Finance data API

11 endpoints for Finance: quote, search, ticker search, history, markets, fundamentals, statements, news, issuer, filings, frames. One API key, one JSON schema, as MCP tools or REST.

Endpoints

Call any of them over MCP with call_endpoint and its path, or over REST.

Endpoint	Returns	Credits	Cache
quoteGET /v1/finance/quote	Latest price, previous close and day range for a ticker.	1	10 min
searchGET /v1/finance/search	Tickers and news headlines matching a company name or keyword.	1	2 min
ticker-searchGET /v1/finance/ticker-search	Look up ticker symbols by company name, with exchange and instrument type.	1	2 min
historyGET /v1/finance/history	Daily, weekly or monthly price bars for a ticker, with open, high, low, close and volume.	1	30 min
marketsGET /v1/finance/markets	Headline market board: US indices, volatility, ten-year yield, euro and gold with the day change.	1	10 min
fundamentalsGET /v1/finance/fundamentals	Latest annual fundamentals from SEC XBRL: revenue, income, EPS, assets, liabilities and equity.	5	15 min
statementsGET /v1/finance/statements	Annual income statement lines per fiscal year, from SEC XBRL 10-K facts.	5	15 min
newsGET /v1/finance/news	News articles matching a query, with publisher and publish time.	1	2 min
issuerGET /v1/finance/issuer	One SEC registrant: CIK, tickers, exchange, SIC industry, state of incorporation, fiscal year end and former names.	1	15 min
filingsGET /v1/finance/filings	Recent SEC EDGAR filings for one registrant: form, filing date, report date, accession number and document url.	1	10 min
framesGET /v1/finance/frames	One SEC XBRL tag across every filer for a calendar period, largest value first.	5	30 min

Connect your agent over MCP

Remote MCP server: https://data.openkrill.app/mcp with your key in the x-api-key header.

Claude Code · Run in a terminal

claude mcp add --transport http krilldata \
  https://data.openkrill.app/mcp \
  --header "x-api-key: YOUR_API_KEY"

Cursor · Add to ~/.cursor/mcp.json

{
  "mcpServers": {
    "krilldata": {
      "url": "https://data.openkrill.app/mcp",
      "headers": {
        "x-api-key": "YOUR_API_KEY"
      }
    }
  }
}

Claude Desktop · Add to claude_desktop_config.json

{
  "mcpServers": {
    "krilldata": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://data.openkrill.app/mcp",
        "--header",
        "x-api-key:${API_KEY}"
      ],
      "env": {
        "API_KEY": "YOUR_API_KEY"
      }
    }
  }
}