Duolingo, Inc. — Investor Relations & Filings
Duolingo, Inc. is an educational technology company that operates a mobile learning platform. Its flagship application, Duolingo, is a leading language-learning platform offering gamified courses in numerous languages. The company has expanded its portfolio to include subjects such as mathematics and music, as well as a literacy app for children called Duolingo ABC. Additionally, Duolingo provides the Duolingo English Test, an online language proficiency assessment and certification accepted by institutions worldwide. The company operates on a freemium model, with a mission to make education universally accessible, and offers free tools for educators through its Duolingo for Schools program.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| ARS - Duolingo, Inc. (0001562088) (Filer) | 2026-04-17 | English | |
| DEF 14A - Duolingo, Inc. (0001562088) (Filer) | 2026-04-17 | English | |
| 4 - Duolingo, Inc. (0001562088) (Issuer) | 2026-03-28 | English | |
| SCHEDULE 13G/A - Duolingo, Inc. (0001562088) (Subject) | 2026-03-26 | English | |
| 4 - DUOLINGO, INC. (0001562088) (Filer) | 2026-03-04 | English | |
| 4 - DUOLINGO, INC. (0001562088) (Filer) | 2026-03-03 | English |
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Duolingo, Inc. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30402/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30402 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30402 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30402 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30402}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Duolingo, Inc. (id: 30402)"
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