STARWELL

← Catalog

European Central Bank Data Portal

European Central Bank · Key interest rates change only on Governing Council decisions (published as daily level series); EUR reference exchange rates are published each business day around 16:00 CET; HICP is monthly (flash estimate at month end, full release mid-following-month, with occasional revisions).

License: open-government · official terms. Attribution text and per-series license flags ride in every API envelope.

Source API docs · Verification statuses come from golden-value and freshness checks against the live source; see status.

Quickstart

Latest observations, with provenance and citation on every value:

curl "https://starwell.dev/api/starwell/v1/sources/ecb/series/HICP.M.U2.N.000000.4D0.ANR/observations?latest=12"

A computed, cited answer from this source:

curl -X POST "https://starwell.dev/api/starwell/v1/answer" \
  -H "Content-Type: application/json" \
  -d '{"question": "What is the latest HICP Inflation rate - Total - Annual rate of change?", "source": "ecb"}'

As MCP tools in Claude, Cursor, or any agent framework:

claude mcp add --transport http starwell https://starwell.dev/api/starwell/mcp

Series