saylorinnovations.com/api/health/heart-rate-zones down

Trust Score

33 of 95

Open formula: /trust. Recomputed once a day from what alalanet observed and its sources publish; nothing here can be bought.

Payments

Read on chain by alalanet

1,920 payments from 16 wallets, $19.24

USDC on Base into this address since 2026-10-15; alalanet's own test wallet excluded

Repeat payers

7 paid on two or more days

Largest payer

70.2% of the payments

Independent payers

9 of 16 counted

alalanet read the wallets of the 10 largest payers: 1 funded by the seller, not counted; 0 joined to another payer (funded by it, or by the same address within 72 hours before both paid); 2 first funded within 72 hours before paying; the other 6 payers are not counted

This listing was first seen on 2026-11-05; payments before that day may be missing, so the figures are a lower bound.

Catalogue says

2 calls from 2 payers in 30 days

the catalogue's own counter (x402 Bazaar), not checked by alalanet

Description (from the catalogue, unverified)

Estimated maximum heart rate by Tanaka, Fox or Gulati formula and five training zones in beats per minute, with Karvonen reserve zones when resting rate is given

Signed history

Verify any statement offline: how.

For agents and owners

JSON: https://alalanet.com/v1/services/qnlx6hsfo27siw7l

Badge:

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