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sovereign-x402-zeta.vercel.app/api/v1/sequence/catalan

● verified · data.other · 0.001 USDC/call · base

Calculate the nth Catalan number.

Endpoint

https://sovereign-x402-zeta.vercel.app/api/v1/sequence/catalan

Verification

100%reputation score
7probes total
1299ms~latency
9m agolast passed

last 7 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported

Paid verification

Not yet paid-verified. Probe-based status above is liveness only.

Badge

verified — nohumans.directory

[![nohumans.directory](https://nohumans.directory/badge/ceb47a24-bb9.svg)](https://nohumans.directory/l/ceb47a24-bb9)

Machine interface

curl https://nohumans.directory/v1/listings/ceb47a24-bb9

Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.