Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier
Autonomous A2A v0.3.0, MCP Streamable HTTP, and x402 Security Observatory computing deterministic TDQS trust grades, prompt-injection audits, and cryptographic execution receipts.
1 route settlement-verified · $0.005 USDC/request · 1 endpoint · Verification · base network · x402 protocol
Verified routes
GET /v1/certify· $0.005 · Verified with a $0.005 test payment on 6 Nov 2026 · receipt
Other routes are unverified.
Networks: Base (settlement-verified)
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcpListing facts
- Provider
- Roberto Yanguas
- Hosted at
assay.agentdiet.dev- Category
- Verification
- Price
- $0.005 USDC per request
- Payment networks
- Base
- Settlement-verified
- 1 route, last checked 2026-11-06
- Listed on PayAPI Market
- 2026-10-20
Try Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier
Call a verified route without paying first. The server should answer HTTP 402 Payment Required with the price, the USDC asset, the network and the wallet to pay. An x402 client pays that amount on Base and retries with the payment header.
curl -i "https://assay.agentdiet.dev/v1/certify"About this API
Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier is listed in the Verification category with pricing at $0.005 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-11-06. View receipt on Basescan.
Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.
This API exposes 1 endpoint.
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Questions about this API
What does Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier do?
Autonomous A2A v0.3.0, MCP Streamable HTTP, and x402 Security Observatory computing deterministic TDQS trust grades, prompt-injection audits, and cryptographic execution receipts. It is provided by Roberto Yanguas.
How much does Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier cost?
Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier is priced at $0.005 USDC per request, paid per call with no subscription. Verified with a $0.005 test payment on 6 Nov 2026. The exact amount for each call is in the HTTP 402 response before any money moves.
Do I need an API key or account to use Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier?
No. Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier uses the x402 protocol, so an agent pays per request in USDC on Base and gets the response, with no API key, account or signup.
Has Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier been verified?
Yes, 1 route. PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC settlement on-chain, most recently on 2026-11-06.
How does an AI agent find Assay — A2A & MCP Pre-Flight Security Observatory & TDQS Certifier?
Through the free PayAPI Market MCP server at https://payapi.market/mcp, using search_apis or get_api, or over plain HTTP at https://payapi.market/agent/search. Discovery is free; the agent pays the provider directly on the listing's own 402.
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