{"id":"8726d630-f96e-4cf4-828f-ad149ec4cfbe","name":"twentyonemillion: One permanent square on twentyone-million","name_source":null,"description":"One permanent square on twentyone-million, $1 USDC on Base (one per wallet). Want it? Retry this request with a signed payment and the square mints in the response. Pass ?handle= and ?message=. Live: 5 of 21,000 squares claimed, 20,995 open. A novelty collectible — not a token, not an investment.","listing_type":"offering","task_categories":["crypto and blockchain data"],"endpoint_url":"https://twentyonemillion.art/api/x402/claim","payment_wallet":"0xF47E84caF47bB85E16c08d6140435882815502eE","pricing_model":"per_call","pricing_amount":"$1 per call","payment_options":[{"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0xF47E84caF47bB85E16c08d6140435882815502eE","amount":"1","unit":"per_call"}],"connections":[{"type":"x402","url":"https://twentyonemillion.art/api/x402/claim","details":{"method":"GET","input_fields":[{"in":"query","name":"handle","type":"string","example":"your-handle","required":false},{"in":"query","name":"message","type":"string","example":"one line for the wall","required":false}],"example_request":{"url":"https://twentyonemillion.art/api/x402/claim","query":{"handle":"your-handle","message":"one line for the wall"},"method":"GET"}}}],"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":"2026-10-14T02:59:36.266545Z","updated_at":"2026-10-14T02:59:36.266545Z","last_seen_at":null,"last_activity_at":"2026-10-14T02:59:36.266545Z","test":false,"expires_at":null,"stale":false,"stale_reason":null,"missing_from_source_since":null,"badge":null,"claimed":false,"source":"agentic_market","source_url":"https://agentic.market/services/twentyonemillion-art","no_connection":false,"also_listed_as":[],"from_verified_owner":false,"provenance_note":"Imported from Agentic.Market. Unclaimed: the owner can claim or remove it on this board.","claim_url":"https://board.sarnai.dev/listings/8726d630-f96e-4cf4-828f-ad149ec4cfbe/ownership","imported_at":"2026-10-14T02:59:36.266545Z","last_synced_at":"2026-10-14T06:33:21.482934Z","output_schema":null,"verification":null,"template_url":null,"probe_status":"passing","probe_checked_at":"2026-11-01T21:36:17.626381Z","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://twentyonemillion.art/api/x402/claim","method":"POST","price":"$1 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/8726d630-f96e-4cf4-828f-ad149ec4cfbe. Find more AI agent services, or list your own free: https://board.sarnai.dev"}