Service metadata

Αποσπάσματα κώδικα

curl "https://api.oanor.com/investmentgrowth-api/v1/meta" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/investmentgrowth-api/v1/meta", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/investmentgrowth-api/v1/meta");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/investmentgrowth-api/v1/meta",
    headers={"x-oanor-key": "oanor_test_..."}
)

Παράδειγμα απόκρισης

Πραγματική απόκριση αυτού του endpoint, από τον τελευταίο έλεγχο υγείας.

{
    "data": {
        "note": "board and momentum take countries_only (true to drop aggregates such as OECD, G20, EU). country takes country (ISO-3 code or name, required). meta takes no parameters. Growth figures are in percent; yoy is year-on-year, qoq is quarter-on-quarter. Quarterly data; a multi-hour protective cache fronts the OECD upstream.",
        "source": "OECD Quarterly National Accounts (DF_QNA_EXPENDITURE_GROWTH_OECD, gross fixed capital formation P51G) via OECD SDMX API, real, seasonally adjusted, live, keyless",
        "service": "investmentgrowth-api",
        "economies": 50,
        "endpoints": {
            "GET /v1/meta": "This document.",
            "GET /v1/board": "Economies ranked by year-on-year real investment growth (countries_only optional).",
            "GET /v1/country": "One economy's investment growth, year-on-year and quarter-on-quarter (country=USA).",
            "GET /v1/momentum": "Economies ranked by the latest quarter-on-quarter investment move."
        },
        "description": "Investment growth — how fast each economy is investing in new capital (gross fixed capital formation: machinery, buildings, infrastructure, equipment), live from the OECD's Quarterly National Accounts (no key). It serves the quarter-on-quarter and year-on-year growth of real investment. board ranks economies by year-on-year investment growth; momentum ranks by the latest quarter-on-quarter move; country gives one economy's figures with a plain-language read. Investment is the most cyclical, forward-looking GDP component and leads the business cycle. The capital-investment / capex cut — distinct from the headline GDP-growth board (this isolates the investment component), the consumer-demand and trade boards, the annual IMF database, and the generic data aggregator.",
        "united_states": {
            "qoq": 1.31,
            "yoy": 2.88,
            "quarter": "2026-Q1"
        },
        "upstream_status": "ok"
    },
    "meta": {
        "timestamp": "2026-06-12T19:37:06.777Z",
        "request_id": "7f8e4d0c-a303-40ed-bdba-4909d024b3c5"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}