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GET
GetTariffTrends

Authorizations

X-WorldMonitor-Key
string
header
required

User-issued WorldMonitor API key.

Query Parameters

reporting_country
string

WTO member code of reporting country (e.g. "840" = US).

partner_country
string

WTO member code of partner country (e.g. "156" = China).

product_sector
string

Product sector filter (HS chapter). Empty = aggregate.

years
integer<int32>

Number of years to look back (default 10, max 30).

jmespath
string

Optional JMESPath expression applied server-side to project or reduce the JSON response before it is returned (mirrors the MCP jmespath argument). Invalid expressions, expressions larger than 1024 UTF-8 bytes, or projections that exceed the 256 KB output cap return HTTP 400 with a {_jmespath_error, original_keys} envelope. Grammar and worked examples: https://www.worldmonitor.app/docs/mcp-jmespath.

Response

Successful response

Response containing tariff trend datapoints.

datapoints
object[]
fetchedAt
string

ISO 8601 timestamp when data was fetched from WTO.

upstreamUnavailable
boolean

True if upstream fetch failed and results may be stale/empty.

effectiveTariffRate
object

Current effective tariff estimate for countries with coverage beyond WTO MFN baselines.