Pricing & Plans — Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier
Live A2A & MCP endpoint security auditor, Tool Definition Quality Score (TDQS) certifier, prompt-injection scanner, and cryptographic trust oracle.
Free Sandbox
Zero-Cost Schema Preview
$0 / month
Instant zero-cost deterministic preview at /v1/try/certify and full MCP/A2A schema discovery.
Pay-Per-Call (x402 & MPP)
Keyless On-Chain Settlement
$0.002 / call
Keyless HTTP 402 micropayments via x402 v2 (Base, Arbitrum, Polygon, Optimism, Avalanche USDC) or IETF MPP at /v1/certify.
Pro Developer
High-Throughput API & MCP
$29 / month
Includes 20,000 API & MCP tool calls/month, priority queue routing, and Stripe Checkout metered billing.
Start Pro PlanEnterprise SLA
Dedicated Swarm Infrastructure
$199 / month
150,000 calls/month, dedicated Cloud Run concurrency, custom A2A swarm workflows, and 99.95% uptime SLA.
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