the402 endpoint detail

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api.x402node.dev knowledge wikidata

https://api.x402node.dev/knowledge/wikidata

payable

Search Wikidata entities (structured knowledge graph). Returns entity id (Q-number), label, description, concept URI, aliases. Use ?q=YOUR_QUERY plus optional and lang=en and limit=10. Built for AI agents needing canonical entity disambiguation and Linked Data IRIs. Accepts payment on Base or Solana — either network works.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base
Pay to
0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
47 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:18:21.474Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.x402node.dev%2Fknowledge%2Fwikidata"