crosscheckapi.com

crosscheck

Card: https://crosscheckapi.com/.well-known/agent-card.json
Watched since 2026-10-15, listed by a2aregistry.org.

Last check, 2026-11-01 02:43 UTC: warn

• warn looks like an A2A 0.3 card (top-level url, preferredTransport, protocolVersion); v1.0 lists endpoints in 'supportedInterfaces'
• info declares https://github.com/google-agentic-commerce/a2a-x402/blob/main/spec/v0.2
• warn supportedInterfaces[1].protocolVersion is 0.3; current is 1.0
• info endpoint https://crosscheckapi.com/a2a answers JSON-RPC and reports an unknown task correctly (-32001)
• info endpoint https://crosscheckapi.com/a2a answers JSON-RPC and reports an unknown task correctly (-32001)

Last 30 days (watched since 2026-10-15): answered on 18 of 18 days checked, probe passed on 18. Our check took a median 2.1s (card fetch plus probes, from our server — not the agent's own latency). Card signature: none.

Daily history, last 90 days

One mark per day we checked: green probe passed, amber card answered, red did not answer. Days without a check are not shown.

The card's content changed on 2026-10-25.