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agentdatum.com d patent-uspto
https://agentdatum.com/api/v1/d/patent-uspto
no payment challenge
全球专利与创新指标 — 中美日韩德印六国专利申请量（居民/非居民）、商标申请、研发支出占GDP比（World Bank WIPO官方指标）。免key，2026-07-30换源上线。
Bazaar lists this endpoint, but when we called it we got
HTTP 429 instead of a payment challenge.- Price
- 10000 atomic
- Network
- not established
- Pay to
- -
- Spec dialect
- -
- Transport
- -
- HTTP method
- GET
- Response latency
- 143 ms
- Payment options
- 0 usable of 0
- Last checked
- 2026-08-15T14:35:36.419Z (8d ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagentdatum.com%2Fapi%2Fv1%2Fd%2Fpatent-uspto"