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Pricing

Simple. Competitive. Predictable.

Developers start in 2 minutes, no credit card required. Large teams get an annual contract with invoice billing.

StandardDev & Startups
$0.99/ certificate

Pay per act. No subscription. No auto-renewal. You certify when you need it.

  • ✓1 on-chain ERC-8004 certificate — valid 24h
  • ✓7-check oracle runs at issuance
  • ✓SHA-256 immutable audit trail
  • ✓Verify & revoke — always free
  • ✓Community docs & support
$0.99
GrowthTeams
$299/month

Flat monthly bill. Designed for teams scaling in production.

  • ✓300 certifications / day included
  • ✓$0.035 per extra certification
  • ✓Priority oracle queue
  • ✓Email support — response < 24h
  • ✓Usage dashboard
SentinelEnterprise
Custom/year

Annual contract. Invoice billing. SLA-backed. For finance teams who need predictability.

  • ✓Annual prepaid volume (250k → 5M+ certs)
  • ✓Invoice billing — no credit card required
  • ✓99.5% SLA — service credits in contract
  • ✓Dedicated contact, response < 4h (business hours)
  • ✓DPA + NDA provided
  • ✓Monthly PDF report for regulators
  • ✓On-demand regulatory export package
  • ✓Self-hosted deployment (planned)
Contact us
Pay withCredit card (Stripe)·USDC on Base L2·Invoice (Sentinel only)Pay in USDC →
Regularly exceeding 300 certs/day? Sentinel S ($7,500/yr) beats Growth with overage at ~240k certs/yr — and your finance team gets a single invoice under $10k. Talk to us about your fleet →

Sentinel — indicative volumes

Annual prepaid pricing on invoice. The more you commit, the lower the per-certificate cost.

Sentinel S~$7,500/yr
250,000 certs/yr$0.030/cert / cert
Sentinel M~$20,000/yr
1,000,000 certs/yr$0.020/cert / cert
Sentinel L~$60,000/yr
5,000,000 certs/yr$0.012/cert / cert
Sentinel ∞Negotiated
Unlimited— / cert

Standard: $0.99/cert · Growth overage: $0.035/cert · Sentinel S: $0.030/cert · Sentinel L: $0.012/cert — 82× cheaper than pay-as-you-go at scale. Each tier beats the previous at its entry volume.

Operation details

Issue ERC-8004 certificate$0.99

per certificate (24h validity)

Includes 7-check oracle + Base L2 gas + on-chain storage.

Renew certificate$0.99

per renewal

New oracle run + new 24h validity. Same price as issuance.

Revoke certificateFree

per revoke

We don't charge to remove risk from the network.

Verify certificate (API)Free

per call

Public GET /api/verify — rate limited in beta.

GDPR / transparency logFree

per call

Read-only SHA-256 audit trail.

Why 24 hours? Short validity keeps trust scores fresh and limits exposure if an agent's behavior changes. Renew as often as you need.

On-chain infrastructure, flexible payment. Certificates are anchored on Base L2 — immutable and publicly verifiable. Standard payment: USDC (native) or credit card via Stripe. Growth & Sentinel: card or invoice billing. Contact us for Sentinel.

SLA, support & Enterprise →