the402 endpoint detail

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longevitypulse.theaslangroupllc.com longevity clinical-trials

https://longevitypulse.theaslangroupllc.com/api/longevity/clinical-trials

answers 402, partial

Longevity clinical trial search / anti-aging trial finder for research and health agents. Finds active trials from ClinicalTrials.gov by condition, intervention (rapamycin, metformin, NMN, senolytics, caloric restriction), or location worldwide, with eligibility and how to apply. Health intelligence, not medical advice.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse. It advertises 14 ways to pay and only 13 of them are usable.
Price
$0.10
Network
base
Pay to
0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
229 ms
Payment options
13 usable of 14
Last checked
2026-08-15T14:28:37.916Z (5d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Flongevitypulse.theaslangroupllc.com%2Fapi%2Flongevity%2Fclinical-trials"