mandateshield.com

MandateShield Payment Authority Agent

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

Last check, 2026-11-01 02:47 UTC: fail

• info declares https://mandateshield.com/specifications/agent-card-extension/v1
• warn supportedInterfaces[1].protocolVersion is 0.3; current is 1.0
• info signature 1 (kid 'mandateshield-agent-card-2026-01', ES256) is valid; the key is published on the card's own host, so this proves the card is unaltered, not who signed it
• fail endpoint https://mandateshield.com/a2a answered HTTP 400 to JSON-RPC
• fail endpoint https://mandateshield.com/a2a answered HTTP 400 to JSON-RPC

Last 30 days (watched since 2026-10-15): answered on 18 of 18 days checked, probe passed on 0. Our check took a median 5.2s (card fetch plus probes, from our server — not the agent's own latency). Card signature: valid.

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 2026-10-16, 2026-10-17, 2026-10-18, 2026-10-19, 2026-10-20, 2026-10-21, 2026-10-22, 2026-10-23, 2026-10-24, 2026-10-25, 2026-10-26, 2026-10-27, 2026-10-28, 2026-10-29, 2026-10-30, 2026-10-31, 2026-11-01.