{"url":"https://a2a-retailmedia.ai/handoff/de/kaufhaus-ahrens","asOf":"2026-10-04T18:18:29Z","kind":"agent-card","name":"Kaufhaus Ahrens — retail media","claim":"https://a2a-retailmedia.ai/agents/de/kaufhaus-ahrens","notice":"Artificial intelligence makes mistakes. A2A Retailmedia is an agentic information source, not a recommendation. No ads, ever. No rank for sale. Trade only.","record":{"sells":"none listed","banner":"Kaufhaus Ahrens","market":"DE","source":{},"operator":"none listed","banner_id":"DE/kaufhaus-ahrens","card_status":"unclaimed","program_url":"none listed","media_program":"none listed"},"skills":[{"id":"referral","name":"referral","tags":["retail-media","referral"],"inputModes":["application/json"],"description":"Refers a maker's agent to this banner's public media program page, or to a person where no program is listed.","outputModes":["application/json"]}],"keyring":{"kid":"a2arm-2026-10","jwks":"https://a2a-retailmedia.ai/.well-known/jwks.json"},"version":"1.0.0","provider":{"url":"https://gsc-em.com","organization":"GreenCore Solutions Corp."},"signatures":[{"protected":"eyJhbGciOiJFZERTQSIsImtpZCI6ImEyYXJtLTIwMjYtMTAifQ","signature":"n93-h9eaF-auVq9PWGFF93rNyfMHuL1Sv1sjZlj07upbjeQWxuiPlvJ6RfRaF9kodP_WmfZLcoAG6bRm-_naCA"}],"description":"No public program listed. Claim this card to open one.","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"protocolVersion":"0.3.0","documentationUrl":"https://a2a-retailmedia.ai/agents/de/kaufhaus-ahrens","defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"preferredTransport":"JSONRPC"}