslation, omission, grammar, spelling, unnatural phrasing) with a suggested correction, plus technical checks: cue count, timing drift, reading speed, line length. Works across any language pair, including Ukrainian.

GET
https://sift.srv1996466.hstgr.cloud/v1/yt/check-subtitles
Price
$0.015
per call in USDC
Uptime
100%
last 30 days
Response time
241 ms
499 ms slowest 5%
Last check
Passed
33 min ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

GET https://sift.srv1996466.hstgr.cloud/v1/yt/check-subtitles

Each call costs $0.015 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://sift.srv1996466.hstgr.cloud/v1/yt/check-subtitles?source_url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fsamples%2Fsubtitles.srt&translated_url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fsamples%2Fsubtitles-es.srt

Parameters

ParameterTypeRequiredDescription
source_languagestringNoLanguage of the original
source_urlstringYesOriginal subtitle file URL
target_languagestringNoLanguage of the translation
translated_urlstringYesTranslated subtitle file URL

Example response

The provider's example. We can't check it without paying.

{
  "language_issues": [
    {
      "cue": 3,
      "problem": "literal phrasing",
      "severity": "minor",
      "suggestion": "...",
      "type": "unnatural"
    }
  ],
  "score": 88,
  "technical_issues": [],
  "verdict": "needs a few fixes"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.015.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://sift.srv1996466.hstgr.cloud/v1/yt/check-subtitles?source_url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fsamples%2Fsubtitles.srt&translated_url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fsamples%2Fsubtitles-es.srt'

# 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://sift.srv1996466.hstgr.cloud/v1/yt/check-subtitles?source_url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fsamples%2Fsubtitles.srt&translated_url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fsamples%2Fsubtitles-es.srt' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// 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 $0.015 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.015" });
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 $0.015 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fv1%2Fyt%2Fcheck-subtitles
const res = await pay("https://sift.srv1996466.hstgr.cloud/v1/yt/check-subtitles?source_url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fsamples%2Fsubtitles.srt&translated_url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fsamples%2Fsubtitles-es.srt");
console.log(res.status, await res.text());
Python: pay and call
# 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 $0.015 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.015"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://sift.srv1996466.hstgr.cloud/v1/yt/check-subtitles?source_url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fsamples%2Fsubtitles.srt&translated_url=https%3A%2F%2Fsift.srv1996466.hstgr.cloud%2Fsamples%2Fsubtitles-es.srt")
    print(res.status_code, res.text)

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
33 min agoPassed402136 ms$0.015
5 h agoPassed402278 ms$0.015
10 h agoPassed402220 ms$0.015
15 h agoPassed402390 ms$0.015
19 h agoPassed402221 ms$0.015
Show 6 older checks
23 h agoPassed402241 ms$0.015
27 h agoPassed402379 ms$0.015
31 h agoPassed402260 ms$0.015
35 h agoPassed402499 ms$0.015
39 h agoPassed402222 ms$0.015
2 days agoPassed402210 ms$0.015