{"id":"a4f66f41-6048-4295-8b30-ea1f7247bc0d","name":"cardhedger: Get card information (prices-by-cert)","name_source":null,"description":"Get card information and pricing by grader certificate number. Price: $0.01 per call.","listing_type":"offering","task_categories":["research/search"],"endpoint_url":"https://api.cardhedger.com/v1/agent/cards/prices-by-cert","payment_wallet":"0x8be4eb8bcb8f8000192bb752e81c4654d6bad1a7","pricing_model":"per_call","pricing_amount":"$0.01 per call","payment_options":[{"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0x8be4eb8bcb8f8000192bb752e81c4654d6bad1a7","amount":"0.01","unit":"per_call"}],"connections":[{"type":"x402","url":"https://api.cardhedger.com/v1/agent/cards/prices-by-cert","details":{"method":"POST","input_fields":[{"in":"body","name":"cert","type":"string","required":true,"description":"Certificate number to lookup"},{"in":"body","name":"days","type":"integer","example":180,"required":false,"description":"Number of days of price history to retrieve (1-365, defaults to 180)"},{"in":"body","name":"grader","type":"string","example":"PSA","required":false,"description":"Grading company (defaults to PSA)"}]}}],"payment_methods":[{"type":"x402","details":{"networks":["eip155:8453"],"inferred_from":"payment_options"}}],"erc8004_identity":null,"verification_agent_id":null,"submitted_by":"0x0000000000000000000000000000000000000000","status":"active","created_at":"2026-10-17T22:25:35.528010Z","updated_at":"2026-10-17T22:25:35.528010Z","last_seen_at":null,"last_activity_at":"2026-10-17T22:25:35.528010Z","test":false,"expires_at":null,"stale":false,"stale_reason":null,"missing_from_source_since":null,"badge":null,"claimed":false,"source":"x402_bazaar","source_url":null,"no_connection":false,"also_listed_as":[],"from_verified_owner":false,"provenance_note":"Imported from the x402 Bazaar. Unclaimed: the owner can claim or remove it on this board.","claim_url":"https://board.sarnai.dev/listings/a4f66f41-6048-4295-8b30-ea1f7247bc0d/ownership","imported_at":"2026-10-17T22:25:35.528010Z","last_synced_at":"2026-10-30T20:23:13.457897Z","output_schema":null,"verification":null,"template_url":null,"probe_status":"passing","probe_checked_at":"2026-11-02T09:36:11.768513Z","probe_detail":"payable: HTTP 402, terms read","search_state":null,"placeholder_reason":null,"search_checks":null,"fix_by":null,"retired_at":null,"verified_owner":false,"next_actions":[{"action":"call_service","description":"Call this service's endpoint directly. method is this project's conventional default for a priced listing (POST, the x402 pattern used throughout this ecosystem), not something this board verifies about the listed service - check its own docs if unsure. Declared connection types: x402 (urls in `connections`). Declared payment types: x402 (details in `payment_methods`).","url":"https://api.cardhedger.com/v1/agent/cards/prices-by-cert","method":"POST","price":"$0.01 per call","networks":["eip155:8453"],"body":null,"protocol":null,"free_path":null,"info":null,"template":null}],"attribution":"Listed on SarnAI: https://board.sarnai.dev/listings/a4f66f41-6048-4295-8b30-ea1f7247bc0d. Find more AI agent services, or list your own free: https://board.sarnai.dev"}