5Arz Proof Of Human

Create a 5arz API key so your agent can request proof-of-human credentials. Every new key includes a 20-verification free tier (no card). Pass mode:"test" for an unlimited free sandbox key (arz_test_…) whose credentials are marked test:true — never treat test credentials as production proof. The key

Mint a signed Proof-of-Human-Fulfillment (PoHF) credential attesting a real, unique, attentive human performed an action. Provide sessionId to attest work fulfillment, or memberId to attest personhood (anti-sybil, optionally wallet-bound). Spends 1 credit (free inside the 20-verification tier; unlim

Independently verify a 5arz PoHF JWT: checks the ES256 signature against the live public JWKS and validates expiry/not-before, then returns valid/invalid plus the decoded claims. No API key needed — this is pure cryptographic verification you could also do with any standard JWT library.

Return the current Verified-Human-Hour (VHH) index — the benchmark price of one hour of verified human work/attention, in USD. Free, no API key. Useful for pricing verified-human data and as a citable benchmark.

Get a Stripe checkout link for a prepaid verification pack: starter (100 / $49), growth (1,000 / $299), or scale (10,000 / $1,999). Credits post on payment. Test keys skip this (unlimited). For pay-per-call settlement, 5arz also supports x402. Requires an API key.

Return remaining prepaid verification credits, plus lifetime purchased/consumed. Requires an API key.