GovContract Radar Docs

Main business: the US import tariff data API. Look up duty rates by HS code or product — free, no key. Unlock the complete 2026 HTS schedule, Section 301 stacked estimates, EU rates and change alerts on /pricing.

Tariff data API

Tariff Lookup APIHS code · product · free tierGET /v1/tariff?hs=8703.24 Batch & AlertsMass lookup · change notifications$0.03 per target Free tariff CSV30 real product categoriesDownload →
# Free — look up a rate, no key needed
curl "https://pixharvest.com/v1/tariff?hs=8703.24"
# → usBase 2.5% · China 2026 stacked 37.5% · EU 10.0%

# Paid — full schedule + batch on /pricing
#    One key also works across all five data products

Independent data products

Shopify Store Intelligence APIShopify stores · free snapshot, paid change intels-shopify.pixharvest.comGitHub Repository Intelligence APIGitHub repositories · free snapshot, paid change intels-github.pixharvest.comHacker News Mention Intelligence APIHacker News mentions · free snapshot, paid change intels-hn.pixharvest.comApp Store Intelligence APIApp Store apps · free snapshot, paid change intels-app.pixharvest.comHiring Signals Intelligence APIcompany job boards · free snapshot, paid change intels-hiring.pixharvest.com

Payment

Agents: paid calls return HTTP 402 with a payment challenge; settle USDC on Base via x402 and retry. Humans: choose a plan, send the exact USDC amount, key issued automatically. See pricing →

Also

Authentication & payment details · Tariff API docs · Live demo · Pricing