the402 endpoint detail

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X402render regex test

https://x402render-u5vwpxpyua-uc.a.run.app/regex-test

answers 402

Tests a string against a regular expression and returns matches.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x71c09a4946d451Ae56F22EcAd4af4Fe1380aE347
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
48 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:13:41.943Z (31d ago)
Category
data

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402render-u5vwpxpyua-uc.a.run.app%2Fregex-test"