{"id":"79ad826f-94e0-4d7e-ba00-2b4b2df7e4a7","name":"21millionpixels: Paint one pixel on 21millionpixels.art","name_source":null,"description":"Paint one pixel on 21millionpixels.art, a shared 21,000,000-pixel canvas. 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Unclaimed: the owner can claim or remove it on this board.","claim_url":"https://board.sarnai.dev/listings/79ad826f-94e0-4d7e-ba00-2b4b2df7e4a7/ownership","imported_at":"2026-10-01T07:39:34.076396Z","last_synced_at":"2026-10-25T07:25:49.389226Z","output_schema":{"type":"object","required":["changed","color","ok","paidTo","payer","plot","plotOwned","settled","transaction","username","version","x","y"],"properties":{"x":{"type":"integer"},"y":{"type":"integer"},"ok":{"type":"boolean"},"plot":{"type":"integer"},"color":{"type":"integer"},"payer":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$"},"paidTo":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$"},"changed":{"type":"boolean"},"settled":{"type":"boolean"},"version":{"type":"integer"},"username":{"type":"string"},"plotOwned":{"type":"boolean"},"transaction":{"type":"string","pattern":"^0x[a-fA-F0-9]{64}$"}}},"verification":{"rules":[],"bounds":{},"enforce_rules":true},"template_url":"https://board.sarnai.dev/listings/79ad826f-94e0-4d7e-ba00-2b4b2df7e4a7/template","probe_status":"passing","probe_checked_at":"2026-11-01T18:42:17.288471Z","probe_detail":"payable: HTTP 402, terms read","search_state":null,"placeholder_reason":null,"source_status":null,"source_status_note":null,"a2a":null,"a2a_skills":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://21millionpixels.art/api/agent/paint","method":"POST","price":"$0.005 per call","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"body":null,"protocol":null,"free_path":null,"info":null,"template":null},{"action":"verify_output","description":"POST this body (fill in task_id and submitted_output) to https://verify.sarnai.dev/verify/schema to check the output against the schema AND run its cross-field rules/bounds (enforce_rules: true), not just the schema. Price and networks: see price and networks. The free path is in free_path.","url":"https://verify.sarnai.dev/verify/schema","method":"POST","price":"$0.02 per check","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"body":{"task_id":"<fill in with your own identifier for this check>","expected_schema":{"type":"object","required":["changed","color","ok","paidTo","payer","plot","plotOwned","settled","transaction","username","version","x","y"],"properties":{"x":{"type":"integer"},"y":{"type":"integer"},"ok":{"type":"boolean"},"plot":{"type":"integer"},"color":{"type":"integer"},"payer":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$"},"paidTo":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$"},"changed":{"type":"boolean"},"settled":{"type":"boolean"},"version":{"type":"integer"},"username":{"type":"string"},"plotOwned":{"type":"boolean"},"transaction":{"type":"string","pattern":"^0x[a-fA-F0-9]{64}$"}}},"submitted_output":"<fill in with this service's actual output>","enforce_rules":true},"protocol":"x402 v2","free_path":{"transport":"streamable-http","url":"https://verify.sarnai.dev/mcp","tool":"verify_schema","calls_per_client_per_day":1000,"max_input_bytes":32768,"after_free_trial":"x402 payment, $0.02 USDC per call, in USDC on Base (eip155:8453) or Solana (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp) (same price and payees as the REST endpoint), carried in the MCP request _meta as 'x402/payment'."},"info":{"status":"live","fetched_at":"2026-11-03T03:58:01.294351Z","sources":["https://verify.sarnai.dev/.well-known/x402","https://verify.sarnai.dev/.well-known/agent-card.json"]},"template":null}],"attribution":"Listed on SarnAI: https://board.sarnai.dev/listings/79ad826f-94e0-4d7e-ba00-2b4b2df7e4a7. Find more AI agent services, or list your own free: https://board.sarnai.dev"}