Mastercard Agent Pay, Visa Trusted Agent and x402 move the money. None of them prove a real, attentive human actually performed the task. 5arz issues that proof — a portable, cryptographically verifiable credential — and you pay per verification.
One signed credential per verified unit of human work — portable, provable, drop-in.
An ES256 JWT (Proof-of-Human-Fulfillment) per verified unit of work — quality score plus tamper-evident telemetry and recording hashes. Verify it with our public JWKS using any standard JWT library, no 5arz SDK.
Each unit of verified work is a Controllable Electronic Record under UCC Art. 12 — the "take-free" rule gives buyers a clean chain of title to the human output, a real edge in a bot-poisoned market.
Compatible with Verifiable Intent and the Visa Trusted Agent Protocol; settles over Agent Pay, Stripe, or USDC. Bind each credential to your agent key (cnf.jkt).
Four calls from registration to a credential anyone can trust.
Get an API key (arz_live_…).
Prepay a pack of verifications via Stripe.
Call /api/agents/verify on a verified human session.
Validate the credential against the public JWKS.
Verifying a real human is free and unlimited. Prepaid packs cover document-grade checks only — the more you buy, the less each costs.
Volume & enterprise (metered billing, SLAs, on-prem verifier): info@5arz.com.
Create a key and verify in four calls — the Free plan covers it.
Accounts are created in one place, so your key, your billing and your dashboard stay on the same record. Two fields, no card.
Get your free API key →Building an autonomous agent that signs itself up? Call POST /api/agents/register directly — documented below, no browser required.
Your key is shown once. Run these four calls:
# 1) Register — API key shown once
curl -s -X POST https://api.5arz.com/api/agents/register \
-H "Content-Type: application/json" \
-d '{"name":"my-agent","contactEmail":"you@company.com"}'
# 2) Verify a human — one call, uses your free credits
curl -s -X POST https://api.5arz.com/api/agents/verify \
-H "Authorization: Bearer arz_live_…" \
-H "Content-Type: application/json" -d '{"memberId":"<verified_human_id>","taskType":"review"}'
# 3) Check verifications remaining
curl -s https://api.5arz.com/api/agents/credits/balance \
-H "Authorization: Bearer arz_live_…"
# 4) Ready for more? Buy a pack (returns a Stripe link)
curl -s -X POST https://api.5arz.com/api/billing/checkout \
-H "Authorization: Bearer arz_live_…" \
-H "Content-Type: application/json" -d '{\"plan\":\"starter\"}'
Paste your agent key and pick a pack — we open a secure Stripe checkout. Your key never leaves your browser.
The fulfillment layer, in plain terms.
A cryptographically signed credential (ES256 JWT) proving a real, attentive human — not a bot — performed a task. Anyone can verify it against 5arz's public JWKS; no 5arz SDK required.
Commission verified work or reference a verified human session, then call /api/agents/verify. You get back a PoHF credential validatable against the public keys.
Free: 10,000 seals a month plus 10 document checks, no card. Then Starter $99, Growth $499, Scale $2,499 per month. A human never pays to complete their verified human profile.
Yes — 5arz is the fulfillment half of agentic commerce. Compatible with Verifiable Intent and the Visa Trusted Agent Protocol; settles over Agent Pay, Stripe, or USDC.