UNLOCK API
Audio

Audio

How to send a Audio task to UNLOCK API with createTask or in.php: task type names, every parameter, the solution object, proxy fields and code samples in 7 languages.
Price
$0.25 $0.00025 per task
You send
The audio as base64 (MP3), up to 500 KB, and its language
You get
The words in the recording

Overview and price

Task type names

This type has one name.
AudioTask

Task object

type
StringRequired
Task type name. Matched in any letter case. AudioTask
body
StringRequired
The audio file as base64 (MP3), up to about 500 KB.
lang
StringOptional
Language spoken in the audio, for example en.

Fields not listed here are passed to the solver as sent.

Request

POST /createTask
{
  "clientKey": "YOUR_API_KEY",
  "task": {
    "type": "AudioTask",
    "body": "SUQzBAAAAAAAI1RTU0U...",
    "lang": "en"
  }
}

Solution object

Returned in solution when status is ready.
text
String
The answer as text.
POST /getTaskResult
{
  "errorId": 0,
  "taskId": 1001,
  "status": "ready",
  "solution": {
    "text": "five three nine two"
  },
  "cost": "0.00025",
  "createTime": 1791640000,
  "endTime": 1791640014,
  "solveCount": 1
}

Code samples

import time, requests

API = "https://unlock-api.com"
KEY = "YOUR_API_KEY"

task = requests.post(f"{API}/createTask", json={
    "clientKey": KEY,
    "task": {
      "type": "AudioTask",
      "body": "SUQzBAAAAAAAI1RTU0U...",
      "lang": "en"
    }
}).json()
if task["errorId"]:
    raise SystemExit(task["errorCode"])

for _ in range(60):   # 60 x 5 s = the 5 minute task limit
    time.sleep(5)
    r = requests.post(f"{API}/getTaskResult", json={"clientKey": KEY, "taskId": task["taskId"]}).json()
    if r["errorId"]:
        raise SystemExit(f"{r['errorCode']}: {r.get('errorDescription', '')}")   # failed tasks are refunded
    if r["status"] == "ready":
        print(r["solution"]["text"])
        break
else:
    raise SystemExit("timed out")

in.php form method

The same task with the classic form request. res.php returns the answer as text.
in.php, res.php
curl -s "https://unlock-api.com/in.php" -d "key=YOUR_API_KEY&method=audio&lang=en&body=BASE64_AUDIO&json=1"
# {"status":1,"request":"1001"}

curl -s "https://unlock-api.com/res.php?key=YOUR_API_KEY&action=get&id=1001&json=1"
# {"status":0,"request":"CAPCHA_NOT_READY"}  then  {"status":1,"request":"ANSWER"}

Form API: in.php and res.php