generated: '2026-09-19'
method: probed
source: >-
  Live anonymous responses on 2026-09-19 - POST https://notary.hergertsynthora.com/service (402, header
  x-free-tier: 3, body freeTier.callsPerWallet 3) and POST https://api.hergertsynthora.com/v1/wallet-enrich
  (402, header x-free-tier: 1, body freeTier.callsPerWallet 1) - plus the published statements at
  https://api.hergertsynthora.com/llms.txt ("Free tier: 1 llamada por wallet (+3/dia/IP) en productos de
  datos") and https://catalog.hergertsynthora.com/catalog.json (features.free_trial "3 free calls per Base wallet").
description: >-
  The mesh has no request-rate limit in the usual sense: throughput is metered by payment. The only quota is
  the free trial, keyed on the caller's wallet address (and, per llms.txt, on IP per day), after which every
  call must carry an x402 payment. No 429 is documented; exhaustion surfaces as HTTP 402.
limit_count: 2
limits:
- scope: per wallet (X-WALLET header), per product
  window: lifetime of the free trial (not time-boxed in any published text)
  limit: 3 free calls (catalog, notary, most products); 1 free call on some gateway products (wallet-enrich observed)
  burst: n/a
  exhaustion_status: 402
  signal_headers: [x-free-tier (integer, the product's free-call allowance), payment-required (base64url x402 challenge), www-authenticate (x402 challenge; api gateway)]
  source: live 402 responses + catalog.json
- scope: per IP, data products
  window: per day
  limit: +3 calls per day per IP on top of the per-wallet trial
  burst: n/a
  exhaustion_status: 402
  signal_headers: none specific
  source: https://api.hergertsynthora.com/llms.txt
headers:
  observed_on_402: [payment-required, www-authenticate, x-402-asset, x-402-network, x-402-payto, x-free-tier, access-control-expose-headers: '*']
  x_ratelimit_family: none (no X-RateLimit-*, RateLimit-* or Retry-After observed or documented)
  status_on_exhaustion: 402
notes:
- The provider's own Demand Radar product reports mesh-wide traffic (550,410 requests over 50 endpoints since 2026-09-07 with 0.036% converting to payment, per the public ops panel) - a hint that unpaid probing is tolerated at volume rather than rate-limited.
- A 402 is also returned when a paid result cannot be produced (not charged); read the body's error/delivery fields to tell quota exhaustion from service failure.