Primary sources
Every live stream comes from an official national publisher.
Read the methodology →Quarterly GDP in national currencies from official sources.
curl --request GET \
--url "https://api.narwhalapi.com/v1/economics/USA/gdp?period=2026-Q2" \
--header "Authorization: Bearer $NARWHAL_API_KEY"{
"country": "USA",
"period": "2026-Q2",
"value": "31000100000000",
"currency": "USD",
"annualized": true,
"released_on": "2026-07-30"
}/v1/economics/{country}/gdpcountryperiodversion_idMCP · economics_get_gdp
/v1/economics/{country}/gdp/observationscountrystartendlimitcursorMCP · economics_get_gdp_history
curl --request GET \
--url "https://api.narwhalapi.com/v1/economics/USA/gdp/observations?start=2026-Q2&limit=100" \
--header "Authorization: Bearer $NARWHAL_API_KEY"{
"country": "USA",
"currency": "USD",
"annualized": true,
"as_of": "2026-08-12T00:00:00Z",
"observations": [
{
"period": "2026-Q2",
"value": "31000100000000"
}
],
"next_cursor": null
}Every live stream comes from an official national publisher.
Read the methodology →Omit it for the latest accepted complete release, or pass one exact period.
Use one API key for current and historical data through REST or MCP.
Parameters and response fields.
Read the docs →Release schedules, status, and publication versions.
Explore the API →Official indicators for prices, labour, output, trade, and rates.
Explore the API →Retrieve national GDP for one quarter, always at current prices.
YYYY-QN
Quarterly current-price national GDP coverage follows the country list below.