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list_courses

duolingo.com

Returns every available language course from https://www.duolingo.com in one page, including source and target language identifiers, names, learner totals, phase, and progress. Optionally filters courses by the language of instruction.

Parameters1
Runs10
Updated10d ago
Operational10 runs · 100% succeeded
30 days agotoday

Playground

Runs on Notte and spends your workspace credits — what comes back is the live response, not a sample.

What is list_courses?

Returns every available language course from https://www.duolingo.com in one page, including source and target language identifiers, names, learner totals, phase, and progress. Optionally filters courses by the language of instruction. It runs on Notte's browser infrastructure and returns structured JSON, so you can call it like any other API — pass from_language and get the result back without maintaining a scraper.

Response

{
  "total": 0,
  "courses": [
    {
      "phase": 0,
      "progress": 0,
      "num_learners": 0,
      "from_language": "<string>",
      "from_language_id": "<string>",
      "learning_language": "<string>",
      "from_language_name": "<string>",
      "learning_language_id": "<string>",
      "learning_language_name": "<string>"
    }
  ],
  "filter_applied": "<string>"
}

Call it

curl --location 'https://us-prod.notte.cc/functions/fa99d6df-d55b-454d-b67b-20aca6f17825/runs/start' \
--header 'x-notte-api-key: YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer YOUR_API_KEY' \
--data '{
    "function_id": "fa99d6df-d55b-454d-b67b-20aca6f17825",
    "variables": {
        "from_language": ""
    }
}'

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Call run(function_id="fa99d6df-d55b-454d-b67b-20aca6f17825") — the "list_courses" function, which returns every available language course from https://www.duolingo.com in one page, including source and target language identifiers, names, learner totals, phase, and progress. Optionally filters courses by the language of instruction..

It takes from_language (str). Return the result as structured JSON.