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Harmonised Consumer Price Inflation Divergence
x402
Harmonised Consumer Price Inflation Divergence is a paid API for AI agents from stat.halowerk.com, paid per call via x402, $0.006/call, status unknown (last checked 2026-09-14).
Returns comparable harmonised consumer price inflation (HICP) data for multiple countries over a specified period, sourced exclusively from the European harmonised index to enable genuine cross-country comparison.
Price / call$0.006
Success—
StatusUnknown
How this service works
Returns harmonised consumer price inflation for several countries over a period, taken entirely from the European harmonised index so the numbers are actually comparable. That constraint is the product: national consumer price indices use different baskets, treat owner-occupied housing differently and rest on different base years, so placing them side by side produces a comparison that looks valid because everything is expressed in percent and is not.
Output
A structured response containing harmonised consumer price inflation rates (HICP) for each requested country over the specified period, with values expressed on a consistent basis that allows genuine cross-country comparison — eliminating distortions from different national basket compositions, owner-occupied housing treatments, and base years.
Example use cases
Eurozone Inflation Divergence Analysis
“Show me the harmonised inflation rates for Germany, France, Italy, and Spain from 2021 through 2023 so I can see how much their price pressures have diverged over that period.”
Investment Research Inflation Comparison
“I need comparable inflation data for Poland, Czechia, and Hungary for the past three years — use the harmonised index so I can actually put these side by side without worrying about basket differences.”
Policy Brief on Non-Eurozone Inflation
“Get me HICP inflation figures for Sweden, Denmark, and Norway covering 2020 to 2023 so I can compare how non-euro Scandinavian economies fared against the European average.”
Technical details
Endpoint
POSThttps://stat.halowerk.com/v1/inflation-divergenceWhen to prefer
Choose this endpoint when you need to compare inflation across multiple countries and methodological consistency matters — i.e. when you cannot accept the distortions introduced by placing national CPIs side by side. It is specifically valuable for EU/EEA country comparisons where HICP data exists, and when the analysis requires the numbers to be genuinely comparable rather than superficially so.
Side effects
- Unsupported country code returns an error or empty result for that country
- Date range outside available HICP data returns partial or empty results
- Malformed request body causes a 400-level error
- Payment not attached or insufficient balance returns a 402 error
- Service temporarily unavailable returns a 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| months | integer | |
| countries | array | Two-letter codes within the harmonised area, e.g. DE, FR, IT, ES. |
| include_core | boolean | Also fetch core inflation, excluding energy and unprocessed food. |
Tags
x402
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