the402 endpoint detail

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api.x402node.dev text similarity

https://api.x402node.dev/text/similarity

payable

Compare two texts and return cosine and Jaccard similarity scores with the top shared keywords, useful for duplicate and near-duplicate detection. text similarity, string similarity, compare documents, duplicate detection, content overlap 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
$0.003
Network
base
Pay to
0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
45 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:19:13.588Z (1d ago)
Category
finance-crypto

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