Arcario AB — Investor Relations & Filings
K33 AB (publ), formerly known as Arcario AB, is an investment company focused on the digital asset sector. The company's core operation is the K33 platform, an institutional-grade Over-The-Counter (OTC) service for trading and storing cryptocurrencies. The platform is designed for investors and provides deep liquidity for buying and selling digital assets. Key features include the absence of trading fees, withdrawal fees, and withdrawal limits. It also offers personalized customer support and facilitates direct bank transfers with flexibility across multiple fiat currencies.
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Market data
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Price history
Peer group · Administration of financial markets
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Arcario AB 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/8306/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=8306 | 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=8306 | 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=8306 \ -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": 8306}, 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 Arcario AB (id: 8306)"
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